AM Best has downgraded the Long-Term Issuer Credit Rating (Long-Term ICR) to “a” (Excellent) from “a+” (Excellent) and affirmed the Financial Strength Rating (FSR) of A (Excellent) of Shelter Mutual Insurance Company (Shelter Mutual) (Columbia, MO) and its property/casualty (P/C) …
AM Best Downgrades Credit Rating of Shelter Mutual
