New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction

Metal Tank (Heavy Gauge) Manufacturing, Fluid Power Cylinder and Actuator Manufacturing, Port and Harbor Operations

Oil and Gas Pipeline and Related Structures Construction, Metal Tank (Heavy Gauge) Manufacturing, Motor Vehicle Supplies and New Parts Merchant Wholesalers, Metal Service Centers and Other Metal Merchant Wholesalers, Other Electronic Parts and Equipment Merchant Wholesalers

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Plastics Packaging Film and Sheet (including Laminated) Manufacturing, All Other Plastics Product Manufacturing, Rolled Steel Shape Manufacturing, Nonferrous Forging

Painting and Wall Covering Contractors, Prefabricated Metal Building and Component Manufacturing, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing

Metal Tank (Heavy Gauge) Manufacturing, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Electroplating, Plating, Polishing, Anodizing, and Coloring, Ship Building and Repairing, Industrial Supplies Merchant Wholesalers

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Structural Steel and Precast Concrete Contractors, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing

Natural Gas Distribution, Steam and Air-Conditioning Supply, Industrial Building Construction, Commercial and Institutional Building Construction, Oil and Gas Pipeline and Related Structures Construction

Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, All Other Specialty Trade Contractors, Iron and Steel Forging

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

Oil and Gas Pipeline and Related Structures Construction, Structural Steel and Precast Concrete Contractors, Leather and Hide Tanning and Finishing, Petroleum Refineries, Prefabricated Metal Building and Component Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Custom Roll Forming, Prefabricated Metal Building and Component Manufacturing, Fabricated Structural Metal Manufacturing

Metal Tank (Heavy Gauge) Manufacturing

Structural Steel and Precast Concrete Contractors, Metal Tank (Heavy Gauge) Manufacturing

Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Other Metal Container Manufacturing

Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing, Ornamental and Architectural Metal Work Manufacturing, Metal Tank (Heavy Gauge) Manufacturing

Industrial 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, Highway, Street, and Bridge Construction

Industrial Building Construction, Fabricated Structural Metal Manufacturing, Ornamental and Architectural Metal Work Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing

Prefabricated Metal Building and Component Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Other Metal Container Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing

Industrial Building Construction, Commercial and Institutional Building Construction, Structural Steel and Precast Concrete Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Fabricated Structural Metal Manufacturing