OLDWICK, N.J. – JULY 25, 2013 A.M. Best Co. has revised the outlook to stable from negative and affirmed the financial strength rating of B+ (Good) and issuer credit rating of “bbb-” of Preferred Contractors Insurance Company Risk Retention Group, LLC (PCIC) (Billings, MT).The ratings reflect PCIC’s adequate level of risk-adjusted capitalization and recent improvements in operating performance. The ratings also reflect management’s...