OREANDA-NEWS. A.M. Best has affirmed the FSR of A (Excellent) and the ICR of “a” for Medical Professional Mutual Insurance Company (ProMutual), Coverys RRG, Inc., Coverys Specialty Insurance Company, and ProSelect Insurance Company, all members of Coverys Companies (headquartered in Boston, MA). A.M. Best has also affirmed the FSR of A- (Excellent) and ICR of “a-” for Preferred Professional Insurance Company (Preferred Professional) (Omaha, NE). The outlook for each of these ratings remains stable.