Free and Open Databases Directory
Welcome to TheDatabaseSearch’s Free and Open Databases Directory — a curated collection of publicly accessible and freely available databases from around the world. Each source listed here is open to everyone and can be used without payment or registration.
If you notice a broken link, outdated information, or any error, please let us know at info [at] thedatabasesearch [dot] com. Your feedback helps us keep this directory accurate and useful for everyone.
You can search and filter through these databases by category, country, or state — from business registries and financial datasets to scientific, health, and ESG resources. Each listing includes both an official source and a detailed guide for deeper exploration.
Last update: November 1, 2025
This directory is for informational purposes only. All databases listed are publicly available and free to access. Please verify details on the original source before use. TheDatabaseSearch editors make no warranty regarding the completeness or timeliness of the data.
| Database name | Category | Region/Country | State | Description | Guide URL | Offical URL |
|---|---|---|---|---|---|---|
| African Plant Database | Science | Africa | A botanical database cataloging African plant species taxonomy and distribution data. | https://thedatabasesearch.com/science-databases/african-plant-database/ | https://africanplantdatabase.ch/en | |
| Alabama Business Entity Search | Company | USA | Alabama | The Alabama Secretary of State’s search portal for registered business entities and filings. | https://thedatabasesearch.com/company-databases/alabama-business-entity-search/ | https://arc-sos.state.al.us/CGI/corpname.mbr/input |
| Alaska Business Entity Search | Company | USA | Alaska | The Alaska Division of Corporations’ official registry for businesses and professional licenses. | https://thedatabasesearch.com/company-databases/alaska-business-entity-search/ | https://www.commerce.alaska.gov/cbp/main/search/entities |
| Alaska Deed Search | Real Estate | USA | Alaska | Alaska’s public land records and deed registry for property ownership verification. | https://thedatabasesearch.com/real-estate-databases/alaska-deed-search/ | https://dnr.alaska.gov/ssd/recoff/search |
| Allentown Crime Database | Legal | USA | Pennsylvania | The City of Allentown’s official portal for public crime incident and arrest data. | https://thedatabasesearch.com/legal-databases/allentown-crime-database/ | https://www.neighborhoodscout.com/pa/allentown/crime |
| Arab Public Data Database | Science | Global | A regional data hub aggregating publicly available statistics and datasets from Arab countries. | https://thedatabasesearch.com/science-databases/arab-public-data-database/ | https://dataverse.theacss.org/ | |
| Arizona Business Entity Search | Company | USA | Arizona | Arizona Corporation Commission’s public business registration and document search system. | https://thedatabasesearch.com/company-databases/arizona-business-entity-search/ | https://ecorp.azcc.gov/entitysearch/index |
| Arizona Elder Abuse Registry | Health | USA | Arizona | Arizona’s public registry listing substantiated elder abuse cases maintained by the Attorney General’s Office. | https://thedatabasesearch.com/health-databases/arizona-elder-abuse-registry/ | https://www.azag.gov/issues/elder-affairs/elder-abuse-registry |
| Arkansas Business Entity Search | Company | USA | Arkansas | Arkansas Secretary of State’s search platform for corporate and LLC records. | https://thedatabasesearch.com/company-databases/arkansas-business-entity-search/ | https://www.ark.org/corp-search/index.php?fullsite |
| AWI Refinement Database | Science | Global | A scientific database providing humane research and welfare refinement techniques for laboratory animals. | https://thedatabasesearch.com/science-databases/awi-refinement-database/ | https://refinementdatabase.org/ | |
| AZ Care Check | Health | USA | Arizona | Arizona’s official database for checking licensed healthcare providers and facility compliance records. | https://thedatabasesearch.com/health-databases/how-to-use-az-care-check/ | https://azcarecheck.azdhs.gov/s/ |
| Bird Habitat Database | ESG | USA | Federal | A U.S. Fish and Wildlife Service resource tracking avian habitat conservation and protection areas. | https://thedatabasesearch.com/esg-databases/bird-habitat-database/ | https://abcbirds.org/habitats-watchlist/ |
| BOLD Systems | ESG | Global | The Barcode of Life Data System providing DNA barcode records for global species identification. | https://thedatabasesearch.com/esg-databases/bold-systems/ | https://boldsystems.org/ | |
| BRIDGE Interactive Database | Health | USA | Louisiana | Louisiana’s behavioral health data hub linking community outcomes with service availability. | https://thedatabasesearch.com/health-databases/bridge-interactive-database/ | https://www.xula.edu/bridge/index.html |
| California Business Entity Search | Company | USA | California | California Secretary of State’s registry of corporations, LLCs, and partnerships. | https://thedatabasesearch.com/company-databases/california-business-entity-search/ | https://bizfileonline.sos.ca.gov/search/business |
| California Law Enforcement Accountability Network | Legal | USA | California | A California database tracking police disciplinary actions, certifications, and accountability reports. | https://thedatabasesearch.com/legal-databases/california-law-enforcement-accountability-network/ | https://clean.calmatters.org/ |
| California School Vaccinations Database | Health | USA | California | California’s database showing vaccination rates and exemption data for public and private schools. | https://thedatabasesearch.com/health-databases/california-school-vaccinations-database/ | https://vax.edsource.org/ |
| Canada Adverse Reaction Database | Health | Canada | Health Canada’s official database recording and publishing reports of adverse drug reactions. | https://thedatabasesearch.com/health-databases/canada-adverse-reaction-database/ | https://www.canada.ca/en/health-canada/services/drugs-health-products/medeffect-canada/adverse-reaction-database.html | |
