Moody's rates corporate debt. Current ratings are posted on the Moody's Web page, which also explains how they figure their ratings (www.moodys.com). You can search press releases explaining the ratings using Google or any database with gneral business press releases.
Moody's formerly published detailed, annual profiles of all U.S. and many foreign public companies, known as "Moody's Manuals." This business has been sold to a company called Mergent. The print publications were renamed "Mergent Manuals," and the profiles made available online in the Mergent Online Manual Collection.