OLDWICK, N.J.–(BUSINESS WIRE)–AM Best has upgraded the Long-Term Issuer Credit Rating (Long-Term ICR) to “bbb+” from “bbb” and affirmed the Financial Strength Rating (FSR) of B++ (Good) of Bremen Farmers Mutual Insurance Company (Bremen) (Bremen, KS). The outlook of the Long-Term ICR has been revised to stable from positive while the outlook of the FSR remains stable. The ratings reflect Bremen’s balance sheet strength, which AM Best categorizes as very strong, as well as its adequate operati