| Care Compare Exposed | Health | USA | Federal | A CMS transparency tool comparing nursing home and hospital performance ratings in the U.S. | https://thedatabasesearch.com/health-databases/care-compare/ | https://www.medicare.gov/care-compare/ |
| CDC WONDER Database | Health | USA | Federal | CDC’s data portal providing epidemiological and public health statistics for research and policy. | https://thedatabasesearch.com/health-databases/cdc-wonder-database/ | https://wonder.cdc.gov/controller/datarequest?stage=search&action=current |
| CFPB Complaint Database | Finance | USA | Federal | A consumer-focused database showing complaint trends against financial institutions regulated by the CFPB. | https://thedatabasesearch.com/finance-databases/cfpb-complaint-database/ | https://www.consumerfinance.gov/data-research/consumer-complaints/ |
| Chemical Contaminants Transparency Tool | Health | USA | Federal | A federal database tracking harmful chemical contaminants across consumer products and the environment. | https://thedatabasesearch.com/health-databases/chemical-contaminants-transparency-tool/ | https://hfpappexternal.fda.gov/scripts/fdcc/index.cfm?set=contaminant-levels |
| China Biographical Database | Science | China | A collaborative digital archive of biographical data on historical Chinese figures across dynasties. | https://thedatabasesearch.com/science-databases/china-biographical-database/ | https://cbdb.hsites.harvard.edu/ | |
| Chordata Olfactory Receptor Database | Science | Global | A scientific dataset cataloging olfactory receptor genes across chordate species for comparative genomics. | https://thedatabasesearch.com/science-databases/chordata-olfactory-receptor-database/ | https://cord.ihuman.shanghaitech.edu.cn/home | |
| Classical Schools Database | Education | USA | Federal | A directory of classical education institutions emphasizing liberal arts and traditional curricula. | https://thedatabasesearch.com/education-databases/classical-schools-database/ | https://classicalschools.heritage.org/ |
| Clean Energy Materials Platform | ESG | USA | Federal | A U.S. Department of Energy platform for discovering materials supporting clean energy technologies. | https://thedatabasesearch.com/esg-databases/clean-energy-materials-platform/ | https://cleanenergymaterials.cpolar.top/ |
| Clinical Drug Experience Knowledgebase | Health | USA | Federal | FDA’s database summarizing drug performance, safety, and post-marketing experience data. | https://thedatabasesearch.com/health-databases/clinical-drug-experience-knowledgebase/ | https://cdek.pharmacy.purdue.edu/api/ |
| Clinical Trial Database Revolution | Health | Global | A directory of global clinical trial registries improving transparency in biomedical research. | https://thedatabasesearch.com/health-databases/clinical-trial-databases-guide/ | N/A | |
| CLUE Database | Finance | USA | Federal | A U.S. insurance database tracking consumer claim histories and loss reports maintained by LexisNexis. | https://thedatabasesearch.com/finance-databases/clue-database/ | https://www.consumerfinance.gov/consumer-tools/credit-reports-and-scores/consumer-reporting-companies/companies-list/comprehensive-loss-underwriting-exchange/ |
| Coatings Ingredients Database | Industry | Global | A materials science database listing coating and paint formulation ingredients with safety data. | https://thedatabasesearch.com/industry-databases/coatings-ingredients-database/ | https://www.specialchem.com/coatings | |
| Coffee Sustainability Support Database | ESG | Global | A global directory tracking coffee industry sustainability initiatives and verified support programs. | https://thedatabasesearch.com/esg-databases/coffee-sustainability-support-database/ | https://c2sd.ico.org/ | |
| Colorado Business Entity Search | Company | USA | Colorado | The Colorado Secretary of State’s online registry for businesses and trade names. | https://thedatabasesearch.com/company-databases/colorado-business-entity-search/ | https://www.sos.state.co.us/biz/BusinessEntityCriteriaExt.do |
| Colorado Forest Tracker | ESG | USA | Colorado | Colorado’s public GIS dashboard tracking wildfire recovery, forest health, and land restoration. | https://thedatabasesearch.com/esg-databases/colorado-forest-tracker/ | https://experience.arcgis.com/experience/7eac80a824a64d77864e3e0948ff4f1e |
| Connecticut Business Entity Search | Company | USA | Connecticut | Connecticut’s public portal for checking business registration and annual report filings. | https://thedatabasesearch.com/company-databases/connecticut-business-entity-search/ | https://service.ct.gov/business/s/onlinebusinesssearch?language=en_US |
| Connecticut Traffic Stop Database | Legal | USA | Connecticut | A statewide database documenting police traffic stops for transparency and bias monitoring. | https://thedatabasesearch.com/legal-databases/connecticut-traffic-stop-database/ | https://portal.ct.gov/despp/despp-press-releases/2025/07-18-2025 |
| Constitution Building Database | Legal | Global | An international repository documenting constitution-building processes in fragile and post-conflict states. | https://thedatabasesearch.com/legal-databases/database-on-constitution-building-processes-in-fragile-settings/ | https://constitutionnet.org/tools/item/database-constitution-building-processes-fragile-settings | |
| Consumer Insurance Search | Finance | USA | Federal | NAIC’s official tool to verify insurance company licensing, financial condition, and regulatory history. | https://thedatabasesearch.com/finance-databases/consumer-insurance-search/ | https://content.naic.org/cis_consumer_information.htm |
| Cryptocurrency Scammer List | Finance | USA | Federal | A registry of reported cryptocurrency scams, wallet addresses, and fraudulent exchange operations. | https://thedatabasesearch.com/finance-databases/cryptocurrency-scammer-list/ | https://dfpi.ca.gov/consumers/crypto/crypto-scam-tracker/ |
| CVE Database | Industry | Global | MITRE’s global catalog of cybersecurity vulnerabilities identified across software and hardware systems. | https://thedatabasesearch.com/industry-databases/cve-database/ | https://www.cve.org/ | |
