OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A- (Excellent) and the Long-Term Issuer Credit Rating of “a-” of Trisura Guarantee Insurance Company (Trisura Guarantee) (Toronto, Ontario, Canada). The outlook of these Credit Ratings (ratings) remains stable. The ratings reflect Trisura Guarantee’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its adequate operating performance, neutral business profile and appropriate ente