AM Best’s Credit Ratings
https://web.ambest.com/docs/default-source/ratings/am-best's-credit-ratings_web.pdf
webaaa, aa+ A++ aa, aa- A+ a+, a A a- A- bbb+, bbb B++ bbb- B+ bb+, bb B bb- B- b+, b C++ b- C+ ccc+, ccc C ccc-, cc C- c D. Financial Size Category Table. To enhance the usefulness of ratings, AM Best assigns each rated (A++ through D) insurance company a Financial Size Category (FSC).
DA: 39 PA: 17 MOZ Rank: 8