North American Industry Classification System
- 238110 Footing and Foundation Contractor
- 238130 Footing Wood Contractor
- 238910 Demolition Contractor
- 238910 Building Contractor
- 238910 Concrete Breaking and Cutting for Demolition
- 562910 Asbestos Removal Contractor
- 562910 Asbestos Abatement Contractor
- 238130 Steel Framing Contractor
- 238130 Framing Contractor
- 238310 Drywall Contractor
