- Aero Instruments and Avionics, Inc.
- Offers LRU testing, repair, and certification services. - AeroCore
- Cockpit aviation, avionics, rotables, & instrumentation supplies and parts. - Aerospace Engineering and Research Associates Inc
- Creator of Aeralib and other software products for air traffic control. - Aerotex International
- Offers extensive inventory of avionics, instruments, rotables, and consumables to corporate and regional airline industry. - AIM USA, Inc.
- Provides avionics databus solutions for MIL-STD-1553, ARINC-429, ARINC-629, and STANAG3910 for PC/ISA, PCI, VME, and VXI. - Aircraft Engineering & Installation Services
- Manufactures and installs avionics equipment including avionic retrofit kits, CCTV camera security, EGPWS, ACARS, RDR, and other flight management systems. - American Avionics
- Sells, services and installs a variety of avionics and instruments. - Amphitech International, Inc.
- Specialises in Obstacle Awareness Radar Systems. - Ampol Technologies Ltd.
- Professional PC-based solutions for monitoring, simulation, analysis and retrieval of popular avionics and custom data busses. Engineering units graphical displays, triggerring, storage, and more. - Archangel Avionics, Inc.
- Manufacturer of avionics equipment including moving maps, weather displays, flight planning, electronic flight instruments, air data, and more. - Autronics
- Designing and manufacturing custom electronic products for the commercial aircraft, defence, and aerospace industries. - Avionics Communications Inc.
- Books, software, seminars, market reports, databases, and videos for the avionics professional. - Avionics Sales Corporation
- Aircraft instrument repair, aviation electronics, avionics flight controls, aeroplane radio service, and more. Avionics Warehouse
- Sells surplus avionics equipment from air forces around the world.- AvionicsZone
- Parts, support, and solutions for new and legacy equipment. - BAE Systems North America
- Systems, defence, and aerospace contractor, combining skills in naval platforms, military aircraft, intelligent electronic systems, information technology, and systems engineering. - Baker Electronics, Inc.
- Manufactures cockpit audio control systems. - Ballard Technology, Inc.
- Manufacturer of avionics databus interface cards and software. MIL-STD-1553, ARINC 429, ARINC 629 and Space Shuttle databus are supported on IBM PC, VME, PCMCIA and IndustryPack computers. - Bevan-Rabell, Inc.
- Avionics repair station. Includes instrument panels, headsets, and handheld transceivers. - BFGoodrich Avionics Systems
- Manufacturer of avionics, lighting, and safety-related systems. - Chief Aircraft Inc.
- Offering parts, avionics, models, and aviation art. - Churchill Corporation
- Manufactures avionics enclosures (ARINC 404-ATR/600-MCU). CNC fabrication, machining along with design, painting and mechanical assembly of standard/custom aluminium products. - Cinch Connectors
- Manufactures interconnect products for use in the automotive, telecom, electronics, and military aerospace industries. - CM Computer
- Manufactures avionics ATR enclosures with VMEbus backplanes, and ruggedized VME modules. - CMC Electronics Inc.
- Designs, manufactures and sells avionics flight management and navigation systems, military radios, and other electronics products and services for the aerospace and military communications markets. - Condor Engineering, Inc.
- Test, simulation and interface solutions for MIL-STD-1553, ARINC 429 and other avionics protocols on PC, VME, VXI, PC/104, PCI and IndustryPack platforms. - Consolite Technology
- Manufacturer of specialised aircraft cockpit lighting equipment. - Control Sciences, Inc.
- Manufacturer of synchro and resolver converters for position measurement and control. - CRIMP A/S
- Development, production, and service of system solutions for civil aviation administrations worldwide. - Dallas Avionics, Inc.
- Distributor for test equipment, install supplies, and communication radios. Also offers calibration and repair services. - Data Device Corporation
- Manufacturer of Mil-Std-1553 data bus and Arinc 429/629 products, synchro/resolver converters, motor drives and controllers, and solid-state power controllers. - Delta Engineering L.P
 - DRS Technologies
- Supplier of defence electronic systems to government and commercial customers worldwide. - EAC North America, Inc.
- Consulting and engineering firm specialising in avionics retrofits and transport aviation. - Eastern Avionics International
- A comprehensive pilots guide to GPS, Headsets, and Avionics with reviews and tips. On Line Pilot Quiz, Buyers Club and Ordering. - Economy 2-Way Distributors Inc
- Distributor of two-way radio and test equipment sales and rental. - Excalibur Systems
- Manufacturers of avionics equipment, including test boards and interfaces. - Filser Electronic GmbH
- Develops and manufactures VHS radios, electronic variometers with GPS receivers for gliders, powered gliders and motor aeroplanes. - Freescan, Inc.
- Avionic dealership and repair station for all major companies. - Honeywell Commercial Aviation Systems
 - Howell Instruments
- Manufactures and distributes a diverse line of systems that fulfill the special requirements of many customers in military, commercial, and private aviation, as well as in various industrial processes. - Hypernetics
- Designs and manufactures electromagnetic digital wheel and flag failure indicators, and electromagnetic and fiberoptic wheel speed transducers for aircraft avionics and antiskid systems. - I.C. Engineering
- Digital field strength meter (DC-12GHz) for use in RFI/EMI, antennas, communications, RF surveillance, and more. - IFR Avionics
- Avionics engineering, installation and service centre, servicing corporate aircraft and helicopters in Van Nuys. - Innovative Solutions and Support
- Designs avionics products intended to upgrade or retrofit aircraft currently in use. - Instrument Tech Corp.
- Manufactures, distributes, repairs, and services instruments and avionics for the military, commercial, and general aviation market. - J.P. Instruments
- Manufacturer of engine data management systems including navigation, scanners, fuel flow, and more. - Kaiser Electronics
- Designer and manufacturer of precision avionics and vision systems for defence and aerospace applications. - Lafayette Avionics
- Sales and service company working on Piper Cubs through DC-9 airliners. - Lars Hallin AB
- Avionics, AM broadcast and NDB transmitters. - Left Hand Design Corporation
- Precision pointing systems and components to industrial, commercial and aerospace applications. - Litton Aero Products
- Designs and provides ARINC regulated navigation and guidance systems for commercial airlines, business aviation, and military air transport aircraft. - Malwin Electronics Corp.
- Maker of aircraft instrument simulation for military and commercial simulators. - MAS Avionics Services, Inc.
- Provides services to aircraft owners and operators specialising in the modification of existing aircraft avionics and navigation systems or the installation and certification of new ones. - Matronics
- Experimental aircraft products including fuel flow computers, electronic trim and flap controls, and digital instrument panels. - Max Technologies Inc.
- Provides multi-protocol test, simulation, and databus solutions with advance software for ARINC 429, MIL-STD-1553, and other avionics protocols. - Micro AeroDynamics
- Micro Vortex Generators for light aircraft. - Mopiens
- Air traffic control, navigation radio manufacturer in South Korea. - MPC Products Corporation
- Designs and produces eletromechanical modular devices including motors, position sensors, electronics, flight deck systems, and more. - Narco Avionics, Inc.
- Information on products, authorised dealers, and repair service. - P2 Aviation Technology
- Offering aircraft avionics and products for general aviation. - Pacific Coast Avionics
- Offers aircraft instruments, pilot supplies, books, test guides, installation tools and apparel. - RADA Electronic Industries
- Delivering avionics and test equipment technologies for commercial and military maintenance. - Reach Technologies
- Design and manufacture digital data recorders, error rate testers, and telemetry ingest H/W. - Rex Systems, Inc.
- Contract manufacturer of high reliability electronic spare/radar parts for the DOD, prime contractors, and foreign governments. - RF Imaging and Communications
- Buy and sell electronic test equipment and radio service monitors. - Rockwell Collins
- Developer of aviation electronics and communications for government and commercial applications. - Rocky Mountain Instrument
- Manufacturer of multi-function aircraft and engine monitoring instruments primarily for experimental aircraft. - RTX Systems
- Produces ARINC 429 test and simulation products. - Ryan International Corporation
- Specialising in solutions to aviation hazards. Maker of the TCAD (Traffic and Collision Alerting Device). - S-Tec Corporation
- Manufactures autopilots and avionics for general aviation aircraft. - Sabritec
- Manufacturer of special connectors, cable assemblies, and filter connectors. - SBS Avionics Technologies
- MIL-STD-1553 & ARINC 429 avionics databus products including PC104, PCI/cPCI, PMC, PCMCIA, and VMEbus backplanes. - SEAKR Engineering
- Manufactures solid state recorders, data processors, and digital signal processor boards for the spacecraft and avionics community. - Shadin Company Incorporated
- Designs and manufactures digital fuel and altitude management systems, airdata computers, fuel flow data converters, engine trend monitors, and custom instrumentation. - Sierra Nevada Corporation
- Research, development and manufacturing company. - Sigma-Tek - Augusta, KS
- Manufacturer of aircraft instruments, avionics, and accessories. - Smiths Aerospace
- Supplies systems used for the management, measurement, control and display of parameters essential to aircraft performance and land navigation. - Soundair, Inc.
- Offers aftermarket, repair, and services groups which assist with inventory management, flight deck windows, surplus material management, and more. - Southern Avionics Company
- Manufacturer of non-directional radiobeacons and associated products. Sycos
- Suppliers of avionics interface cards, support software, and associated electronic bus equipment.- Taskem Corporation
- Manufacture and sales of aircraft instruments including altimeters, altitude alerts, tachometers, gauges, indicators, and more. - Tech S.A.T GmbH
- Develops, produces, and markets avionics test, integration, and simulation systems. - Telair Electronique
- Offering avionics and autopilot sales, service, and installation, altimeter calibration, and more. - Thales
- Presentation de la societe Thomson CSF. Building electronics for military and civilian uses. Thales Avionics UK
- Maker of airborne satellite communications products and navigation systems. Ultra Electronics Holdings
- Specialises in electrical and electromechanical equipment and sub-systems for military and aviation applications.- UPS Aviation Technologies
- Produces avionics and displays for the airline industry. - Val Avionics
 - Victoria Avionics Ltd
- Offers a range of new and used avionics, test equipment, and military avionics.
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