Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing

Scale and Balance (except Laboratory) Manufacturing, All Other Miscellaneous Store Retailers (except Tobacco Stores)

Ball and Roller Bearing Manufacturing

Software Reproducing, Software Publishers, Custom Computer Programming Services

Metal Heat Treating

Heating Equipment (except Warm Air Furnaces) Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Packaging Machinery Manufacturing

Motor and Generator Manufacturing

Motor Vehicle Metal Stamping, 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

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Other Metal Container Manufacturing, Watch, Clock, and Part Manufacturing

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Electromedical and Electrotherapeutic Apparatus Manufacturing

Fabricated Pipe and Pipe Fitting Manufacturing

Aircraft Engine and Engine Parts Manufacturing

Electron Tube Manufacturing

Semiconductor and Related Device Manufacturing

Metal Stamping

Switchgear and Switchboard Apparatus Manufacturing

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Audio and Video Equipment Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur

Machine Shops