Acal Electronics 
Manufacturers' representative for suppliers of electronic components, microsystems and power supplies for aerospace and defence industries.
http://www.acalelec.co.ukApplied Technology Associates 
Precision measurement, sensing and control products for U.S. Air Force, U.S. Army, and U.S. Missile Defense Agency.
http://www.aptec.com
Astronautics Corporation of America 
Design, manufacture, and maintenance of instruments, computers, displays, and components.
http://www.astronautics.com
Baker Hill Industries Inc. 
Precision machined components and assemblies for the aerospace, defense and commercial markets.
http://www.bakerhillindustries.com
Bruhn NewTech 
Hazard prediction warning and reporting software for both NBC battlefield and civil emergency environments.
http://www.bruhn-newtech.com
Composite Engineering Inc. 
Engineering and manufacturing of composite structures and components for aerospace, defense and industry. Design and manufacture of high performance unmanned aircraft.
http://compositeeng.com
Defence Science and Technology Laboratory 
Support source for science and technology for UK defence forces and government. Includes reports, services provided, history and FAQs.
http://www.dstl.gov.uk/
Design Intelligence Incorporated 
Advanced technical services and solutions to both government and commercial clients.
http://www.design-ii.com
DME Corp. 
Design and manufacture of aircraft and marine safety systems, test systems and training simulation products.
http://www.dmecorp.com/
DRS Technologies 
Supplier of defense electronic systems to government and commercial markets.
http://www.drs.com/
DSCI 
Sensors, simulation and modeling products to customers within the Department of Defense and commercial markets.
http://www.dsci.com
Duotech Services Inc. 
Depot repair facilities and remanufacturing services utilizing reverse engineering.
http://www.duotechservices.com/
DY 4 Systems Inc. 
Manufacturer of harsh environment system electronics.
http://www.dy4.com/
EFW Inc. 
Electronics supplier, specializing in hardware and software solutions for upgrade, integration and enhancement projects.
http://www.efw.com
ESL Defence Limited 
RF and Electro-Optic Stimulators and Flight Line Test Sets for military airborne applications.
http://www.esldefence.co.uk/
GET Engineering Corporation 
Manufacture of NTDS MIL-STD-1397 products including matrix switches, fiber-optic extenders and hardware adaptors.
http://www.getntds.com
Gleason Research Associates Inc. 
Scientific and engineering support to the US government in areas related to military research and development.
http://www.grainc.net
Gray Research, Inc. 
Technical and programmatic assistance to government (U.S. Department of Defense, NASA) and commercial customers.
http://www.gray-research.com
Ingenuity Research Corporation 
Provides systems engineers, software engineers and program managers for space and missile defense projects.
http://ingenuity.aero/
Kollsman, Inc. 
Avionics and electro-optic instrumentation and systems for aerospace, defense systems and medical instrumentation.
http://www.kollsman.com
Lektron, Inc. 
Manufacturer of assemblies and subassemblies for the defense and commercial industries.
http://www.lektron.com
MacAulay-Brown, Inc. 
Technical services in information warfare, electronic combat systems and C4I systems.
http://www.macb.com/
Martek Power Abbott Inc 
Design and manufacture military COTS and custom design power supplies. AC/DC, DC/DC and DC/AC power converters and inverters.
http://abbottelectronics.com/
Metric Systems Corporation 
Design and manufacture of electronic systems for operational control, distribution and signal monitoring for use in defense and aerospace environments.
http://www.metricsys.com
Microwave Dynamics 
Manufacturer of low noise, ultra-stable phase locked or free running dielectric resonator oscillators.
http://www.microwave-dynamics.com
Operational Solutions Management Pty Ltd 
Consulting, engineering and logistic services. Command decision aids and systems architecture for military businesses.
http://www.osm.net.au/
Pacific Electronic Enterprises 
Overhaul and repair of avionics equipment and electronic assemblies for F-16, F-5, F-15, C-130 and other aircraft / helicopter systems.
http://www.pacificelectronic.com/
RNB Technologies, Inc. 
Engineering services company providing support to the U.S. Joint, Navy, and Marine Corps acquisition commands.
http://www.rnbtechnologies.com
Roband Electronics plc 
Design, development and manufacture of electronic power supplies for the defence market.
http://www.roband.co.uk
Robinson Laboratories, Inc. 
Design and manufacture of microwave components and subassemblies including pin diode switches and attenuators.
http://www.roblab.com
Rockwell-Collins 
A supplier of aircraft electronics to the military.
http://www.rockwellcollins.com/
Saalex Solutions Inc. 
