Machine Shops

Small Arms Ammunition Manufacturing

Commercial and Institutional Building Construction, Surgical Appliance and Supplies Manufacturing, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers, Engineering Services, Building Inspection Services

Hand and Edge Tool Manufacturing

Other Building Finishing Contractors, Curtain and Drapery Mills, Other Millwork (including Flooring), All Other Plastics Product Manufacturing, Metal Window and Door Manufacturing

Aircraft Manufacturing

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

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers, Other Electronic Parts and Equipment Merchant Wholesalers

Construction Sand and Gravel Mining, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers

All Other Specialty Trade Contractors, Relay and Industrial Control Manufacturing

Fabricated Structural Metal Manufacturing

Nursery and Tree Production, Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Light Truck and Utility Vehicle Manufacturing

Audio and Video Equipment Manufacturing, Furniture Merchant Wholesalers

Machine Shops, Automotive Parts and Accessories Stores, General Automotive Repair, Other Automotive Mechanical and Electrical Repair and Maintenance, All Other Automotive Repair and Maintenance

Surgical and Medical Instrument Manufacturing, Surgical Appliance and Supplies Manufacturing

Dental Equipment and Supplies Manufacturing, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers