NAICS Codes

Primary NAICS

236220 Commercial & Institutional Building Construction

238220 Plumbing, Heating & Air Conditioning Contractors

238210 Electrical Contractors & Other Wiring Installation Contractors

Secondary NAICS

238310 Drywall & Insulation Contractors

238320 Painting & Wall Covering Contractors

238330 Flooring Contractors

238340 Tile & Terrazzo Contractors

238350 Finish Carpentry Contractors

238160 Roofing Contractors

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