OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating (FSR) of A+ (Superior) and the issuer credit ratings (ICR) of “aa-” of The Ohio National Life Insurance Company (ONLIC) and its wholly owned subsidiary, Ohio National Life Assurance Corporation (ONLAC) (together referred to as the Ohio National Life Group). These companies are the principal insurance subsidiaries of Ohio National Financial Services, Inc. (ONFS), which is an intermediate holding company wholly o