Synonymous with Marshall Industries in Salt Lake City is: audio-visual equipment, dealers, service and repair; home theatre custom installation; intercommunication equipment and systems; sound systems and equipment; television systems and equipment, closed circuit; vacuum cleaning systems, central; video equipment, sales and rentals; video equipment, security and industrial systems; and video equipment, service and repair. Its keywords from ads include: Nutone vacuum systems; Bags Filtered; Cyclonic Systems; Pipe Fittings; and Valves and Accessories. Marshall Industries serves many cities in the Salt Lake City area.