Scientific engineering, and technical support services for space, missile and information technology systems.
http://www.saalexsolutions.com
Spectrum Astro Incorporated 
Manufacturer of space-technology products including space vehicles and satellites for defense and commercial customers.
http://www.spectrumastro.com
TFD Group 
Analytical methods and software tools to support ship, aircraft, tank, missile and C3I programs.
http://www.tfdg.com/
Ultra Electronics Electrics Division 
High integrity switches, indicators, control handles, throttle handles and lighting systems for military aircraft cockpits and vehicles.
http://www.ultra-electrics.com/
Valador, Inc. 
An information architecture company using modeling and simulation, supported by advanced security concepts.
http://www.valador.com
VIPAC Engineers & Scientists Pty Ltd 
Test laboratories such as acoustic and climatic chambers, solar simulators, vibration rigs as well as field instrumentation and advanced Computer Aided Engineering.
http://www.vipac.com.au/aero_def/index.asp
Wide Band Systems Inc. 
Research, design, development and integration of advanced Electronic Warfare Systems and services.
http://www.widebandsystems.com
Wyvern Technologies 
Source of build to print electronics components for aerospace and defense contractors including US Navy, Army and Air Force.
http://wyverncorp.com/
Yüksek Teknoloji A.ª. 
Manufacturer of defence-related products, primarily aviation equipment and military electronic systems. [English/Türkçe]
http://www.yteas.com
VISSSIX 
Solid state electronic devices for avionics, communications, defense, space exploration and weapons systems.
http://www.visssix.com
CSA - Consultores de Sistemas de Aeronáutica 
Electronics and engineering support for aeronautics and defense industry.
http://www.csa-sa.com
Enertec 
Designs and produces high-end data storage, acquisition and processing systems for aerospace, defense and derived markets.
http://www.enertecgroup.com
Ontic Aerospace Manufacturing and Engineering 
Manufacturer of OEM licensed components and assemblies for aircraft.
http://www.ontic.com/
EG&G Technical Services 
Engineering and technology services focused on defense-related aviation and ground systems, command and control electronics systems and homeland defense.
http://www.egginc.com
Piper Group Plc 
Technical information services company; data management solutions for the aerospace and defence markets.
http://www.piper-group.com/
Ultra Eelectronics PMES 
Signature Management Systems, Transit Power Systems, Defence Power Systems and Navigation Data Systems.
http://www.ultra-pmes.com
Hymatic Engineering Company Limited 
Design and manufacture of fluid control systems, Stirling Engine Cryocoolers / Cryostats, Minicoolers and gas purity systems for civil and military markets.
http://www.hymatic.co.uk
Spectrum Sciences & Software Inc. 
Technical support, management and information technology services to U.S. Department of Defense and commercial customers.
http://www.specsci.com
Boldon James 
Messaging and connectivity software that complements COTS solutions for requirements of military message handling systems.
http://www.boldonjames.com/solutions/defence.htm
Microwave Solutions, Inc. 
Microwave and RF amplifier to the military, commercial and industrial markets.
http://www.microwavesolutions.com/
KVA Advanced Technologies, Inc. 
High-speed electronics and photonics systems, ordnance initiation including firesets and fuzes for exploding bridge wire, exploding foil initiators.
http://www.kva-inc.com
Tybrin Corporation 
Software engineering firm providing technology and engineering solutions to government and private industry.
http://www.tybrin.com
EDO Technical Services Operations 
Electronic warfare, flight test solutions, digital, RF/microwave and software engineering.
http://www.ailtso.com/
Blazeware, Inc. 
Software, hardware and systems engineering support services with emphasis on military C4I applications.
http://blazeware-inc.com
ATM Computer GmbH 
Military technology solutions, including command and control and weapon delivery systems.
http://www.atm-computer.de/b_systeme/e/
Tavira Engineering Services Limited 
Advice and support to aircraft and weapons programmes including safety cases for UK DOSG, implementation and reporting of aircraft and weapon trials.
http://www.btinternet.com/~Taviraengserltd/index.html
Northrop Grumman Defensive Systems Division 
Defense electronics systems to protect aircraft, ships, satellites and ground vehicles, precision targeting and navigation, weapon systems.
http://www.dsd.es.northropgrumman.com
MESH, Inc. 
Advanced engineering consulting services to military and commercial clients.
http://www.meshoxford.com
Sypris Data Systems 
Design, manufacture and support of high-performance data acquisition and storage systems for aerospace and defense industry.
http://www.syprisdatasystems.com
Research and Development Solutions Inc. 
Electronic warfare simulation and training systems.
http://www.rdsi.com
US Dynamics Corporation 
Approved depot repair facility supporting F-4, F-5, F-14, F-15, F-16, F-18 and T-38 aircraft.
http://www.usdynamicscorp.com
BVR Systems Ltd. 
Develops, manufactures and markets simulation systems for military applications. (Nasdaq: BVRS).
http://www.bvr.co.il/
Elron Electronic Industries Ltd. 
