Mergent Horizon includes companies' bond ratings.
- Search for your company
- Then click the portraits tab to find corporate bond portraits and bond ratings.
LexisNexis Academic has bond ratings too.
- Use the "find company info" box to search for a company by name or ticker symbol.
- Then, on the "company dossier" view, scroll down to find the company's bond rating/
You might also wish to use Bloomberg, available in the Margolis Market Information Lab.
- Type the ticker symbol for the company you want
- Hit the CORP key
- Then type CRPR and hit the GO key.
- You can find historical bond ratings for particular issues.
WRDS is also available in the Margolis Market Information Lab.
- Choose Compustat
- Scroll to Ratings Xpress
- Choose your ratings category