 OLDWICK, N.J.--BUSINESS WIRE--AM Best has maintained the under review with developing implications status for the Financial Strength Rating FSR of A- Excellent and the Long-Term Issuer Credit Ratings Long-Term ICR of a- for the members of NORCAL Group NORCAL. See below for a detailed listing of the companies. Originally, NORCALs Credit Ratings ratings were placed under review with developing implications on Dec.10, 2019, and the under review status was revised to developing on 