Founded in 1953, Johnstone Supply is a cooperative wholesale distributor in the Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) industry and has a network of centers throughout the United States. Located in Denver, Colo., its regional distribution centers based in Portland, Oregon, Memphis, Tennessee, Allentown, Pennsylvania, Jacksonville, Florida and Las Vegas, Nevada. The company offers a range of products, including commercial kitchen supplies, electrical, heating and air conditioning controls, HVAC equipment, hydronics and pumps, installation and maintenance supplies, among others. It also offers motors and motor accessories, refrigeration/air conditioning equipment, test instruments and tools, as well as ventilation and indoor air quality equipment. The company provides technical advice and training seminars to its customers.