| Database of Etna’s Historical Eruptions (DANTE) | Science | Italy | A scientific catalog of Mount Etna’s eruptions from 1600 B.C. to present, curated by Italian geoscientists. | https://thedatabasesearch.com/science-databases/etna-eruption-history-database/ | https://thedatabasesearch.com/science-databases/etna-eruption-history-database/ | |
| DC Property Records | Real Estate | USA | Washington | Washington, D.C.’s official land and property records database maintained by the Office of Tax and Revenue. | https://thedatabasesearch.com/real-estate-databases/dc-property-records/ | https://otr.cfo.dc.gov/page/real-property-tax-database-search |
| DC Rent Control Database | Real Estate | USA | Washington | A public lookup tool for Washington, D.C. rent-controlled properties and landlord registrations. | https://thedatabasesearch.com/real-estate-databases/dc-rent-control-database/ | https://rentregistry.dc.gov/ |
| Delaware Business Entity Search | Company | USA | Delaware | Delaware Division of Corporations’ authoritative corporate registry and entity lookup. | https://thedatabasesearch.com/company-databases/delaware-business-entity-search/ | https://icis.corp.delaware.gov/ecorp/entitysearch/namesearch.aspx |
| Digital Trade Regulatory Readiness Database | Legal | Global | A cross-country dataset assessing legal and regulatory preparedness for digital trade. | https://thedatabasesearch.com/legal-databases/digital-trade-regulatory-readiness-database/ | https://www.worldbank.org/en/data/interactive/2025/09/10/digital-trade-regulatory-readiness-dtrr-database | |
| EDGAR Database | Finance | USA | Federal | The SEC’s public database providing free access to corporate financial filings in the United States. | https://thedatabasesearch.com/finance-databases/edgar-database/ | https://www.sec.gov/search-filings |
| EPA Guidance Database | ESG | USA | Federal | The U.S. Environmental Protection Agency’s repository for regulatory guidance and policy documents. | https://thedatabasesearch.com/esg-databases/epa-guidance-database/ | https://www.epa.gov/guidance |
| Equifax Breach Settlement Database | Legal | USA | Federal | A public database tracking compensation eligibility under the Equifax data breach settlement. | https://thedatabasesearch.com/legal-databases/equifax-settlement-database-guide/ | https://www.equifaxbreachsettlement.com/ |
| Fannie Mae AMI Lookup Tool | Finance | USA | Federal | A public lookup tool showing area median income (AMI) thresholds used for mortgage eligibility. | https://thedatabasesearch.com/finance-databases/fannie-mae-ami-lookup-tool/ | https://ami-lookup-tool.fanniemae.com/ |
| FDA 510 (k) Database Insights | Health | USA | Federal | The FDA’s database for medical device premarket notifications cleared under section 510(k). | https://thedatabasesearch.com/health-databases/fda-510k-database-guide/ | https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm |
| FDA Complete Response Letter Database | Health | USA | Federal | A repository of FDA communications summarizing regulatory decisions on new drug applications. | https://thedatabasesearch.com/health-databases/fda-complete-response-letter-database/ | https://open.fda.gov/apis/other/approved_CRLs |
| FDIC Databases | Finance | USA | Federal | Public databases from the Federal Deposit Insurance Corporation on bank performance, insurance, and financial stability. | https://thedatabasesearch.com/finance-databases/how-to-use-fdic-databases/ | https://www.fdic.gov/resources/data-tools |
| FERC Data | Industry | USA | Federal | The Federal Energy Regulatory Commission’s open data platform on energy markets and regulatory filings. | https://thedatabasesearch.com/industry-databases/ferc-data/ | https://data.ferc.gov/ |
| Find Your Old 401(k) Online Databases | Finance | USA | Federal | A set of online tools that help individuals locate unclaimed or inactive retirement accounts. | https://thedatabasesearch.com/finance-databases/find-your-old-401-k/ | https://www.unclaimedretirementbenefits.com/ |
| Florida Business Entity Search | Company | USA | Florida | Florida Department of State’s Sunbiz registry for corporations and limited liability companies. | https://thedatabasesearch.com/company-databases/florida-business-entity-search/ | https://dos.fl.gov/sunbiz/search/ |
| FRA Safety Database | Industry | USA | Federal | The Federal Railroad Administration’s database on railway safety incidents and regulatory compliance. | https://thedatabasesearch.com/industry-databases/fra-safety-database/ | https://data.transportation.gov/stories/s/FRA-Safety-Data/dakf-i7zd |
| FRED Database | Finance | USA | Federal | The Federal Reserve Bank of St. Louis’ database offering economic and financial time series data. | https://thedatabasesearch.com/finance-databases/what-is-the-fred-database/ | https://fred.stlouisfed.org/ |
| Free ERISA | Finance | USA | Federal | An online database providing access to employee benefit plan filings under the Employee Retirement Income Security Act. | https://thedatabasesearch.com/finance-databases/how-to-use-free-erisa/ | https://freeerisa.benefitspro.com/ |
| Free Investors Database | Finance | Global | A global list of verified investors and venture capital contacts for fundraising and deal sourcing. | https://thedatabasesearch.com/finance-databases/free-investors-database/ | N/A | |
| Georgia Business Entity Search | Company | USA | Georgia | The Georgia Corporations Division’s search service for registered business entities. | https://thedatabasesearch.com/company-databases/georgia-business-entity-search/ | https://ecorp.sos.ga.gov/businesssearch |
| Georgia Enslaved People Database | Science | USA | Georgia | A digital archive documenting enslaved individuals in Georgia through historic census and property data. | https://thedatabasesearch.com/science-databases/georgia-enslaved-people-database/ | https://thedatabasesearch.com/science-databases/georgia-enslaved-people-database-guide/ |
| Getty Deaccessioned Artworks Database | Science | USA | Federal | Getty’s catalog of artworks removed from collections, tracking provenance and ownership transparency. | https://thedatabasesearch.com/science-databases/getty-deaccessioned-artworks-database/ | https://www.getty.edu/art/collection/ |
