Incorporated in 1922, United Stationers Supply Company is one of the largest wholesale distributors of business products in North America. It is a wholly owned subsidiary of United Stationers, which stocks more than 100,000 items from over 1,000 manufacturers. The parent company offers a selection of technology and industrial products, as well as office furniture and janitorial and break room supplies. United Stationers is a public company that maintains nearly 65 distribution centers and serves commercial and contract business and industrial product dealers and distributors. Its customers include approximately 30,000 resellers, such as contract stationers, computer products resellers, office furniture dealers, mass merchandisers, mail order companies, drug and grocery store chains, and sanitary supply, paper and food service distributors. The parent company operates a fleet of more than 550 trucks.