Delta Dental Insurance Company and its affiliates provide dental insurance to 6 million enrollees in nine states. Since 1970, the private insurance company has offered innovative programs designed to control costs and ensure quality care. With its main office in Alpharetta, Georgia, Delta Dental has regional offices in Alabama, Florida, Louisiana, Mississippi, Montana, Nevada, Texas and Utah. Its parent company is Delta Dental of California, a nonprofit service corporation headquartered in San Francisco. Both are part of a holding company formed with Delta Dental of Pennsylvania and its affiliates. Together they cover more than 36.4 million enrollees in 15 states, the District of Columbia and Puerto Rico.