| Global Agricultural R&D Database | Science | Global | A global dataset compiling agricultural research projects, funding, and innovation metrics. | https://thedatabasesearch.com/science-databases/global-agricultural-rd-database/ | https://thedatabasesearch.com/science-databases/global-agricultural-rd-database/ | |
| Global Data Center Database | Industry | Global | A comprehensive listing of active data centers worldwide with details on infrastructure and capacity. | https://thedatabasesearch.com/industry-databases/global-data-center-database/ | https://thedatabasesearch.com/industry-databases/global-data-center-database/ | |
| GlobalFungi Database | ESG | Global | A global ecological database mapping fungal diversity through DNA-based environmental samples. | https://thedatabasesearch.com/esg-databases/globalfungi-database/ | https://globalamfungi.com/ | |
| GRETA Human Trafficking Database | Legal | Global | The Council of Europe’s GRETA database documenting human trafficking cases and country compliance reports. | https://thedatabasesearch.com/legal-databases/greta-human-trafficking-database/ | https://hudoc.greta.coe.int/www.needurl.int#%22sort%22:%5B%22gretapublicationdate%20descending,gretalanguage%20ascending,gretasectionnumber%20ascending%22%5D | |
| H1B Database | Finance | USA | Federal | A searchable dataset of U.S. employer filings for H-1B visa sponsorships, salaries, and job categories. | https://thedatabasesearch.com/finance-databases/h1b-database/ | https://www.uscis.gov/tools/reports-and-studies/immigration-and-citizenship-data |
| Hawaii Business Entity Search | Company | USA | Hawaii | The Hawaii Department of Commerce and Consumer Affairs’ business registration database. | https://thedatabasesearch.com/company-databases/hawaii-business-entity-search/ | https://hbe.ehawaii.gov/documents/search.html |
| Hawaii Public Art Collection Database | Education | USA | Hawaii | A searchable archive of public artworks commissioned and maintained by the Hawaii State Foundation on Culture and the Arts. | https://thedatabasesearch.com/education-databases/hawaii-public-art-collection-database/ | https://hsfca-ais.axiellhosting.com/search/simple |
| High-Reynolds-Number Turbulence Database | Science | Global | A physics research resource containing simulation data on high-Reynolds-number turbulence flows. | https://thedatabasesearch.com/science-databases/high-reynolds-number-turbulence-database/ | https://aeroflowdata.nwpu.edu.cn/ | |
| Hot Air Tool | ESG | Global | The Hot Air Tool is a publicly available platform tracking online climate-misinformation and sharing activity data from over 300 organizations and individuals. | https://thedatabasesearch.com/esg-databases/hot-air-tool/ | https://www.tortoisemedia.com/hot-air-explore-tool | |
| HPUD Snapshot Tool | Health | USA | Alaska | Alaska’s public dashboard comparing healthcare utilization, cost, and regional access metrics. | https://thedatabasesearch.com/health-databases/hpud-snapshot-tool/ | https://public.tableau.com/app/profile/onpointhealthdata/viz/HPUDSnapshot-Alaska/DataOverview |
| HUD Databases | Finance | USA | Federal | The U.S. Department of Housing and Urban Development’s open data sources on affordable housing and community programs. | https://thedatabasesearch.com/real-estate-databases/how-to-use-hud-databases-for-affordable-housing/ | https://www.huduser.gov/portal/home.html |
| Hydropower Technology Catalog | Industry | USA | Federal | A reference of U.S. hydropower innovations, efficiency metrics, and technology case studies. | https://thedatabasesearch.com/industry-databases/hydropower-technology-catalog/ | https://hydrotech.inl.gov/ |
| Idaho Secretary of State Business Search | Company | USA | Idaho | Idaho’s official registry for corporate filings and registered business entities. | https://thedatabasesearch.com/company-databases/idaho-secretary-of-state-business-search/ | https://sosbiz.idaho.gov/search/business |
| Illinois Business Entity Search | Company | USA | Illinois | Illinois Secretary of State’s searchable corporate and LLC registration database. | https://thedatabasesearch.com/company-databases/illinois-business-entity-search/ | https://apps.ilsos.gov/businessentitysearch/ |
| Illinois Salary Database | Finance | USA | Illinois | A searchable public dataset of Illinois government employee compensation and transparency records. | https://thedatabasesearch.com/finance-databases/illinois-salary-database/ | https://illinoiscomptroller.gov/ |
| Indiana Business Entity Search | Company | USA | Indiana | Indiana’s state-run portal for business registration and corporate record lookup. | https://thedatabasesearch.com/company-databases/indiana-business-entity-search/ | https://bsd.sos.in.gov/PublicBusinessSearch |
| International Climate Finance Database | ESG | Global | A global inventory of climate finance flows, public investments, and green funding mechanisms. | https://thedatabasesearch.com/esg-databases/international-climate-finance-database/ | https://thedatabasesearch.com/esg-databases/international-climate-finance-database/ | |
| Iowa Business Entity Search | Company | USA | Iowa | Iowa Secretary of State’s registry providing public access to business and nonprofit records. | https://thedatabasesearch.com/company-databases/iowa-business-entity-search/ | https://sos.iowa.gov/search/business/search.aspx |
| Iridovirus Comprehensive Database | Science | Global | A genomic and taxonomic database aggregating information on iridoviruses infecting aquatic species. | https://thedatabasesearch.com/science-databases/iridovirus-comprehensive-database/ | https://www.iridovirus.com/index.html | |
| IRS Database | Finance | USA | Federal | The U.S. Internal Revenue Service’s repository for tax statistics, exempt organizations, and public financial data. | https://thedatabasesearch.com/finance-databases/irs-database/ | https://apps.irs.gov/app/eos/ |
| Israel National Archaeological Database | Science | Israel | Israel’s national repository of archaeological sites, excavations, and artifacts managed by the IAA. | https://thedatabasesearch.com/science-databases/israel-national-archaeological-database/ | https://discover.iaa.org.il/ | |
