If you are an employee and receive a W-2 then the employers EIN must be on the W-2 as required by law.
If you do not get a W-2 and are self-employed then you file a schedule C for a self employed person.
If you are an employee and not self employed then ALL (legitimate) companies must have a employer ID number. If they do not then they might be operating illegally and you need to talk with you states department of labor.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
