OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has assigned a financial strength rating of A- (Excellent) and an issuer credit rating of “a-” to Radnor Specialty Insurance Company (Radnor Specialty) (Wayne, PA). The outlook assigned to both ratings is stable. The ratings reflect Radnor Specialty’s favorable level of risk-adjusted capitalization, as measured by Best’s Capital Adequacy Ratio (BCAR), the experience of the management team and its targeted business plan. Furthermore, these ratings benefi