Plate Work Manufacturing, Sheet Metal Work Manufacturing, Machine Shops, Precision Turned Product Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Mining Machinery and Equipment Manufacturing, Oil and Gas Field Machinery and Equipment Manufacturing

Machine Shops, All Other Miscellaneous General Purpose Machinery Manufacturing

Prefabricated Metal Building and Component Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing, Cutting Tool and Machine Tool Accessory Manufacturing, Power-Driven Handtool Manufacturing

Metal Stamping

Small Arms Manufacturing

Painting and Wall Covering Contractors, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers

Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Metal Heat Treating

Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Other Metal Container Manufacturing

Machine Shops, Other Metal Valve and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Steel Investment Foundries, Metal Stamping, Machine Tool (Metal Cutting Types) Manufacturing

Other Foundation, Structure, and Building Exterior Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Fabricated Pipe and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Engineering Services

Hand and Edge Tool Manufacturing, Optical Instrument and Lens Manufacturing

Other Heavy and Civil Engineering Construction, Rope, Cordage, and Twine Mills, Other Fabricated Wire Product Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Overhead Traveling Crane, Hoist, and Monorail System Manufacturing

Aluminum Extruded Product Manufacturing, Machine Shops, Precision Turned Product Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Water and Sewer Line and Related Structures Construction, Other Metal Valve and Pipe Fitting Manufacturing, Heating Equipment (except Warm Air Furnaces) Manufacturing

Metal Stamping, Machine Shops, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing, Jewelry (except Costume) Manufacturing, Jewelers' Material and Lapidary Work Manufacturing