OLDWICK, N.J.–(BUSINESS WIRE)– #insurance–AM Best has upgraded the Long-Term Issuer Credit Rating (Long-Term ICR) to “bbb+” (Good) from “bbb” (Good) and affirmed the Financial Strength Rating (FSR) of B++ (Good) of National Unity Insurance Company (National Unity) (San Antonio, TX). The outlook of the Long-Term ICR has been revised to stable from positive, while the outlook of the FSR is stable.The Credit Ratings (ratings) reflect National Unity’s balance sheet strength, which AM Best assesses as strong,