Manufacturer of defense electronics, information technology, software products, communication, medical devices and amorphous metals. (Nasdaq: ELRNF).
http://www.elron.com/
Inter-Tec Services Limited 
Stress engineering services to the aerospace industry, based in Ayrshire, Scotland. ISO9001 accredited.
http://www.inter-tec.co.uk
Perceptronics Solutions Inc. 
Real-time collaborative performance research and development for control and decision tasks in defense, security and emergency environments.
http://www.percsolutions.com
Mecaset (France) 
Mechanical engineering and fabrication services.
http://www.mecaset.com
Tao of Systems Integration, Inc., 
Defense and civil aeronautics research and electrical engineering.
http://www.taosystem.com
Syntronics LLC 
Projectile and missile guidance systems, night vision, forensic and telemetry equipment.
http://www.syntronics.net
CMC Electronics Inc 
Design and production of technology electronics products for the aviation and global positioning markets.
http://www.cmcelectronics.ca/
Technipower LLC 
Design, development and production of custom power ready systems, chassis and power supply products for defense related markets.
http://www.technipowerllc.com
Prime Power, Inc. 
Military grade power supply units.
http://www.prime-power.com/military-grade/
Distributed Instruments, LLC 
Sensor fusion servers and development tools.
http://www.distributedinstruments.com
KOR Electronics 
Electronic Warfare (EW), DFRM technology and Electronic Counter Measure/Target Simulators (ECMTS).
http://www.korelectronics.com
Pluribus International Corporation 
Analytical and engineering services to defense, security, and intelligence community markets.
http://www.pluribusinternational.com/
Copernio Corporation 
Custom IT solutions to commercial and military markets.
http://www.copernio.com
Scientific Research Corporation 
Leading-edge technology solutions.
http://www.scires.com
Microcomm-DSD Defence Systems Division 
A range of high tech defence systems for artillery applications.
http://www.microcomm-dsd.com
RSL Electronics, Ltd. 
Develops and manufactures control, health and usage management system and diagnostic solutions for commercial and defense aerospace applications.
http://www.rsl-electronics.com
Crystal Group Inc. 
Manufacturer and systems integrator for telecommunications and military installations.
http://www.crystalpc.com/index_military.asp
Fidelity Technologies Corporation 
Defense contractor offering military and aerospace systems and components, including manufacture of electronic and electromechanical parts, simulation systems, logistics support, and meteorological equipment.
http://www.fidelitytech.com
Princeton Microwave Technology Inc. 
Manufactures oscillator, Dielectric Resonators, power dividers, dro.
http://www.princetonmicrowave.com
Coherent Systems International Corp. 
Research, design and development of advanced electronic warfare, surveillance and radio frequency detection systems.
http://www.coherentsys-newtown.com/
North Star Systems, Inc. 
Electronic hardware design, software, and systems engineering
http://www.northstarsys.com
US Army C-E LCMC Software Engineering Center 
US Army Communications-Electronics Lifecycle Management Command Software Engineering Center.
http://www.sec.army.mil
RayTec Consulting 
Software and system engineering for the Australian defence industry.
http://www.raytec.com.au
Ingram Engineering Inc. 
Systems engineering, enterprise geospatial solutions, intelligence analysis, and technical services.
http://www.ingramenginc.com
Infowave (Thailand) Co., Ltd. 
Military battlespace analysis and mission planning tools, tactical-level constructive simulations for command post exercises (CPX).
http://www.waveman.com
Sanmina-SCI Corporation 
Electronic manufacturing services for defense and aerospace systems.
http://www.sanmina-sci.com/markets/def_aero.html
Shoghi Communications Ltd 
Encryption, signal analysis and surveillance solutions to defense industry, police forces and government.
http://www.shoghi.co.in/
Boldon James Ltd. 
Military message handling software for formal exchange of information whilst utilizing core COTS Microsoft technologies. Solutions used by military and defence customers in the USA, Europe and Asia Pacific regions.
http://www.boldonjames.com/
Professional Engineering Services Pty Ltd. 
Provision of professional engineering and project management services.
http://www.galanos.com.au
Electronic Associates, Inc. 
Manufacturer of commercial and military grade cable assemblies and wiring harnesses.
http://www.electronicassociates.us
TargetSim Limited 
Modelling, simulation and synthetic environment system development and research.
http://www.targetsim.co.uk
NIRCM 
Consultancy in infrared and electro-optic systems and countermeasures for military and civilian applications.
http://www.nircm.com
Stratign FZCO 
Strategic electronics for defense communications, encryption and COMINT/ SIGINT/ ELINT requirements.
http://www.stratign.com
AES Defence 
Condition Based Asset Management services to UK Armed Forces, specifically for automotive diesel engines, power transmissions, aero gas turbines and marine diesel engines.
http://www.aesgrp.com/defence.asp