The company focuses on those market verticals which afford the best opportunity for improved medical treatment for patients, but at lower costs than would be expected in the US. In all of the company's work, of highest importance is the quality of information and healthcare that the company makes available to prospective patients. DAL markets the services of the doctors and hospitals that are part of its network via a series of affiliated entities. In some instances these entities are wholly owned, in others they are partially owned, contracted or merely trademarked names. The following are some of the entities and trade names under which DAL conducts business: