North American Industry Classification System (NAICS) 2002

2382 - Building Equipment Contractors

This industry group comprises establishments primarily engaged in installing or servicing equipment that forms part of a building mechanical system (e.g., electricity, water, heating, and cooling). The work performed may include new work, additions, alterations, or maintenance and repairs. Contractors installing specialized building equipment, such as elevators, escalators, service station equipment, and central vacuum cleaning systems are also included.

23821 - Electrical Contractors

This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. Electrical contractors included in this industry may include both the parts and labour when performing work. Electrical contractors may perform new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • constructing power and communication transmission lines (See 23713 Power and Communication Line and Related Structures Construction)
  • installing and maintaining telecommunications lines by telecommunications companies (See 517 Telecommunications)
  • burglar and fire alarm installation combined with sales, maintenance, or monitoring services (See 561621 Security Systems Services (except Locksmiths))

23822 - Plumbing, Heating and Air-Conditioning Contractors

This industry comprises establishments primarily engaged in installing and servicing plumbing, heating, and air-conditioning equipment. Contractors in this industry may provide both parts and labour when performing work. The work performed may include new work, additions, alterations, maintenance, and repairs.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing electrical controls for HVAC systems (See 23821 Electrical Contractors)
  • duct cleaning (See 561791 Duct and Chimney Cleaning Services)

23829 - Other Building Equipment Contractors

This industry comprises establishments, not classified to any other industry, primarily engaged in installing or servicing building equipment. The work performed may include new work, additions, alterations, maintenance, and repairs.