| A. M. Best | OLI_RATINGSRC_AMB | 2 |
| Agusto & Company | OLI_RATINGSRC_AGUSTOCOMPANY | 18 |
| Baycorp Advantage | OLI_RATINGSRC_BAYCORP | 14 |
| Choice Point | OLI_RATINGSRC_CHOICEPOINT | 8 |
| Credit Rating Information and Services Limited | OLI_RATINGSRC_CREDITRATINGINFO | 22 |
| DBRS Morningstar | OLI_RATINGSRC_DOMINION | 6 |
| Duff & Phelps | OLI_RATINGSRC_DP | 13 |
| Dun & Bradstreet | OLI_RATINGSRC_DB | 12 |
| Egan-Jones Rating Company | OLI_RATINGSRC_EGANJONES | 15 |
| Equifax | OLI_RATINGSRC_EQUIFAX | 9 |
| Experian | OLI_RATINGSRC_EXPERIAN | 11 |
| Fitch Ratings | OLI_RATINGSRC_FITCH | 4 |
| Global Credit Ratings Co. | OLI_RATINGSRC_GLOBALCREDIT | 16 |
| Japan Credit Rating Agency, Ltd | OLI_RATINGSRC_JAPANCREDDIT | 19 |
| Levin and Goldstein | OLI_RATINGSRC_LEVINGOLDSTEIN | 17 |
| Moody's Investor Service | OLI_RATINGSRC_MOODY | 3 |
| Muros Ratings | OLI_RATINGSRC_MUROS | 20 |
| Other | OLI_OTHER | 2147483647 |
| Rapid Ratings International | OLI_RATINGSRC_RAPIDRATINGS | 21 |
| Standard & Poors | OLI_RATINGSRC_SP | 1 |
| Trans Union | OLI_RATINGSRC_TRANSUNION | 10 |
| TRW | OLI_RATINGSRC_TRW | 7 |
| Unknown | OLI_UNKNOWN | 0 |
| Weiss Ratings, Inc. | OLI_RATINGSRC_WEISS | 5 |