Founded in 1961, McQueeny and Lock offers heating, ventilation and air conditioning and plumbing products from several manufacturers. The company serves customers throughout the Midwest. It provides pumps, expansion tanks, heat exchangers and accessories for hydronic heating and cooling applications. McQueeny and Lock also offers emergency equipment, lavatory systems, thermostatic mixing valves, security fixtures and patient care units. The company provides showers for residential, commercial and industrial applications. It offers flush valves, copper fin boilers, grease interceptors, hydrants and trap seal primers. McQueeny and Lock provides products from Delany Flush Valves, Crane Plumbing, Bradley Corporation, Heat-Timer Corporation and LAARS Heating Systems Company.