Alkalies and Chlorine Manufacturing

Motor and Generator Manufacturing

Masonry Contractors

Industrial Machinery and Equipment Merchant Wholesalers

Commercial Gravure Printing

Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Military Armored Vehicle, Tank, and Tank Component Manufacturing, Fastener, Button, Needle, and Pin Manufacturing

Machine Shops

Machine Shops, Fluid Power Valve and Hose Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Other Commercial and Service Industry Machinery Manufacturing, All Other Miscellaneous General Purpose Machinery Manufacturing

All Other Specialty Trade Contractors, Other Fabricated Wire Product Manufacturing

Clay Refractory Manufacturing

Commercial and Institutional Building Construction

Other Aircraft Parts and Auxiliary Equipment Manufacturing

Relay and Industrial Control Manufacturing

General Freight Trucking, Local

Precision Turned Product Manufacturing, Small Arms Manufacturing, Cutting Tool and Machine Tool Accessory Manufacturing

All Other Specialty Trade Contractors

Institutional Furniture Manufacturing

Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

Power and Communication Line and Related Structures Construction, Electrical Contractors, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Wired Telecommunications Carriers

Mechanical Power Transmission Equipment Manufacturing, Other Engine Equipment Manufacturing, Ship Building and Repairing

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Asphalt Paving Mixture and Block Manufacturing

Steam and Air-Conditioning Supply, Commercial and Institutional Building Construction, Plumbing, Heating, and Air-Conditioning Contractors

Electronic Capacitor Manufacturing

Other Direct Selling Establishments