| Kansas Business Entity Search | Company | USA | Kansas | The Kansas Secretary of State’s online system for verifying registered business entities and filings. | https://thedatabasesearch.com/company-databases/kansas-business-entity-search/ | https://www.sos.ks.gov/eforms/BusinessEntity/Search.aspx |
| Kentucky Business Entity Search | Company | USA | Kentucky | Kentucky’s public registry for corporations, LLCs, and nonprofit business entities. | https://thedatabasesearch.com/company-databases/kentucky-business-entity-search/ | https://sosbes.sos.ky.gov/BusSearchNProfile/search.aspx |
| LA Environmental Health Data Dashboard | ESG | USA | California | Los Angeles County’s open dashboard visualizing air, water, and community health indicators. | https://thedatabasesearch.com/esg-databases/la-environmental-health-data-dashboard/ | https://ph-lacounty.hub.arcgis.com/pages/post-fire-assessment-home?utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term= |
| Lake Powell Water Database | ESG | USA | Federal | A resource tracking Lake Powell’s water levels, hydrology, and drought-related environmental indicators. | https://thedatabasesearch.com/esg-databases/lake-powell-water-database/ | https://lakepowell.water-data.com/ |
| Life Insurance Databases | Finance | USA | Federal | Tools for verifying unclaimed or active life insurance policies across state and federal registries. | https://thedatabasesearch.com/finance-databases/how-to-use-life-insurance-databases/ | N/A |
| Localizatome Database | Science | Global | A neuroscience database mapping protein localization patterns across human tissues and organ systems. | https://thedatabasesearch.com/science-databases/localizatome-database/ | https://localizatome.embrys.jp/gene/list?page=1 | |
| Louisiana Business Entity Search | Company | USA | Louisiana | The Louisiana Secretary of State’s public business registry for corporations and trade names. | https://thedatabasesearch.com/company-databases/louisiana-business-entity-search/ | https://coraweb.sos.la.gov/CommercialSearch/CommercialSearch.aspx |
| Maine Business Entity Search | Company | USA | Maine | Maine’s searchable corporate database listing active and dissolved business registrations. | https://thedatabasesearch.com/company-databases/maine-business-entity-search/ | https://apps3.web.maine.gov/nei-sos-icrs/ICRS?MainPage= |
| Marine Organismal Body Size Database | ESG | Global | A global dataset documenting the body size of marine species for biodiversity and climate impact research. | https://thedatabasesearch.com/esg-databases/marine-organismal-body-size-database/ | https://github.com/crmcclain/MOBS_OPEN | |
| Maryland Business Entity Search | Company | USA | Maryland | Maryland’s business entity database maintained by the Department of Assessments and Taxation. | https://thedatabasesearch.com/company-databases/maryland-business-entity-search-what-you-might-be-missing/ | https://egov.maryland.gov/BusinessExpress/EntitySearch |
| Massachusetts Business Entity Search | Company | USA | Massachusetts | The Massachusetts Secretary of the Commonwealth’s online search for registered business entities. | https://thedatabasesearch.com/company-databases/massachusetts-business-entity-search/ | https://corp.sec.state.ma.us/corpweb/CorpSearch/CorpSearch.aspx |
| Medicare Coverage Database | Finance | USA | Federal | CMS’s searchable reference for national and local coverage determinations under Medicare. | https://thedatabasesearch.com/finance-databases/medicare-coverage-database/ | https://www.cms.gov/medicare-coverage-database/search.aspx |
| Medicare Databases | Finance | USA | Federal | A group of CMS resources for analyzing U.S. Medicare coverage, claims, and cost trends. | https://thedatabasesearch.com/health-databases/how-to-use-medicare-databases/ | N/A |
| metagRoot Database | Science | Global | The metagRoot Database catalogs over 71,000 protein families from plant root microbiomes to accelerate microbiome-informed agricultural research. | https://thedatabasesearch.com/science-databases/metagroot-database/ | https://pavlopoulos-lab.org/metagroot/ | |
| Michigan Business Entity Search | Company | USA | Michigan | The Michigan Department of Licensing and Regulatory Affairs’ registry of corporations and LLCs. | https://thedatabasesearch.com/company-databases/michigan-business-entity-search/ | https://mibusinessregistry.lara.state.mi.us/search/business |
| Minnesota Business Entity Search | Company | USA | Minnesota | The Minnesota Secretary of State’s database for corporate and nonprofit registrations. | https://thedatabasesearch.com/company-databases/minnesota-business-entity-search/ | https://mblsportal.sos.mn.gov/Business/Search |
| Mississippi Business Entity Search | Company | USA | Mississippi | Mississippi’s public registry of corporate and LLC filings maintained by the Secretary of State. | https://thedatabasesearch.com/company-databases/mississippi-business-entity-search/ | https://corp.sos.ms.gov/corp/portal/c/page/corpBusinessIdSearch/portal.aspx |
| Mississippi Medicaid Prenatal Care Database | Health | USA | Mississippi | A dataset analyzing prenatal care access and outcomes among Mississippi Medicaid recipients. | https://thedatabasesearch.com/health-databases/mississippi-medicaid-prenatal-care-database/ | https://www.umc.edu/evers-williams/Clinical/cSPARKS.html |
| Missouri Business Entity Search | Company | USA | Missouri | The Missouri Secretary of State’s business registry for corporations and LLCs. | https://thedatabasesearch.com/company-databases/missouri-business-entity-search/ | https://bsd.sos.mo.gov/BusinessEntity/BESearch.aspx?SearchType=0 |
| Molecular Glue Database | Science | Global | A curated scientific database cataloging molecular glues used in targeted protein degradation research. | https://thedatabasesearch.com/science-databases/molecular-glue-database/ | https://www.molgluedb.com/ | |
| Montana Business Entity Search | Company | USA | Montana | Montana’s official database for verifying business registration and filing information. | https://thedatabasesearch.com/company-databases/montana-business-entity-search/ | https://biz.sosmt.gov/search/business |
