Also, the pages in the ExPA will all have the familiar graphic symbols at the top and bottom of the page. If you are using a mouse, with the arrow on the document click the right - most button. The National Trade Data Bank won't let me log in.
Access is limited to subscribers.
If you are a subscriber, make sure that you enter your user name in all upper - case letters. Click on the arrow and scroll down to the nearest desired number of documents. The listings in the Export Yellow Pages include the mailing addresses of the firms listed.