2362 - Nonresidential Building Construction
236210 - Industrial Building Construction
236220 - Commercial and Institutional Building Construction
2361 - Residential Building Construction
236115 - New Single-Family Housing Construction (except For-Sale Builders)
236116 - New Multifamily Housing Construction (except For-Sale Builders)
237 - Heavy and Civil Engineering Construction
2371 - Utility System Construction
23711 - Water and Sewer Line and Related Structures Construction
237120 - Oil and Gas Pipeline and Related Structures Construction
23713 - Power and Communication Line and Related Structure Constructions
237310 - Highway, Street, and Bridge Construction
2379 - Other Heavy and Civil Engineering Construction
236118 - Residential Remodelers
2383 - Building Finishing Contractors
238310 - Drywall and Insulation Contractors
238320 - Painting and Wall Covering Contractors
238330 - Flooring Contractors
238350 - Finish Carpentry Contractors
238390 - Other Building Finishing Contractors
238130 - Framing Contractors
238160 - Roofing Contractors
238170 - Siding Contractors
2381 - Foundation, Structure, and Building Exterior Contractors
238110 - Poured Concrete Foundation and Structure Contractors
238 - Specialty Trade Contractors
238210 - Electrical Contractors and Other Wiring Installation Contractors
238220 - Plumbing, Heating, and Air-Conditioning Contractors (*try SIC Codes for more specific search)
238290 - Other Building Equipment Contractors
238190 - Welding, on-site, contractors
331317 - Aluminum Rolling, Drawing, Extruding and Alloying
332118 – Stamping
332210 - Cutlery and Hand Tool Manufacturing
3323 – Architectural and structural metals manufacturing
332313 - Plate Work Manufacturing, Plate work
332329 - Other Ornamental and Architectural Metal Product Manufacturing
332710 - Machine Shops
332999 - All Other Miscellaneous Fabricated Metal Product Manufacturing
333120 - Construction Machinery Manufacturing
333248 - All Other Industrial Machinery Manufacturing
333514 - Special Die and Tool, Die Set, Jig, and Fixture Manufacturing, Welding positioners manufacturing
333920 - Material Handling Equipment Manufacturing
333990 - All Other General - Purpose Machinery Manufacturing
335311 - Power, Distribution and Specialty Transformers Manufacturing
335312 - Motor and Generator Manufacturing, (except internal combustion engine, welding, turbine generator sets), manufacturing
336120 - Heavy - Duty Truck Manufacturing
336212 - Truck Trailer Manufacturing
482114 - Passenger Rail Transportation
4841 – General Freight Trucking
541330 - Engineering Services
811111 – General Automotive Repair
811310 - Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.