Possible NAICS Codes
236118 – Residential Remodelers
236220 – Commercial and Institutional Building Construction
236115 – New Single-Family Housing Construction (except For-Sale Builders)
238320 – Painting and Wall Covering Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
212321 – Construction Sand and Gravel Mining
238390 – Other Building Finishing Contractors
238350 – Finish Carpentry Contractors
236116 – New Multifamily Housing Construction (except For-Sale Builders)
333120 – Construction Machinery Manufacturing

Possible NAICS Codes
238320 – Painting and Wall Covering Contractors
561210 – Facilities Support Services
236118 – Residential Remodelers
238990 – All Other Specialty Trade Contractors
238330 – Flooring Contractors
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238390 – Other Building Finishing Contractors
238140 – Masonry Contractors
561720 – Janitorial Services

Description
Equipment and Materials Testing: Metalworking Machinery

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
541380 – Testing Laboratories and Services
332321 – Metal Window and Door Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
238290 – Other Building Equipment Contractors
236117 – New Housing For-Sale Builders

Possible NAICS Codes
541330 – Engineering Services
541310 – Architectural Services
236220 – Commercial and Institutional Building Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
236117 – New Housing For-Sale Builders