OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has upgraded the Long-Term Issuer Credit Ratings (Long-Term ICR) to “a+” from “a” and affirmed the Financial Strength Rating (FSR) of A (Excellent) of American Interstate Insurance Company, Silver Oak Casualty, Inc. and American Interstate Insurance Company of Texas (Austin, TX) (collectively referred to as AMERISAFE Insurance Group or the group). The outlook of the Long-Term ICR has been revised to stable from positive while the outlook of the FSR rema
