 OLDWICK, N.J.--BUSINESS WIRE-- insurance--AM Best has removed the under review with developing implications and affirmed the Financial Strength Rating FSR of A- Excellent and the Long-Term Issuer Credit Ratings Long-Term ICR of a- Excellent for the members of NORCAL Group NORCAL. The outlook of these Credit Ratings ratings is stable. See below for a detailed listing of the companies. The ratings reflect NORCALs balance sheet strength, which AM Best assesses as very strong, as well as its 