All Other Specialty Trade Contractors

Sewage Treatment Facilities

Electrical Contractors, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Computer and Software Stores

Residential Property Managers

Residential Property Managers

Site Preparation Contractors

Other Services to Buildings and Dwellings

Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction

Other Fuel Dealers

Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Structural Steel and Precast Concrete Contractors, Communication Equipment Repair and Maintenance

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Framing Contractors, Roofing Contractors, Other Building Equipment Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction