Dolphwin Sources
Beta · Last updated October 1, 2026
Dolphwin answers from official public records and from statements signed by the companies themselves. Every answer shows the record it relies on, with a link and a date.
Publishers whose records we use
- U.S. Securities and Exchange Commission (EDGAR filings)
- Global Legal Entity Identifier Foundation (LEI records, CC0)
- U.S. General Services Administration (SAM.gov entity registrations)
- U.S. Department of the Treasury (USAspending.gov)
- State business registries and state tax authorities (for example, the Texas Comptroller of Public Accounts, the Connecticut Secretary of the State, and the New York, Pennsylvania, Colorado and Oregon departments of state, the District of Columbia Department of Licensing and Consumer Protection, and the Delaware Division of Revenue, through their official open-data portals)
- Virginia State Corporation Commission, via the Virginia Open Data Portal (monthly business-entity files)
- Business-license and trade-name records published as open data by the Pennsylvania Department of Revenue, the Colorado Department of State, the District of Columbia, and the cities of New York, Los Angeles, San Francisco and Seattle
Licenses, building permits and inspections
To show that a company actually operates, Dolphwin reads these open datasets for records under the company’s exact name. We request business names, record numbers, types, statuses, dates and cities only, never street addresses, ZIP codes, phone numbers or people’s names.
| Publisher | Dataset | License or terms |
|---|---|---|
| Texas Department of Licensing and Regulation | TDLR - All Licenses (data.texas.gov, 7358-krk7) | Texas Open Data Portal terms |
| City of Chicago, Department of Buildings | Building Permits (data.cityofchicago.org, ydr8-5enu) | City of Chicago Data Portal terms of use |
| City of Chicago, Department of Public Health | Food Inspections (data.cityofchicago.org, 4ijn-s7e5) | City of Chicago Data Portal terms of use |
| NYC Department of Buildings | DOB NOW: Build – Approved Permits (data.cityofnewyork.us, rbx6-tga4) | NYC Open Data terms of use |
| NYC Department of Health and Mental Hygiene | DOHMH New York City Restaurant Inspection Results (data.cityofnewyork.us, 43nn-pn8j) | NYC Open Data terms of use |
| City of Austin, Development Services | Issued Construction Permits (data.austintexas.gov, 3syk-w9eu) | Public domain (U.S. government works) |
| City of Austin, Austin Public Health | Food Establishment Inspection Scores (data.austintexas.gov, ecmv-9xxi) | Public domain |
| City of Seattle, Department of Construction and Inspections | Building Permits (data.seattle.gov, 76t5-zqzr) | Public domain |
Each publisher’s own terms apply to its records. We follow them. That includes attribution where it is required.
What we don’t do
- We don’t publish or index profiles of companies or people.
- We don’t collect home addresses, and we never offer searches for individuals.
- We don’t sell data.
Corrections
If a record we cite is wrong or out of date, tell us at corrections@dolphwin.com. See the Corrections & Takedowns policy.