| NAIC Database | Finance | USA | Federal | The National Association of Insurance Commissioners’ platform for insurer financials, complaints, and regulatory filings. | https://thedatabasesearch.com/finance-databases/naic-database/ | https://content.naic.org/cis_consumer_information.htm |
| Nebraska Business Entity Search | Company | USA | Nebraska | Nebraska’s Secretary of State database for business registrations and annual reports. | https://thedatabasesearch.com/company-databases/nebraska-business-entity-search/ | https://www.nebraska.gov/sos/corp/corpsearch.cgi |
| Nevada Business Entity Search | Company | USA | Nevada | Nevada’s business registry for corporations, LLCs, and partnerships maintained by the Secretary of State. | https://thedatabasesearch.com/company-databases/nevada-business-entity-search/ | https://esos.nv.gov/EntitySearch/OnlineEntitySearch |
| New European Vulnerability Database | Industry | Europa | An EU-wide registry cataloging cybersecurity vulnerabilities and compliance disclosures. | https://thedatabasesearch.com/industry-databases/how-to-use-european-vulnerability-database/ | https://euvd.enisa.europa.eu/ | |
| New Hampshire Business Entity Search | Company | USA | New Hampshire | The New Hampshire Secretary of State’s public business entity lookup tool. | https://thedatabasesearch.com/company-databases/new-hampshire-business-entity-search/ | https://quickstart.sos.nh.gov/online/BusinessInquire |
| New Jersey Business Entity Search | Company | USA | New Jersey | The New Jersey Division of Revenue’s portal for corporate and LLC record searches. | https://thedatabasesearch.com/company-databases/new-jersey-business-entity-search/ | https://www.njportal.com/DOR/businessrecords/EntityDocs/BusinessStatCopies.aspx |
| New Mexico Business Entity Search | Company | USA | New Mexico | The New Mexico Secretary of State’s searchable database for registered business entities. | https://thedatabasesearch.com/company-databases/new-mexico-business-entity-search/ | https://enterprise.sos.nm.gov/search/business |
| New Mexico Prescription Drug Price Comparison | Health | USA | New Mexico | A transparency tool for comparing prescription drug prices across New Mexico pharmacies. | https://thedatabasesearch.com/health-databases/new-mexico-prescription-drug-price-comparison/ | https://apcd.doh.nm.gov/ |
| New York Business Entity Search | Company | USA | New York | The New York Department of State’s business entity database for corporations and partnerships. | https://thedatabasesearch.com/company-databases/new-york-business-entity-search/ | https://apps.dos.ny.gov/publicInquiry/ |
| North Carolina Business Entity Search | Company | USA | North Carolina | North Carolina’s online portal for checking registered business entities and annual filings. | https://thedatabasesearch.com/company-databases/north-carolina-business-entity-search/ | https://www.sosnc.gov/online_services/search/by_title/search_Business_Registration |
| North Dakota Business Entity Search | Company | USA | North Dakota | The North Dakota Secretary of State’s public registry of corporations and trade names. | https://thedatabasesearch.com/company-databases/north-dakota-business-entity-search/ | https://firststop.sos.nd.gov/search/business |
| NPI Database | Finance | USA | Federal | The National Provider Identifier registry listing licensed healthcare providers and their practice information. | https://thedatabasesearch.com/finance-databases/npi-database/ | https://npiregistry.cms.hhs.gov/search |
| NYC311 Monitoring Tool | Legal | USA | New York | A transparency dashboard tracking New York City 311 service requests and issue resolutions. | https://thedatabasesearch.com/legal-databases/nyc311-monitoring-tool/ | https://www.osc.ny.gov/reports/osdc/nyc311-monitoring-tool |
| OECD Global Researcher Career Database | Science | Global | OECD’s international database analyzing researcher mobility, employment trends, and career outcomes. | https://thedatabasesearch.com/science-databases/oecd-global-researcher-career-database/ | https://www.oecd.org/en/networks/research-and-innovation-careers-observatory.html | |
| Ohio Business Entity Search | Company | USA | Ohio | The Ohio Secretary of State’s online registry for business filings and entity status checks. | https://thedatabasesearch.com/company-databases/ohio-business-entity-search/ | https://businesssearch.ohiosos.gov/ |
| Oklahoma Business Entity Search | Company | USA | Oklahoma | The Oklahoma Secretary of State’s portal for registered corporations and business filings. | https://thedatabasesearch.com/company-databases/oklahoma-business-entity-search/ | https://www.sos.ok.gov/corp/corpInquiryFind.aspx |
| OpenNutrition Food Database | Health | Global | A global open-access dataset on packaged foods, nutritional composition, and ingredient transparency. | https://thedatabasesearch.com/health-databases/opennutrition-food-database/ | https://www.opennutrition.app/ | |
| Oregon Business Entity Search | Company | USA | Oregon | Oregon’s public business registry for corporations, LLCs, and partnerships. | https://thedatabasesearch.com/company-databases/oregon-business-entity-search/ | https://egov.sos.state.or.us/br/pkg_web_name_srch_inq.login |
| Organic Integrity Database | Industry | USA | Federal | USDA’s registry tracking certified organic operations across domestic and international markets. | https://thedatabasesearch.com/industry-databases/guide-to-organic-integrity-database/ | https://organic.ams.usda.gov/integrity/ |
| Organic Spectral Database | Science | Japan | Japan’s NIMS SDBS, providing open access to organic compound spectra (IR, NMR, MS). | https://thedatabasesearch.com/science-databases/organic-spectral-database/ | https://sdbs.db.aist.go.jp/ | |
| PennEnviroScreen Database | ESG | USA | Pennsylvania | Pennsylvania’s environmental justice screening tool evaluating pollution, health, and demographic indicators. | https://thedatabasesearch.com/esg-databases/pennenviroscreen-database/ | https://gis.dep.pa.gov/PennEnviroScreen/ |
