OREANDA-NEWS. A.M. Best has affirmed the Financial Strength Rating (FSR) of A- (Excellent) and the Long-Term Issuer Credit Ratings (ICR) of “a-” of IAT Reinsurance Company Ltd. (IAT Re) (Hamilton, Bermuda) and its operating subsidiary Service Insurance Company (Service) (Bradenton, FL). The outlook of these Credit Ratings (rating) is stable.