FEIN is the abbreviated form of Federal Employer Identification Number. This is the tax ID number that the IRS issues to the employers of the United States. An employer having his business in the US must have this FEIN. For all types of business organizations, non-profit entities, and also state government agencies, this is a valuable reference number that gives all the necessary information about the organization. A FEIN lookup is often free, but you may have to opt for a fee-based lookup service sometimes. If you are looking for your employer is EIN, search it on your W2 Form.

Here are some more ways of performing a FEIN lookup. If you are looking for a FEIN of a public trading corporation, go to their website and find the Investor Relations section. Then open the SEC (Securities and Exchange Commission) Filing document. On the first page of this document, you can find the FEIN of the company.

Many companies do not publish their SEC filing document online. In such cases, you can complete a FEIN lookup by using the SEC EDGAR Forms. You can even consult online filings database. In the EDGAR database, you will find the SEC filings of all public trading companies.

If you want to perform FEIN lookup on a regular basis, you can subscribe to any of the commercial database services. These database services list even millions of FEINs and provide you the details online.

There are also database services providers who can provide you with single FEIN lookup opportunity. You can pay for a single search only and there is no need to subscribe for any database lookup services. This is a cost-effective FEIN lookup service, if you want to search a very few FEINs.

These commercial FEIN database services providers offer special offers from time to time. Many of them may allow you to perform a free FEIN lookup. Once you get a satisfactory result, then only they will ask you to subscribe for their FEIN lookup services.