| Pennsylvania Business Entity Search | Company | USA | Pennsylvania | The Pennsylvania Department of State’s searchable registry for corporations and limited partnerships. | https://thedatabasesearch.com/company-databases/pennsylvania-business-entity-search/ | https://file.dos.pa.gov/search/business |
| Plastic Free Database | ESG | Global | A curated ESG database listing verified plastic-free products, materials, and certifications. | https://thedatabasesearch.com/esg-databases/plastic-free-database/ | https://plasticfree.com/ | |
| Policy Brief Database | Industry | USA | Federal | A searchable resource compiling public health and policy briefs from U.S. academic and research institutions. | https://thedatabasesearch.com/health-databases/how-to-use-policy-brief-database/ | https://www.apha.org/policy-and-advocacy/public-health-policy-briefs/policy-database |
| Public Salary Databases | Finance | USA | Federal | A collective reference to multiple state-level datasets disclosing government employee salaries. | https://thedatabasesearch.com/finance-databases/public-salary-databases/ | N/A |
| PubMed | Health | Global | The U.S. National Library of Medicine’s database of biomedical and life sciences literature. | https://thedatabasesearch.com/health-databases/pubmed/ | https://pubmed.ncbi.nlm.nih.gov/ | |
| Puerto Rico Business Entity Search | Company | USA | Puerto Rico | Puerto Rico’s Department of State registry for corporations, nonprofits, and LLCs. | https://thedatabasesearch.com/company-databases/puerto-rico-business-entity-search/ | https://rcp.estado.pr.gov/es/search/ |
| RI Corporate Database | Company | USA | Rhode Island | The Rhode Island Secretary of State’s business entity search for corporations and registered agents. | https://thedatabasesearch.com/company-databases/ri-corporate-database/ | https://business.sos.ri.gov/CorpWeb/CorpSearch/CorpSearch.aspx |
| RN Database | Finance | USA | Federal | The FTC’s Registered Identification Number database listing textile and apparel businesses in the U.S. | https://thedatabasesearch.com/industry-databases/ftc-rn-database-guide/ | https://rn.ftc.gov/Account/BasicSearch |
| Robocall Mitigation Database | Legal | Global | The FCC’s registry of telecom providers implementing robocall mitigation and caller ID authentication plans. | https://thedatabasesearch.com/legal-databases/robocall-mitigation-database/ | https://fccprod.servicenowservices.com/rmd?id=rmd_welcome | |
| Sandpiper Database | Science | Global | A marine biology resource cataloging sandpiper genomic and ecological data across global habitats. | https://thedatabasesearch.com/science-databases/sandpiper-database/ | https://sandpiper.qut.edu.au/Search | |
| SC Salary Database | Finance | USA | South Carolina | A transparency database listing public employee salaries across South Carolina’s state agencies and schools. | https://thedatabasesearch.com/finance-databases/sc-salary-database/ | https://www.admin.sc.gov/transparency/state-salaries |
| Scholarship Database | Finance | Global | A global directory of scholarships, grants, and fellowships for students and researchers. | https://thedatabasesearch.com/finance-databases/scholarship-database/ | N/A | |
| SEC Statistics and Data Visualizations | Finance | USA | Federal | The U.S. Securities and Exchange Commission’s portal providing financial data dashboards and market analytics. | https://thedatabasesearch.com/finance-databases/sec-statistics-data-visualizations/ | https://www.sec.gov/data-research/statistics-data-visualizations |
| South Carolina Business Entity Search | Company | USA | South Carolina | The South Carolina Secretary of State’s online system for business registration lookup. | https://thedatabasesearch.com/company-databases/south-carolina-business-entity-search/ | https://businessfilings.sc.gov/BusinessFiling/Entity/Search |
| South Dakota Business Entity Search | Company | USA | South Dakota | South Dakota’s public corporate registration and filing lookup tool. | https://thedatabasesearch.com/company-databases/south-dakota-business-entity-search/ | https://sosenterprise.sd.gov/BusinessServices/Business/FilingSearch.aspx |
| Startup Company Database | Finance | Global | A global compilation of startup profiles, investors, and funding activities across various industries. | https://thedatabasesearch.com/finance-databases/startup-company-database/ | N/A | |
| Stolen Car Database | Finance | USA | Federal | A registry of reported stolen vehicles in the United States with VIN-based lookup tools. | https://thedatabasesearch.com/finance-databases/stolen-car-database/ | N/A |
| Stolen Relations Database | Science | USA | Federal | A research database documenting Indigenous histories, family records, and tribal relations in the U.S. | https://thedatabasesearch.com/science-databases/stolen-relations-database/ | https://thedatabasesearch.com/science-databases/stolen-relations-database-guide/ |
| Structural Antibody Database | Science | Global | A curated collection of antibody structures for immunology and therapeutic design research. | https://thedatabasesearch.com/science-databases/structural-antibody-database/ | https://github.com/tommyhuangthu/SAAINT | |
| Student Loan Database | Finance | USA | Federal | A reference to federal resources tracking loan servicers, repayment programs, and borrower data. | https://thedatabasesearch.com/finance-databases/student-loan-database/ | N/A |
| Tennessee Business Entity Search | Company | USA | Tennessee | Tennessee’s business registry for corporations, LLCs, and nonprofits. | https://thedatabasesearch.com/company-databases/tennessee-business-entity-search/ | https://tncab.tnsos.gov/business-entity-search |
| Tennessee Property Search | Real Estate | USA | Tennessee | Tennessee’s statewide portal for real estate ownership and parcel record lookup. | https://thedatabasesearch.com/real-estate-databases/tennessee-property-search/ | https://assessment.cot.tn.gov/tpad/ |
| Texas Business Entity Search | Company | USA | Texas | The Texas Secretary of State’s official database for corporate and business filings. | https://thedatabasesearch.com/company-databases/texas-business-entity-search/ | https://comptroller.texas.gov/taxes/franchise/account-status/search |
