Highway, Street, and Bridge Construction, Roofing Contractors, Painting and Wall Covering Contractors, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Industrial Machinery and Equipment Merchant Wholesalers

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Small Arms Ammunition Manufacturing, Small Arms Manufacturing

Machine Shops

Fabricated Structural Metal Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Other Metal Container Manufacturing, Precision Turned Product Manufacturing, Fabricated Pipe and Pipe Fitting Manufacturing

Steel Wire Drawing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Fabricated Structural Metal Manufacturing, Industrial Pattern Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Other Metalworking Machinery Manufacturing

All Other Miscellaneous Fabricated Metal Product Manufacturing

Iron Foundries, Steel Foundries (except Investment), Machine Shops, Storage Battery Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

Sheet Metal Work Manufacturing, Other Metal Container Manufacturing, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers

Construction Machinery Manufacturing, Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing, General Automotive Repair, Other Automotive Mechanical and Electrical Repair and Maintenance

Logging, Soil Preparation, Planting, and Cultivating, Crop Harvesting, Primarily by Machine, Support Activities for Forestry, All Other Specialty Trade Contractors

Plumbing Fixture Fitting and Trim Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers, Service Establishment Equipment and Supplies Merchant Wholesalers

Plumbing, Heating, and Air-Conditioning Contractors, Industrial Gas Manufacturing, Plastics Pipe and Pipe Fitting Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, All Other Miscellaneous Fabricated Metal Product Manufacturing

Hardware Manufacturing, Machine Shops, Precision Turned Product Manufacturing, Aircraft Engine and Engine Parts Manufacturing

Flat Glass Manufacturing, Other Pressed and Blown Glass and Glassware Manufacturing, Glass Product Manufacturing Made of Purchased Glass, Metal Window and Door Manufacturing, Ornamental and Architectural Metal Work Manufacturing

Commercial Screen Printing, Photographic Film, Paper, Plate, and Chemical Manufacturing, Flat Glass Manufacturing, Glass Product Manufacturing Made of Purchased Glass, Machine Shops

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Electroplating, Plating, Polishing, Anodizing, and Coloring