OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A+ (Superior) and the Long-Term Issuer Credit Rating of “aa-” of California Insurance Company (Foster City, CA), Continental Indemnity Company (Cedar Rapids, IA), Illinois Insurance Company (Cedar Rapids, IA), Texas Insurance Company (Dallas, TX) and Pennsylvania Insurance Company (Cedar Rapids, IA). All companies are collectively referred to as North American Casualty Group (NAC). The outlook of these Credi