| Top 20 Trusted National Criminal Database | Legal | USA | Federal | A guide to verified U.S. criminal record databases used by background screening professionals. | https://thedatabasesearch.com/legal-databases/criminal-database-searches-usa/ | N/A |
| Trains Portal | Industry | Global | The TRAINS Portal is a global one-stop data platform offering users access to trade regulations and non-tariff measures across countries. | https://thedatabasesearch.com/industry-databases/trains-portal/ | https://trainsonline.unctad.org/home | |
| TravelingWiki Airport Database | Industry | USA | Federal | An aviation database cataloging airport codes, facilities, and flight operations globally. | https://thedatabasesearch.com/industry-databases/travelingwiki-airport-database/ | https://thedatabasesearch.com/esg-databases/travelingwiki-airport-database/ |
| UMaine Available Technologies Database | Industry | USA | Maine | The University of Maine’s database showcasing licensable innovations and research opportunities. | https://thedatabasesearch.com/industry-databases/umaine-available-technologies-database/ | https://umaine.flintbox.com/technologies |
| UNC Salary Database | Finance | USA | North Carolina | A public transparency tool listing salaries of University of North Carolina system employees. | https://thedatabasesearch.com/finance-databases/unc-salary-database/ | https://uncdm.northcarolina.edu/salaries/index.php |
| US DOT Lookup | Finance | USA | Federal | The U.S. Department of Transportation’s carrier lookup tool for safety, compliance, and registration data. | https://thedatabasesearch.com/finance-databases/us-dot-lookup/ | https://safer.fmcsa.dot.gov/CompanySnapshot.aspx |
| USAID Funding Databases | Finance | USA | Federal | USAID’s open data platforms for tracking international development projects, grants, and funding recipients. | https://thedatabasesearch.com/finance-databases/top-usaid-funding-databases/ | https://oig.usaid.gov/ |
| USPTO Trademark Database | Industry | USA | Federal | The U.S. Patent and Trademark Office’s search tool for registered and pending trademarks. | https://thedatabasesearch.com/industry-databases/how-to-search-the-uspto-trademark-database/ | https://www.uspto.gov/trademarks/search |
| Utah Business Entity Search | Company | USA | Utah | Utah’s Division of Corporations registry for active and dissolved business entities. | https://thedatabasesearch.com/company-databases/utah-business-entity-search/ | https://businessregistration.utah.gov/ |
| Vermont Business Entity Search | Company | USA | Vermont | Vermont’s searchable registry for registered business entities and trade names. | https://thedatabasesearch.com/company-databases/vermont-business-entity-search/ | https://bizfilings.vermont.gov/business/businesssearch |
| Virgin Islands Business Entity Search | Company | USA | Virgin Islands | The U.S. Virgin Islands Division of Corporations’ business entity lookup portal. | https://thedatabasesearch.com/company-databases/virgin-islands-business-entity-search/ | https://www.corporationsandtrademarks.vi.gov/usvi-master/viewInstance/view.html?id=f17985a3ec3617a0e1462034f988631ddef6bb19955b9a4a&_timestamp=3355954842278803 |
| Virginia Business Entity Search | Company | USA | Virginia | The Virginia State Corporation Commission’s registry for corporations and business entities. | https://thedatabasesearch.com/company-databases/virginia-business-entity-search/ | https://cis.scc.virginia.gov/EntitySearch/Index |
| Warren County Tick Tracking Database | Health | USA | Federal | A local New York database monitoring tick populations and vector-borne disease incidence. | https://thedatabasesearch.com/health-databases/warren-county-tick-tracking-database/ | https://www.arcgis.com/apps/dashboards/fe476c0d6b1141909376e42fd4dfdc26 |
| Washington Business Entity Search | Company | USA | Washington | The Washington Secretary of State’s database for corporate and nonprofit registrations. | https://thedatabasesearch.com/company-databases/washington-business-entity-search/ | https://ccfs.sos.wa.gov/#/ |
| West Virginia Business Entity Search | Company | USA | West Virginia | The West Virginia Secretary of State’s business entity search for corporations and trade names. | https://thedatabasesearch.com/company-databases/west-virginia-business-entity-search/ | https://apps.wv.gov/SOS/BusinessEntitySearch/ |
| Wildfire Mitigation Plans Database | ESG | USA | California | A California-focused database tracking utility and agency wildfire prevention and mitigation plans. | https://thedatabasesearch.com/esg-databases/wildfire-mitigation-plans-database/ | https://wildfire.pnnl.gov/mitigationPlans/pages/landing |
| Wisconsin Business Entity Search | Company | USA | Wisconsin | Wisconsin’s corporate registry offering public access to business entity records. | https://thedatabasesearch.com/company-databases/wisconsin-business-entity-search/ | https://apps.dfi.wi.gov/apps/corpSearch/Search.aspx |
| Wisconsin Public Records Database | Legal | USA | Wisconsin | A statewide database giving access to Wisconsin’s government records and legal filings. | https://thedatabasesearch.com/legal-databases/wisconsin-public-records-database/ | https://sos-services.wi.gov/documents |
| Wood Database | Industry | Global | A global reference of wood species properties, density, and visual identification features. | https://thedatabasesearch.com/industry-databases/how-to-use-wood-database-filter-tool/ | https://www.wood-database.com/ | |
| Wyoming Business Entity Search | Company | USA | Wyoming | Wyoming’s Secretary of State business entity search for corporations and LLCs. | https://thedatabasesearch.com/company-databases/wyoming-business-entity-search/ | https://wyobiz.wyo.gov/Business/FilingSearch.aspx |
| Wyoming LiDAR Data Portal | Science | USA | Wyoming | Wyoming’s open geospatial platform hosting LiDAR terrain and elevation datasets. | https://thedatabasesearch.com/science-databases/wyoming-lidar-data-portal/ | https://lidar.wygisc.org/ |
| Y-SNP Database | Health | Global | A curated database compiling Y-chromosome single nucleotide polymorphisms for human ancestry research. | https://thedatabasesearch.com/health-databases/universal-y-snp-database-guide/ | https://isogg.org/wiki/Y-SNP_indexes |