I believe I have the EIN associated with the old company. Can I get my W-2 information with just that?
Yes, but an actual copy of your Form W-2 is only available if you submitted it with a paper tax return:
Transcript
Copy
If you e-filed your tax return or you didn't attach your Form W-2 to your paper return, then use one of the transcript options above. Otherwise, you'll need to contact your employer or SSA for a copy.
See Topic 159 for additional information.
It is doubtful that you could download a copy of your W-2 into TurboTax using only the Federal ID number for the company. Usually another piece of data from the actual W-2 is needed to download the form into TurboTax.
If you have not been able to get a copy of your W-2, you can create a substitute W-2 as part of your tax return based on the information shown on your last pay stub. However, you will not be able to file your return electronically.
Take a look at the following TurboTax help article for more details and instructions:
What if it's February but I still don't have my W-2?
Or, if you do not have your paystubs available to use the substitute W-2, you can request a Wage and Income Transcript from the IRS which will include any W-2s filed by your employer. The following help article will give you more details about this option:
How can I get a copy of my W-2?