OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has upgraded the Long-Term Issuer Credit Rating to “bbb+” from “bbb” and affirmed the Financial Strength Rating of B++ (Good) of Hartland Mutual Insurance Company (Hartland Mutual) (Minot, ND). The outlook of these Credit Ratings (ratings) remains stable. The ratings reflect Hartland Mutual’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its adequate operating performance, limited business profile and appropriate enterpr
