RSUI Group is a leading underwriter of wholesale specialty insurance. The company works with insurance wholesalers to provide a wide range of insurance products, including property, casualty, professional liability, and directors and officers liability coverage. RSUI provides insurance to thousands of companies nationwide. With more than 15 years of experience in wholesale specialty insurance, RSUI provides support, service and underwriting integrity to a select number of wholesale producers and reinsurers. RSUI writes business in the following companies: RSUI Indemnity Company and Landmark American Insurance Company. RSUI is rated A X (Excellent) by A.M. Best, and A- by Standard & Poor's. The company is based in Atlanta and has an office in Sherman Oaks, Calif. RSUI is a member of Alleghany Insurance Holdings.