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

test equipment, time code processing, signal processing

Power and Communication Line and Related Structures Construction, Electrical Contractors, Optical Instrument and Lens Manufacturing, Other Communications Equipment Manufacturing, Electronic Connector Manufacturing

Electronic Computer Manufacturing, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, All Other Miscellaneous Electrical Equipment and Component Manufacturing, Custom Computer Programming Services

Hardware Manufacturing, Optical Instrument and Lens Manufacturing, Heating Equipment (except Warm Air Furnaces) Manufacturing, Electronic Computer Manufacturing, Computer Storage Device Manufacturing

test, testers

Propulsion, Electric Traction, Electric Drives, Electric Actuators, Electric Sensors, Magnetic Systems, Propulsion Systems, Traction Controls, Embedded

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Analytical Laboratory Instrument Manufacturing

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

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Analytical Laboratory Instrument Manufacturing, Other Measuring and Controlling Device Manufacturing

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Analytical Laboratory Instrument Manufacturing, Other Measuring and Controlling Device Manufacturing

Water Supply and Irrigation Systems, Sewage Treatment Facilities, Electrical Contractors, Metal Heat Treating, All Other Industrial Machinery Manufacturing

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Printed Circuit Assembly (Electronic Assembly) Manufacturing, Other Electronic Component Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur

Support Activities for Oil and Gas Operations, Power and Communication Line and Related Structures Construction, Machine Shops, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Other Scientific and Technical Consulting Services

ULTRA ELECTRONICS SECURE INTELLIGENCE SYSTEMS, INC.

Construction Sand and Gravel Mining, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Computer Systems Design Services, Marketing Consulting Services

Electrical Contractors, All Other Specialty Trade Contractors, Hardware Manufacturing, Electronic Connector Manufacturing, Other Electronic Component Manufacturing

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Other Professional Equipment and Supplies Merchant Wholesalers

Electrical Contractors, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Other Electronic Parts and Equipment Merchant Wholesalers