North American Industry Classification System (NAICS) 1997

23221 - Forming Work

This industry comprises establishments primarily engaged in placing and stripping wooden or steel forms for poured-in-place concrete or installing insulated foundation systems. Establishments primarily engaged in erecting falsework used to support concrete until it sets are also included.

• Exclusion(s):

  Establishments primarily engaged in:

  • installing rigid foam insulation as an incidental activity of sealing and coating foundations (See 23229 Other Building Structure Work)

232210 - Forming Work

This Canadian industry comprises establishments primarily engaged in placing and stripping wooden or steel forms for poured-in-place concrete or installing insulated foundation systems. Establishments primarily engaged in erecting falsework used to support concrete until it sets are also included.

• Example Activities:

  • Concrete forms, placing and stripping
  • False work construction