Legal, Justice & Law Enforcement

• PACER – Federal court dockets and case files.
• FBI Vault – Digitized records on famous investigations and declassified files.
• BOP Inmate Locator – Search for any federal prisoner from 1982 to the present.
• NSOPW – The unified national database for sex offender registries.
• FOIA.gov – A portal to search for previously released government documents.
• NLRB Case Search – Search federal labor dispute and union election data.
• DOJ ADA Settlement Search – Search for Americans with Disabilities Act enforcement actions.
• Tax Court Search – Searchable records of federal tax disputes.
• DEA Registrant Search – Verify businesses authorized to handle controlled substances.
• Supreme Court Opinions – Direct access to all high court rulings.

 

Military & Veterans (Historical & Modern)

• NARA Military Personnel Records – Access to digitized enlistment, casualty, and POW records.
• Fold3 (NARA Partner) – The premier source for digitized military service records (Civil War, WWII, etc.).
• VA Gravesite Locator – Find the burial location of veterans in national cemeteries.
• POW/MIA Accounting Agency – Databases of service members still unaccounted for from past conflicts.
• American Battle Monuments Commission – Records of those buried in overseas U.S. military cemeteries.
• Civil War Soldiers & Sailors Database – A master index of 6.3 million names of Civil War service members.
• Medal of Honor Recipients – Official database of military valor awardees.
• Merchant Marine Records – Obscure records for WWII-era Merchant Marines.
• DOD Legal Decisions – A niche database for military judicial decisions.
• Veterans History Project – Collections of first-hand accounts and oral histories from veterans.

 

Land, Property & Infrastructure

• BLM Land Patent Records – Essential for searching original land titles and homestead acts.
• National Register of Historic Places – Database of protected historic properties and sites.
• FEMA Flood Map Service – Search for property-specific flood zone data.
• FAA Aircraft Registry – Search for the ownership of any registered civil aircraft.
• NOAA Shoreline Data – Obscure topographic data for coastal property research.
• HUD Foreclosed Homes – Database of government-owned properties for sale.
• USGS EarthExplorer – High-resolution satellite and aerial imagery of any U.S. location.
• FCC Antenna Structure Registration – Find towers or antennas on or near properties.
• National Pipeline Mapping System – Public viewer to see if gas pipelines run through a specific parcel.
• EPA Facility Registry Service – Search for environmental records tied to specific buildings or land.

 

Business, Finance & Intellectual Property

• SEC EDGAR – Public company financials and insider trading reports.
• USPTO Trademark Search – Find active and expired trademarks.
• USPTO Patent Search – Search all U.S. patents dating back to the 1700s.
• Copyright Public Records – Search for registrations of music, books, and art.
• USAspending.gov – Database of every company receiving federal contracts or grants.
• SBA HUBZone Map – Find businesses in historically underutilized business zones.
• FDIC Bank Find – Search the history and financial health of every FDIC-insured bank.
• FARA eFile Search – Searchable list of foreign agents lobbying the U.S. government.
• SAM.gov – The official database for all entities doing business with the federal government.
• ImportGenius (U.S. Customs Partner) – Niche database for searching ship manifests and import records.

 

Archives, Science & Miscellaneous

• NARA Access to Archival Databases (AAD) – A specialized search engine for "raw" electronic records (electronic data files).
• CIA World Factbook – The primary database for global and domestic intelligence summaries.
• LOC Chronicling America – Searchable database of historic newspapers from 1770 to 1963.
• NIST Standard Reference Data – Niche scientific data on chemicals, materials, and technology.
• DOE SciTech Connect – Search energy-related research and technical reports.
• FEC Campaign Finance – Search for political donations by individuals or organizations.
• Social Security Death Index – (Public version via partners) used to verify deaths for genealogy or legal audits.
• National Transportation Safety Board (NTSB) Cases – Search accident reports for planes, trains, and ships.
• Smithsonian Collections Search – Digital database of millions of museum artifacts.
• National Nuclear Data Center – An extremely obscure database for nuclear physics data.