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

232 - Trade Contracting

This subsector comprises establishments engaged in one aspect common to different structures, requiring specialized skills or equipment. They are known as trade contractors, and are classified by the specific component they contribute to the total structure or work. Trade contractors normally supply their specialized service under contract to a general contractor. In repair construction, and to a lesser degree in new construction, trade contractors, included in this subsector, may be engaged as "prime contractors", or jobbers, dealing directly with the principals involved.

• Exclusion(s):

  Establishments primarily engaged in:

  • providing specialized services of a type related to engineering construction, and not normally performed on buildings or building-related projects (See 2313 Engineering Construction)

2321 - Site Preparation Work

This industry group comprises establishments primarily engaged in site preparation activities, such as agricultural land clearing; land drainage and reclamation; demolition of buildings and other structures; excavating and grading; cutting of rights-of-way; pile driving; concrete breaking for roads; water well drilling; septic system installation; and house moving. Establishments primarily engaged in equipment rental with operator (except cranes) are also included.

2322 - Building Structure Work

This industry group comprises establishments primarily engaged in erecting the basic structure of buildings by pouring concrete; framing with lumber; welding, bolting or tying steel; and placing precast or pre-stressed concrete members. Crane rental services with operator are also included because they support the erection process.

2323 - Building Exterior Finishing Work

This industry group comprises establishments primarily engaged in closing-in and finishing the exterior structure of buildings.

2324 - Building Interior Finishing Work

This industry group comprises establishments primarily engaged in finishing building interiors. This work generally involves covering the interior structure with various materials.

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)

2329 - Other Special Trade Contracting

This industry group comprises establishments, not classified to any other industry group, primarily engaged in specialized trades.