Adcole	Sun Sensors for Space Grade
Aero Express	Test Equipment
Aerosonics	Avionics
Aerotek	Circulator and Isolators
A-Info	RF & Microwave Products
AMC – American Microwave Corp	RF and Microwave Active   Sub-Systems and Components
Ameriking	Digitizers/Digital Encoders
Archangel Systems	Airborne Reference Systems (AHRS)
Astron	Power Supplies
ATM - Advanced Technical Materials	Microwave & Components & Sub-Systems
Avens Signal	Electronic Filters
Avtech	Selcal and Audio Airborne Systems
Behlman	Power supplies
Benthos (A Teledyne company)	Underwater Electronics, Sonar, ROV
Brandner	Power Supplies & DC/DC Converters
Bycan Systems	Battery Charges & Power Supplies
C.S.I. Technologies Inc	High Voltage and Discharge Capacitors
Current Power	DC High Power Supplies
Dataradio	Data Transceivers & Modems
Desertstar	Underwater Acoustic Systems
DTC	CCD Cameras
EIM	Avionics
Emhiser Research/Filtek	Duplexers & Filters
ETA - USA	Power Supplies – AC/DC, DC/DC
Fabrimex	Power Supplies – AC/DC, DC/DC
FCX Systems	DC High Power Supply, Frequency Converter
Gemelli	Airborne Intercoms
Gichner Shelters Systems	Communications & EW shelters
Glassman High Voltage Inc	High Voltage Power Supplies
Glocal Satellites	Satellite Communication Equipment
Gorzi Group	Power products
Grintek	Radios & Antennas-Airborne & Ground
Hannay Reels	Cable & Hoses Reels
HRT	RF & Microwave Equip
Hyfral	RF Absorbing Materials
Instec	EMI/RFI Filters
Jaybeam Wireless (MAT Equipment /CSA wireless)	Mobile, Ground & Cellular Antennas
JETS	Avionics
Jotron	Ground to Air Radios, Strobe Lights, Emergency Beacons and Survival Equipment
Litef  (Northrop Grumman Holding)	AHRS
Lockheed Martin Sippican	Naval Communication & Navigation Antennas
Logus	Microwave & RF Switches, RF Cable Assemblies
MAS Avionics	Avionics Services and AIrcraft Modifications
MID Continent Instruments	Avionics
Mikrotechna	Flight Instruments
MOOG - Aircraft Group	TACAN, Ground
MPDevice	RF& Microwave Products
MWT- Milimeter Wave Tech	Microwave and MM Waves Reflectometers, Absorbing Materials & Fabric
Nexyn	DRO & PLDRO, Synthesizers
NSSL	Inmarsat Service Provider-Air Time
Pamtech	Microwave Ferrite Devices
Penta Labs	Electron Microwave and Radar Tubes
Phoenix Aerospace	Static Inverters & Converters, Voltage Regulator
Photon Energy Systems	Solar Cells and Modules
PMI - Planar Monolithics Industries	RF & Microwaves Amplifiers RF & Microwaves Filters
Pointer	ELT's
Powerstax	Power supply – AC/DC, DC/DC
Powertron	Power Supplies
Prosistel Towers	Antennas Rotators
R.C. Allen	Flight Instruments
Ramsey	Test Equipment & RF Anechoic Chambers, RF Spectrum Analyzers
Relm	Airborne radio
Resotech	Oscillators & SDRLS
Ross Engineering	HV Voltage equip
Roswin	Ceramic Filters
Selex (ex-Finmeccanica, Marconi, Alenia & ElmeR)	Tactical Communication & Navigation Equipment
Seven Associates	Semi-Rigid Cable IR soldering Machines
Sensor Systems	Aireborne Antennas
Shadin	Avionics Interface Adaptors
Silicon Sensing	Magnetic Rate Sensors, Gyros, Inertial Systems, MMEMS
Sierra Nevada Corp	Mobile Air Towers
Siepel	Anechoic Chambers and Screen/ Shielded rooms
Sunwize	Solar Energy Systems
Teletronics	Microwave AMPS
Temwell	RF & Microwave Equipment
Thrane & Thrane (ex Nera Satcom)	Inmarsat Satcom Terminals and Telephones
TIC - Tel Instruments Corp	Avionic Test Equip
Total Power	Power Supplies
TPL Communication	RF Amplifiers, Repeaters and Mobile Radio Adapters
True Heading	AIS Systems
T-Tech	RF & Microwave PCB Manufacturing Machines
United Instruments	Flight Instruments
Universal Switching	RF Switching Systems