Iron and Steel Mills, Fabricated Structural Metal Manufacturing

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Highway, Street, and Bridge Construction, Structural Steel and Precast Concrete Contractors, Petroleum Refineries, Asphalt Paving Mixture and Block Manufacturing, Rolled Steel Shape Manufacturing

Industrial Building Construction, Commercial and Institutional Building Construction, Aluminum Extruded Product Manufacturing, Aircraft Engine and Engine Parts Manufacturing

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Broadwoven Fabric Mills, Nonwoven Fabric Mills, Fabric Coating Mills, All Other Miscellaneous Textile Product Mills

Steel Investment Foundries, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Bare Printed Circuit Board Manufacturing

Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers, Other Nonscheduled Air Transportation, Other Airport Operations, Other Support Activities for Air Transportation, Temporary Help Services

CORPORATE

Electrometallurgical Ferroalloy Product Manufacturing, Machine Shops, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

Copper Wire (except Mechanical) Drawing, Telephone Apparatus Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Other Communication and Energy Wire Manufacturing

Primary Aluminum Production

Steel Investment Foundries, Aluminum Foundries (except Die-Casting)

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Metal Stamping, Plate Work Manufacturing, Sheet Metal Work Manufacturing, Machine Shops

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Rolled Steel Shape Manufacturing, Fabricated Structural Metal Manufacturing

Plastics Material and Resin Manufacturing, Custom Compounding of Purchased Resins, Plastics Plumbing Fixture Manufacturing, All Other Plastics Product Manufacturing, Aluminum Extruded Product Manufacturing

All Other Basic Inorganic Chemical Manufacturing, Nonclay Refractory Manufacturing, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Machine Shops

Steel Wire Drawing