The Employer Identification Number(s) associated with the business or business location. This is also known as a TIN (Tax Identification Number).

Data file structure (no child attributes):

Column NameData TypeDescriptionExample
einsArray (of strings)The employer identification number associated with the business.731127341

JSON Sample:

"eins": [


  • Business: 11%
  • Business Locations: 6%

Time structure:

  • Current point in time. No historical information.

Data sources:

  • Third party verification services
  • Public IRS data


  • For businesses, we order the list of ein(s) by prevalence across underlying data sources (how frequently they appear).