Power and Communication Line and Related Structures Construction, All Other Specialty Trade Contractors, Ammunition (except Small Arms) Manufacturing, Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing, Heavy Duty Truck Manufacturing

Small Arms Ammunition Manufacturing, Ammunition (except Small Arms) Manufacturing, Small Arms Manufacturing, Other Ordnance and Accessories Manufacturing, Nonscheduled Chartered Passenger Air Transportation

Explosives Manufacturing, Ammunition (except Small Arms) Manufacturing, Light Truck and Utility Vehicle Manufacturing, Guided Missile and Space Vehicle Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Iron and Steel Forging, Machine Shops, Metal Heat Treating, Ammunition (except Small Arms) Manufacturing, Turbine and Turbine Generator Set Units Manufacturing