A.M. Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of 鈥渁a-鈥� of 探花精选 Insurance Company (Greensburg, PA) and 探花精选 Lloyds of Texas (Dallas, TX) (collectively referred to as 探花精选 Insurance Companies [ORINSCO]); BITCO General Insurance Corporation and BITCO National Insurance Company (both domiciled in Rock Island, IL) (collectively referred to as BITCO Insurance Companies); and Great West Casualty Company (Great West) (South Sioux City, NE).