DART Helicopter Services operates out of eight locations worldwide, including this office in Oceanside. This large company sells more than 3,500 parts for all types of helicopters from companies as varied as AKV, Apical Industries, Wysong Enterprises and others. But that's far from all they do: The company is also a marketing and distribution firm for companies all over the world. It teams with these other aviary companies to connect helicopter pilots and owners with the products and services that best fit their needs.