NAICS Code 213112 - Support Activities for Oil & Gas Operations 237120 - Oil & Gas Pipeline and related structures construction 238910 - Site preparation contractors 236210 - Industrial Building Construction 236220 - Commercial & Institutional Building Construction 237310 - Highway, Street and Bridge Construction 237990 - Other Heavy and Civil Engineering Construction 237110 - Water and Sewer Line and Related Structures Construction 238210 - Electrical Contractors and Wiring Installation Contractors 238220 - Plumbing, Heating, and Air Conditioning Contractors 238140 - Masonry Contractors 238110 - Poured Concrete and Structure Contractors 238990 - All Other Specialty Trade Contractors 238120 - Structural Steel and Precast Concrete Contractors 238190 - Other Foundation, Structure, and Building Exterior Contractors 238310 - Drywall and Insulation Contractors 238150 - Glass and Glazing Contractors 238320 - Painting and Wall Covering Contractors 238350 - Finish Carpentry Contractors 238390 - Other Building Finishing Contractors 562910 - Remediation Services 321114 - Wood Preservation 325199 - All Other Basic Organic Chemical Manufacturing 325510 - Paint and Coating Manufacturing 325998 - All Other Miscellaneous Chemical Product and Preparation Manufacturing 326113 - Unlaminated Plastics Film and Sheet (Except Packaging) Manufacturing 326122 - Plastics Pipe and Pipefitting manufacturing 331210 - Iron and Steel Pipe and Tube manufactruing from purchased steel 331491 - Nonferrous metal (except copper and aluminum) rolling, drawing, and extruding 332216 - Saw blade and handtool manufacturing 332312 - Fabricated Structural Metal Manufacturing 332313 - Plate Work Manufacturing 332410 - Power Boiler and Heat Exchanger Manufacturing 332420 - Metal Tank (Heavy Gauge) Manufacturing 333415 - Air Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refigeration Equipment Manufacturing 332322 - Sheet Metal Work Manufacturing 332439 - Other Metal Container Manufacturing 332119 - Metal Crown, Closure, and other Metal Stamping (except automotive) 332215 - Metal Kitchen cookware, utensil, cutlery, and flatware (except precious) manufacturing 332618 - Other Fabricated Wire Product Manufacturing 333924 - Industrial Truck, Tractor, Trailer, Stacker Machinery Manufacturing 332996 - Fabricated Pipe and Pipe Fitting Manufacturing 333112 - Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing 333120 - Construction Machinery Manufacturing 333923 - Overhead Traveling Crane, Hoist, and Monorail System Manufacturing 336510 - Railroad Rolling Stock Manufacturing 333132 - Oil & Gas Field Machinery and Equipment Manufacturing 332999 - All Other Miscellaneous Fabricated Metal Product Manufacturing 333992 - Welding and Soldering Equipment Manufacturing 335311 - Power, Distribution, and Specialty Transformer Manufacturing 333914 - Measuring, Dispensing, and Other Pumping Equipment Manufacturing 333994 - Industrial Process Furnace and Oven Manufacturing 335314 - Relays and Industrial Control Manufacturing 811310 - Commercial and Industrial Machinery and Equipment (except automotive and Electronic) repair and maintenance
SIC Code 13890102 - Derrick building, repairing, and dismantling 13890204 - Pipe testing, oil field service 154 - General contractors-nonresidential buildings 16 - Heavy Construction, Except Building Construction, Contractor 17110401 - Mechanical contractor 173 - Electrical work 174101 - Foundation and retaining wall construction 17420101 - Drywall 17719904 - Foundation and footing contractor 1791 - Structural steel erection 17959902 - Demolition, buildings and other structures 17990208 - Insulation of pipes and boilers 17999932 - Welding on site 24910102 - Piles, foundation and marine construction: treated wood 262 - Paper mills 28999919 - Fluxes: brazing, soldering, galvanizing, and welding 28999939 - Plastic wood 30810100 - Plastics film and sheet 3084 - Plastics pipe 331702 - Welded pipe and tubes 33569904 - Welding rods 342300 - Hand and edge tools, nec 34239923 - Screw drivers, pliers, chisels, etc. (hand tools) 3441 - Fabricated structural metal 34420303 - Storm doors or windows, Metal 34420400 - Metal doors 34430100 - Industrial vessels, tanks, and containers 34430122 - Tanks, standard or custom fabricated: Metal plate 34430303 - Boilers: industrial, power, or marine 34430704 - Crane hooks, laminated plate 3444 - Sheet metalwork 3469 - Metal stampings, nec 34969908 - Gas welding rods 3498 - Fabricated pipe and fittings 35240100 - Lawn and garden tractors and equipment 35310202 - Cranes, ship 35310302 - Cranes, locomotive 353106 - Backhoes, tractors, cranes, plows, and similar equipment 353199 - Construction machinery, nec 3533 - Oil and gas field machinery 3536 - Hoists, cranes, and monorails 35370205 - Cranes, industrial truck 354801 - Electric welding equipment 356100 - Pumps and pumping equipment 35670101 - Heating units and devices, industrial: electric 36250202 - Control circuit relays, industrial 76992200 - Aircraft and heavy equipment repair services