Propulsion

Abyom SpaceTech is an Indian startup based in Hyderabad focused on developing advanced launch vehicle technology. The company is pioneering the develo...

Accion Systems develops compact electrospray propulsion systems for small satellites. The company's TILE propulsion modules provide efficient in-space...

Ad Astra Rocket Company, founded in 2005 and based in Webster, United States, is a spaceflight technology company specializing in advanced plasma prop...

Aerojet Rocketdyne, an L3Harris Technologies company, is a leading rocket propulsion manufacturer providing engines for NASA's Space Launch System, co...

Aerojet Rocketdyne Space Propulsion, founded in 1942 and headquartered in Sacramento, United States, is a leading developer of rocket engines and prop...

Aliena develops electric propulsion systems for small satellites. The Singapore-based company manufactures Hall-effect thrusters and provides propulsi...

UK simulation and analysis tools provider for space missions. ST Engineering subsidiary offering STK-based solutions and virtual reality for mission p...

Belgium-based ISO9001-EN9100 accredited additive manufacturing for aerospace. Portfolio includes rocket thrusters and RF antennae for Airbus, Safran, ...

Now Astra subsidiary. Develops Hall effect thrusters for small and medium satellites. Apollo Constellation Engine provides high-efficiency propulsion ...

ArianeGroup is a joint venture equally owned by Airbus and Safran, responsible for developing and producing the Ariane family of launch vehicles. The ...

ArianeGroup's propulsion division develops rocket engines for European launch vehicles including the Vulcain and Vinci engines. The company manufactur...

UK developer of Aurora 100% reusable two-stage small launch vehicle using methane propulsion. Targeting sub-$4,000/kg launch costs. Raised $600K+ with...

Finnish company developing water-based plasma thrusters and plasma brakes for deorbiting. Resistojet and plasma propulsion for small satellites. Auror...

Finnish startup pioneering the Aurora Plasma Brake propellant-free deorbiting solution using electrically charged microtethers for Coulomb drag. Recei...

China's premier aerospace university conducting extensive research in satellite technology, space systems, and aerospace engineering with strong CNSA ...

Bellatrix Aerospace is an Indian company developing green propulsion systems and small launch vehicles. The company focuses on water-based plasma thru...

Benchmark Space Systems develops green propulsion systems for small satellites. The company manufactures propulsion systems using non-toxic propellant...

Blue Origin is a private aerospace manufacturer and spaceflight services company founded by Amazon founder Jeff Bezos in 2000. Headquartered in Kent, ...

bluShift Aerospace, founded in 2014 and based in Brunswick, Maine, is a propulsion company focused on developing innovative rocket engines for the spa...

Swedish pioneer in high-performance green propulsion using ADN-based LMP-103S monopropellant. Delivered 19 flight-qualified systems for Planet's SkySa...

Bradford Space develops green propulsion and attitude control systems. Provides ECAPS HPGP thrusters and complete satellite platforms for defense and ...

Breakthrough Initiatives funds programs exploring the universe, including Breakthrough Starshot (interstellar travel) and Breakthrough Listen (SETI). ...

Busek develops electric propulsion systems for small satellites and spacecraft. The company manufactures Hall thrusters, electrospray thrusters, and R...

Busek Company, founded in 1985 and based in Natick, Massachusetts, specializes in the development of high-performance electric propulsion systems and ...

China Academy of Launch Vehicle Technology (CALT), established in 1957 and based in Beijing, is China’s primary contractor for launch vehicles. As a c...

Comat Aerospace, founded in 2000 and based in Flourens, France, is a company specializing in the development of propulsion systems for small satellite...

Postgraduate-only institution specializing in aerospace and defense, with extensive facilities for satellite testing, propulsion research, and space s...

CU Aerospace develops advanced propulsion systems for small satellites. Provides PPT thrusters and propulsion systems for CubeSats and microsatellites...

Turkish aerospace company specializing in hybrid rocket propulsion systems. Achieved world's first hybrid system ignited in space as second-stage engi...

Leidos subsidiary that developed ALPACA lunar lander for NASA HLS competition. Received $40.8M for sustainable HLS concepts development. Provides prop...

ECAPS AB (Ecological Advanced Propulsion Systems) specializes in High Performance Green Propulsion systems for satellites. The company developed LMP-1...

Electric Sky, founded in 2019 and based in Redmond, Washington, is a technology company focused on the development of wireless power beaming solutions...

World's largest aeronautical university, specializing in aerospace engineering, space physics, and planetary science with strong industry connections....

Enpulsion manufactures FEEP (Field Emission Electric Propulsion) thrusters for small satellites. The Austrian company provides high-efficiency electri...

Lunar infrastructure startup extracting liquid oxygen from regolith for spacecraft propellant and building hard-rock landing pads by melting moon dust...

Exos Aerospace, founded in 2014 and based in Caddo Mills, Texas, is a launch vehicle company focused on developing reusable suborbital launch vehicles...

ExoTerra develops electric propulsion and solar power systems for small spacecraft. Provides complete propulsion solutions for CubeSats and small sate...

