Residential Remodelers, Framing Contractors, Masonry Contractors, Roofing Contractors, Other Foundation, Structure, and Building Exterior Contractors

Electric Power Distribution, Sewage Treatment Facilities, New Multifamily Housing Construction (except Operative Builders), Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

New Single-Family Housing Construction (except Operative Builders), Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors