Possible NAICS Codes
541330 – Engineering Services
541310 – Architectural Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
236220 – Commercial and Institutional Building Construction
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
212321 – Construction Sand and Gravel Mining
221114 – Solar Electric Power Generation
238210 – Electrical Contractors and Other Wiring Installation Contractors
238290 – Other Building Equipment Contractors
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing