Classification

Foundation, Structure, and Building Exterior Contractors
NAICS Code: 2381

Poured Concrete Foundation and Structure Contractors
NAICS Code: 23811

Poured Concrete Foundation and Structure Contractors
NAICS Code: 238110

Structural Steel and Precast Concrete Contractors
NAICS Code: 23812

Structural Steel and Precast Concrete Contractors
NAICS Code: 238120

Framing Contractors
NAICS Code: 23813

Framing Contractors
NAICS Code: 238130

Masonry Contractors
NAICS Code: 23814

Masonry Contractors
NAICS Code: 238140

Glass and Glazing Contractors
NAICS Code: 23815

Glass and Glazing Contractors
NAICS Code: 238150

Roofing Contractors
NAICS Code: 23816

Roofing Contractors
NAICS Code: 238160

Siding Contractors
NAICS Code: 23817

Siding Contractors
NAICS Code: 238170