[236115] New Single-Family Housing Construction (except Operative Builders)
[236116] New Multifamily Housing Construction (except Operative Builders)
[236117] New Housing Operative Builders
[236118] Residential Remodelers
[236210] Industrial Building Construction
[236220] Commercial and Institutional Building Construction
[238190] Other Foundation, Structure, and Building Exterior Contractors
[238210] Electrical Contractors
[238350] Finish Carpentry Contractors
[238990] All Other Specialty Trade Contractors
[423510] Metal Service Centers and Other Metal Merchant Wholesalers
[423610] Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
[423620] Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers
[541690] Other Scientific and Technical Consulting Services
[561730] Landscaping Services
[561990] All Other Support Services
[811219] Other Electronic and Precision Equipment Repair and Maintenance