NAICS Codes

NAICS Code	Description
1300000	Pre-Engineered Building
21231	Stone Mining and Quarrying
212312	Crushed and Broken Limestone Mining and Quarrying
212321	Construction Sand and Gravel Mining
221320	Sewage Treatment Facilities
233	Building, Developing and General Contracting
2332	Residential Building Construction
23331	Manufacturing and Light Industrial Building Construction
23332	Commercial and Institutional Building Construction
2341	Highway, Street, Bridge and Tunnel Construction
23411	Highway and Street Construction
23412	Bridge and Tunnel Construction
23491	Water, Sewer and Pipeline Construction
23499	All Other Heavy Construction
2351	Plumbing, Heating and Air Conditioning Contractors
2352	Painting and Wall Covering Contractors
2353	Electrical Contractors
23542	Drywall, Plastering, Acoustical and Insulation Contractors
23551	Carpentry Contractors
23552	Floorlaying and Other Floor Contractors
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