EIN Lookup by State
Find an employer’s Employer Identification Number (EIN) from its public Form 5500 filing. Choose a state to browse the largest employers and their EINs, or run a Form 5500 search by company name.
Per-state EIN directories are rolling out in batches — but you can already look up any company’s EIN by name regardless of state, or browse the full plans directory by state. For background on these filings, see What is Form 5500?

