OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A++ (Superior) and the Long-Term Issuer Credit Ratings of “aa+” of the members of MedPro Group (MedPro) (headquartered in Fort Wayne, IN). These Credit Ratings (ratings) apply to The Medical Protective Company (Fort Wayne, IN), its affiliates, Princeton Insurance Company (Princeton, NJ), PLICO, Inc. (Oklahoma City, OK), Commercial Casualty Insurance Company (Fort Wayne, IN) and Atlanta International Insuranc