Answered By: Business Library Last Updated: Jul 14, 2015 Views: 546
For public companies, you can also find the EIN (or IRS Number) printed on the first page of 10-Ks, 20-Fs and other SEC filings. You can find these on Mergent Online and LexisNexis Academic as well as for free on Edgar.
For EINs for private companies, you can sign up for a free trial at EIN Finder. Your first three searches are free.