NAICS CODES

Roofing Contractors

238160

Siding Contractors

238170

Electrical Contractors and Other Wiring Installation Contractors

238210

Plumbing, Heating, and Air Conditioning Contractors

238220

Drywall and Insulation Contractors

238310

Painting and Wall Covering Contractors

238320

Flooring Contractors

238330

All Other Specialty Trade Contractors

238990

Architectural Services

541310

Engineering Services

541330

Geophysical Surveying and Mapping Services

541360

Surveying and Mapping (except Geophysical) Services

541370

Interior Design Services

541410

Administrative Management and General Management Consulting Services

541611

Environmental Consulting Services

541620

Remediation Services

562910