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  1. Employer identification number | Internal Revenue Service

  2. Get an employer identification number | Internal Revenue Service

  3. Valid EINs - Internal Revenue Service

  4. Free EIN Lookup: How Do I Find My EIN Online? - Forbes

  5. EIN and Tax ID for US Companies

  6. EIN Number Lookup - ChamberofCommerce.com

  7. How To Lookup A Company's EIN Number - Tax1099 Blog

  8. How to Find a Federal Tax ID Number: EIN Lookup - wikiHow

  9. Franchise Tax Account Status Search

  10. Lookup EIN and Tax ID for any U.S. Company