Fabricating, and welding, materials, except copper.

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Powder Metallurgy Part Manufacturing, Machine Shops, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Steam and Air-Conditioning Supply, Roofing Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Custom Roll Forming

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Nonferrous Forging, Powder Metallurgy Part Manufacturing, Machine Shops, Precision Turned Product Manufacturing

Steel Wire Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Fabricated Structural Metal Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Overhead Traveling Crane, Hoist, and Monorail System Manufacturing