Locke Supply Co. is an employee-owned plumbing, electrical, and HVAC supply distributor headquartered in Oklahoma City, Oklahoma. Founded in 1955, the company has grown from a single wholesale plumbing outlet in Bartlesville into a regional distributor with more than 200 store locations across six states. Locke Supply provides electrical supplies, plumbing products, HVAC equipment, tools, and related products for contractors, businesses, and customers.