General Heating and Mechanical Co, 1922 W Superior St, Duluth, MN 55806, US

Established in 1913, Jamar Company is a full-service mechanical contractor and construction materials distributor. Located in Duluth, Minn., it is one of the leaders in an array of specialty construction services in the United States. The firm offers a wide range of services, such as professional services, metal fabrication, boiler services, process piping, industrial air systems, commercial, light commercial/service, architectural, distribution division, heating, ventilation and air-conditioning (HVAC) and safety/loss prevention. Jamar Company is a recipient of the Minnesota Safety Council Award of Honor and Sheet Metal and Air Conditioning Contractors National Association Safety Award.