Selective Insurance Group, Inc., headquartered in Branchville, New Jersey, is a holding company for five property/casualty insurance companies that offer primary and alternative market insurance for commercial and personal risks. The insurance companies are rated "A+" (Superior) by A.M. Best. The company offers medical claim management services to insurance companies and other businesses through Alta Services LLC, a managed care organization, and through Consumer Health Network Plus, LLC, (CHN), a medical provider network; humanresource administration services & risk management products and services through Selective HR Solutions, Inc.; and flood insurance policy, administration and claim services through the National Flood Insurance