Metal Heat Treating, All Other Miscellaneous Fabricated Metal Product Manufacturing, Farm Machinery and Equipment Manufacturing, Mining Machinery and Equipment Manufacturing, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

Aircraft Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Guided Missile and Space Vehicle Manufacturing, Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

Printed Circuit Assembly (Electronic Assembly) Manufacturing, Current-Carrying Wiring Device Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Hardware Manufacturing, Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing