Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Current-Carrying Wiring Device Manufacturing, Noncurrent-Carrying Wiring Device Manufacturing, Aircraft Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

Aircraft Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

Aircraft Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Support Activities for Air Transportation, Data Processing, Hosting, and Related Services, All Other Information Services

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Aircraft Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Commercial Equipment Merchant Wholesalers

Audio and Video Equipment Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Surgical Appliance and Supplies Manufacturing, Sporting and Athletic Goods Manufacturing, Broom, Brush, and Mop Manufacturing

Fire escape, High Rise, High rise fire, fire safety

Aircraft Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

CABLEWARE DIVISON

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

Turbine and Turbine Generator Set Units Manufacturing, Aircraft Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers

NORTHROP GRUMMAN AEROSPACE SYSTEMS

Dried and Dehydrated Food Manufacturing, Hardware Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Mechanical Power Transmission Equipment Manufacturing

Machine Shops, Precision Turned Product Manufacturing, Aircraft Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Telephone Apparatus Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

Aircraft Manufacturing, Aircraft Engine and Engine Parts Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Boat Building, Mattress Manufacturing

Other Aircraft Parts and Auxiliary Equipment Manufacturing, Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers, Other Chemical and Allied Products Merchant Wholesalers, Other Support Activities for Air Transportation, Process, Physical Distribution, and Logistics Consulting Services

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Other Electronic Component Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Other Measuring and Controlling Device Manufacturing

Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Ball and Roller Bearing Manufacturing, Mechanical Power Transmission Equipment Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur

Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing