Founded in 1975, A&D Automatic Gate and Access is a licensed contracting company that serves California and Nevada. It specializes in the manufacturing and installation of vehicle and pedestrian gates for private residences, multifamily dwellings, and commercial and industrial projects. The company provides automatic vehicle gates and access control and parking revenue systems. Additionally, it offers key switches, lock box, bolts, hinges, wheels, loops, transmitters, intercom and quickfold gate. The company has sales, projects, drafting, fabrication and service departments. It offers services to the government, transportation, electronics and health care industries, as well as airports and contractors. The company s other clients include United Air Lines, Apple Computers, Hewlett Packard, Yellow Cab Company, Kalser Industries and Stanford University. A&D Automatic Gate and Access maintains one of its locations in Redwood City, Calif.