Archived - Standard Industrial Classification - Establishments (SIC-E) 1980

E - Manufacturing Industries

31 - Machinery Industries (except Electrical Machinery)

312 - Commercial Refrigeration and Air ConditioningEquipment Industry

3121 - Commercial Refrigeration and Air ConditioningEquipment Industry

Establishments primarily engaged in manufacturing electric and non-electric commercial refrigerating equipment. The industry includes establishments primarily engaged in manufacturing self-contained air conditioning units and air conditioning equipment and parts for installation in custom and built-in air conditioning systems. Also included are unit coolers, cooling towers and heat pumps. Establishments primarily engaged in manufacturing window type air conditioning units are classified in 3321 - Major Appliance Industry (Electric and Non-Electric) and those primarily engaged in manufacturing coin-operated beverage coolers are classified in 3369 - Other Office, Store and Business Machine Industries.