Variant of NAICS 1997 - Labour Force Survey (LFS) Industries

2325 - Building Equipment Installation

This industry group comprises establishments primarily engaged in installing or erecting building equipment.

• Exclusion(s):

  Establishments primarily engaged in:

  • manufacturing and installing building equipment, such as power boilers(31-33)

23251 - Electrical Work

This industry comprises establishments primarily engaged in installing and repairing electrical and communication wiring systems, including panel boxes, wires, outlets, lights and appliances. The installation and repair of environmental controls, security systems and fire detection devices are also included.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing power transmission and distribution lines (See 23139 Other Engineering Construction)

23252 - Plumbing, Heating and Air-Conditioning Installation

This industry comprises establishments primarily engaged in installing primary water piping systems, plumbing fixtures, secondary piping systems for wet heating, natural gas pipe fitting for dry heating, and central air-conditioning equipment. The installation of sheet metal duct work is included.

23253 - Automatic Sprinkler System Installation

This industry comprises establishments primarily engaged in installing automatic sprinkler fire protection systems, by cutting and threading pipe, hanging it from ceilings and attaching sprinkler heads.

23254 - Commercial Refrigeration Installation

This industry comprises establishments primarily engaged in installing and repairing commercial, industrial and scientific refrigeration and cold storage or freezer systems.

23255 - Elevator and Escalator Installation

This industry comprises establishments primarily engaged in installing and repairing elevators and escalators, moving sidewalks and similar conveying equipment in buildings.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing and dismantling construction elevators (See 23229 Other Building Structure Work)

23259 - Other Building Equipment Installation

This industry comprises establishments, not classified to any other industry, primarily engaged in building equipment installation.