OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating (FSR) of A (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “a+” of the ten pooled members of Selective Insurance Group (Selective). Additionally, A.M. Best has affirmed the Long-Term ICR of “bbb+” and the Long-Term Issue Credit Ratings (Long-Term IR) of the ultimate parent, Selective Insurance Group, Inc. (SIGI) [NASDAQ:SIGI]. All companies are headquartered in Branchville, NJ. The outloo