Hardware Manufacturing, Hardware Merchant Wholesalers

Metal Heat Treating

Machine Shops

Powder Metallurgy Part Manufacturing, Optical Instrument and Lens Manufacturing, Storage Battery Manufacturing

Small Arms Manufacturing

Hardware Manufacturing, Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Support Activities for Forestry, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Other Foundation, Structure, and Building Exterior Contractors, Site Preparation Contractors

Rubber and Plastics Hoses and Belting Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Ball and Roller Bearing Manufacturing

Prefabricated Metal Building and Component Manufacturing, Ship Building and Repairing, Engineering Services, Testing Laboratories, Custom Computer Programming Services

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction

Machining

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Small Arms Manufacturing, Guided Missile and Space Vehicle Manufacturing, Military Armored Vehicle, Tank, and Tank Component Manufacturing, All Other Transportation Equipment Manufacturing

Fabricated Structural Metal Manufacturing, Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing, Light Truck and Utility Vehicle Manufacturing, All Other Motor Vehicle Parts Manufacturing, Automobile and Other Motor Vehicle Merchant Wholesalers

Ornamental and Architectural Metal Work Manufacturing

Plumbing, Heating, and Air-Conditioning Contractors, Plastics Plumbing Fixture Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Framing Contractors

Water and Sewer Line and Related Structures Construction, Fabricated Pipe and Pipe Fitting Manufacturing, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers