61 Avionics & Components companies in United States

US space and defence technology company — builds space-based sensing payloads, optics and smallsat systems; legacy companies include Tethers Unlimited (Bothell, WA).

Colorado maker of flexible thin-film CIGS photovoltaic modules — targets space power, satellites, aerospace and UAV applications.

Employee-owned US engineering firm in San Diego — provides structural design, analysis and test services for spacecraft, launch vehicles and aircraft.

Huntsville materials firm — develops thermal-control coatings, optical property measurement instruments and space environment testing for spacecraft.

American spacecraft propulsion manufacturer — builds Hall effect, electrospray, RF ion and green monopropellant thrusters, incl. for NASA Gateway's PPE.

Develops software-defined phased array communications payloads for space and airborne platforms — builds multi-beam active phased array systems for defense, commercial and civil…

Florida aerospace and defense contractor — provides engineering, avionics, manufacturing and integration services for NASA and launch programmes.

Illinois aerospace R&D firm — develops CubeSat propulsion systems, plasma thrusters and aerospace technologies.

Missouri battery manufacturer — supplies batteries for satellites, launch vehicles and defence systems, with space heritage since Explorer 1.

Connecticut energetics manufacturer — supplies pyrotechnic separation systems, release mechanisms and ordnance for launch vehicles and spacecraft.

American electric propulsion maker — designs and produces Halo Hall-effect thruster modules for small satellites, including DARPA Blackjack spacecraft.

Virginia laser and electro-optics company — develops space lidar, laser communication terminals and photonics for NASA and defence.

American space electronics maker (formerly CAES Space Systems) — produces radiation-hardened microelectronics, power and RF components for spacecraft.

Builds AI-powered autonomous factories producing precision components for rockets, satellites, jets and drones — the Opus software platform enables Factories-as-a-Service for ae…

Connecticut fuel cell maker — develops PEM fuel cell and electrolyzer power systems for spacecraft, lunar missions and undersea vehicles.

American space avionics company — builds radiation-tolerant flight computers, crypto units, radios and data recorders for defence and commercial satellites.

New Jersey navigation manufacturer — builds inertial guidance, navigation and motion control systems used in launch vehicles and spacecraft.

Provides satellite connectivity solutions for mobile-on-the-move platforms — develops flat-panel electronically steerable antenna systems for vehicles, maritime vessels and avia…

Sixth-largest US defense contractor — provides space payloads, sensors, satellite intelligence, electronic warfare and communication systems for national security and commercial…

American engineering company in Ann Arbor — builds optical sensing and lidar systems, including end-to-end systems that have been deployed in space.

US space hardware maker — designs and builds deployable solar arrays (HaWK), antennas and mechanisms for small satellites and NASA missions.

American motion-control manufacturer — its Space and Defense group builds spacecraft propulsion, avionics, buses and launch vehicle actuation systems.

American small-satellite supplier — makes components, satellite kits and services, having supported over 100 small satellites in orbit.

Global aerospace, defence and space technology company delivering advanced systems and solutions.

American engineering company — develops life support and thermal control systems for crewed spacecraft, space stations and other extreme environments.

New Jersey aerospace engineering firm — develops spacecraft guidance and control software, simulation tools and fusion propulsion concepts.

American small satellite supplier — makes the CubeSat Kit, structures, solar arrays, flight computers and complete 1U to 12U satellite buses.

Global aerospace and defense conglomerate — provides space-based sensors, missile defense systems, satellite intelligence and propulsion via Collins Aerospace, Pratt & Whitney a…

US aerospace electronics firm — designs and builds telemetry, tracking and flight-safety avionics for launch vehicles and spacecraft.

Teledyne Technologies unit in Thousand Oaks — R&D and HgCdTe infrared focal-plane arrays used on NASA and ESA space missions.

US deployable structures company — designs and builds large deployable reflector antennas and booms for spacecraft, including SAR satellites.

US maker of specialty valves, filters and propulsion systems — supplies space propulsion hardware including CubeSat propulsion units; part of RBC Bearings.

Texas semiconductor company — supplies radiation-hardened microcontrollers and memory for spacecraft and harsh environments.

US space communications firm — builds software-defined radios and transponders for small satellites and CubeSats.

US space computing startup — builds radiation-tolerant edge computers (e.g. AetherNxN) for on-orbit data processing on satellites.

Develops hypergolic in-space propulsion systems for small satellites, lunar landers and orbital transfer vehicles — provides flight-proven, non-toxic storable propellant thruste…

US semiconductor company — makes GaN-on-diamond power amplifiers and satellite radios for spacecraft communications, plus diamond-cooled electronics.

American space hardware startup spun out of CU Boulder — develops modular smart electrical power systems for spacecraft.

American composites company — develops Light Wing retractable solar arrays and Space Armor debris-shielding tiles for satellites.

Full life-cycle in-space mobility provider — develops green chemical, electric and hybrid propulsion systems for CubeSats through ESPA-class spacecraft in LEO, GEO and beyond.

American in-space manufacturing startup — develops the Modular Space Foundry for metal processing in orbit and power processing units for satellites.

San Francisco startup building unified flight software, simulation tools and avionics hardware for satellites, drones and defense systems.

Develops low-cost, high-performance propulsion systems for lunar landers, orbital transfer vehicles and deep space missions — produces monopropellant and bipropellant thrusters …

Seattle startup developing metamaterial-based, electronically steered spaceborne radar payloads for moving-target tracking.

Manufactures advanced composite structures and components for space launch vehicles and satellites — produces rocket nosecones, fairings, structural assemblies and thermal prote…

American space solar company spun out of Sandia — produces DragonScales flexible silicon solar modules for satellite constellations.

Michigan propulsion startup — designs and mass-produces Hall-effect plasma thruster systems for small satellites and constellations.

Develops radio frequency (RF) plasma electric propulsion systems for small satellites — the Maxwell thruster provides scalable, propellant-free in-space propulsion for LEO const…

Virginia navigation startup — commercialises NASA-derived navigation Doppler lidar for precision landing of lunar landers and aircraft.

American propulsion startup spun out of Plasma Processes — builds green-propellant (ASCENT) thrusters and propulsion systems for small satellites.

American space domain awareness company — builds onboard optical sensors and autonomy software for in-orbit inspection and tracking of space objects.

American optical communications company — builds laser communication terminals for satellites, including SDA constellation spacecraft; acquired by IonQ in 2025.

American space solar startup — manufactures ultrathin, radiation-tolerant self-healing silicon solar cells and modules for satellites in Tempe, Arizona.

Develops space-based nuclear power systems using radioisotope thermoelectric generators (RTGs) from nuclear waste — provides persistent power for satellites, lunar bases and dee…

University of New Mexico aerospace research centre — works on small satellites, space networking, radiation effects and space cybersecurity.

American non-profit engineering laboratory — develops guidance, navigation and control systems and avionics for NASA, lunar landers and national security space.

US non-profit applied R&D organisation — its space science and engineering divisions lead NASA missions and build spacecraft instruments.

Utah State University-owned University Affiliated Research Center — builds small satellites, space sensors and payloads for US defence and NASA missions.

Caltech laboratory building cosmic-ray and energetic-particle instruments for space missions such as ACE, STEREO, Voyager and Parker Solar Probe.

UT Dallas space physics centre — designs and flies ionospheric plasma instruments on satellites and sounding rockets and analyses space-weather data.

US Department of the Air Force research lab — leads air and space science and technology, including space vehicles R&D, for the Air and Space Forces.