OLDWICK, N.J.–(BUSINESS WIRE)– #insurance–AM Best has upgraded the Financial Strength Rating (FSR) to A (Excellent) from A- (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICRs) to “a” (Excellent) from “a-” (Excellent) of Illinois Casualty Company (ICC) and Lebanon Valley Insurance Company (LV). The outlook of these Credit Ratings (ratings) has been revised to stable from positive. ICC and LV are domiciled in Rock Island, IL. Concurrently, AM Best has affirmed the FSR of A (Excellent) and