Exotrail is a space service company that develops electric propulsion systems and orbital transfer vehicles for small satellites to enable agile space...

Frontier Aerospace, founded in 2006 and based in Simi Valley, California, is a propulsion company specializing in the development of storable bi-prope...

Georgia Tech's Daniel Guggenheim School of Aerospace Engineering is ranked #2 in the U.S., focusing on hypersonics, space systems design, satellite te...

Developer of world's lightest electric propulsion systems at 9.5-12 kW/kg power density. Y Combinator W21 graduate, raised $20M for 250kW integrated m...

Major Korean aerospace conglomerate's space division. Satellite development. Rocket engine manufacturing for KSLV. Space industry investment strategy....

i4is conducts research into the science and technology needed for interstellar travel. Explores advanced propulsion, starship design, and mission arch...

IHI Aerospace is a major Japanese rocket and missile manufacturer, producing solid rocket motors for JAXA's launch vehicles. The company supplies prop...

IHI Corporation is a major Japanese aerospace and industrial company manufacturing rocket engines and aerospace components. IHI produces the upper sta...

Indian Institute of Technology Bombay's Department of Aerospace Engineering is India's premier aerospace research institution with strong ISRO collabo...

Innospace is South Korea's first commercial launch provider, developing the Hanbit small satellite launch vehicle. The company achieved Korea's first ...

Intuitive Machines develops propulsion systems and lunar landers. The company's propulsion division creates advanced liquid rocket engines and attitud...

Korea Advanced Institute of Science and Technology is Asia's most innovative university with world-class aerospace engineering and satellite technolog...

Kawasaki Heavy Industries manufactures rocket fairings, payload adapters, and spacecraft structural components for JAXA. The company produces componen...

Khrunichev State Research Center, founded in 1916 and based in Moscow, Russia, is a major Russian manufacturer specializing in launch vehicles, spacec...

Now part of Vast. Pioneered 3D-printed copper rocket engine technology. E-2 engine uses regeneratively-cooled design. Orbiter space tug provides last-...

LinkSpace, founded in 2014 and based in Beijing, China, is a private aerospace company focused on the development and operation of launch vehicles and...

The Liquid Propulsion Systems Centre (LPSC) is a key constituent of the Indian Space Research Organisation (ISRO), operating under the Department of S...

Delivers mission software, cyber operations, signals intelligence processing, and systems engineering for classified satellite programs and space-base...

Massachusetts Institute of Technology's Department of Aeronautics and Astronautics is consistently ranked #1 globally for aerospace engineering, condu...

Moog Space, founded in 1951 and headquartered in Chatsworth, United States, is a key provider of solutions for the space industry, specializing in the...

Provides precision motion control components for spacecraft including reaction wheels, solar array drives, antenna positioning systems, and propulsion...

Morpheus Space develops electric propulsion systems for small satellites and in-space mobility. The company manufactures ion thrusters and provides pr...

Nammo is an international aerospace and defense company with over 3,700 employees across 27 production sites in 11 countries. The company provides roc...

Lithuanian small satellite manufacturer providing integrated propulsion solutions. EPSS propulsion system uses non-toxic green monopropellant. Part of...

Develops critical space propulsion systems, power generation for spacecraft, and communications technologies. Operates world-class space simulation fa...

NASA's largest organization of scientists and engineers, developing Earth observation satellites, space telescopes including Hubble and Webb, and plan...

NASA’s Marshall Space Flight Center, established in 1960 and located in Huntsville, Alabama, serves as the agency’s lead center for propulsion systems...

Neumann Space develops an in-space solid metal electric propulsion system that can use recycled space debris as fuel. Sustainable propulsion technolog...

German developer of SUPREME superconductor-based magnetoplasmadynamic thrusters scalable from 1kW to 1000kW. Uses propellants 1,000x cheaper than xeno...

ST Engineering subsidiary specializing in satellite modems and Dialog VSAT hubs, offering advanced DVB-S2X modulation and data rates up to 425 Mbps fo...

NPO Energomash, founded in 1929 and based in Khimki, Russia, is a leading rocket engine manufacturer specializing in the design, development, and prod...

NPO Lavochkin, founded in 1937 and based in Khimki, Russia, is a key player in the Russian space industry specializing in the design and manufacture o...

Orbit Fab is building the in-space refueling infrastructure to extend satellite operational life, advertising itself as "gas stations in space." The C...

Pale Blue develops water-based propulsion systems for small satellites. Provides safe, non-toxic propulsion using water as propellant for CubeSats and...

Penn State's Department of Aerospace Engineering focuses on propulsion systems, space systems engineering, and satellite technology with strong defens...

Phase Four is a leading provider of electric propulsion systems for small satellites, developing innovative radio-frequency thrusters that simplify sp...

Pratt & Whitney develops rocket propulsion systems through its Rocketdyne heritage. The company's RL10 engine has powered over 500 space missions and ...

Known as the 'Cradle of Astronauts,' Purdue's School of Aeronautics and Astronautics has produced 25 astronauts including Neil Armstrong. Excels in pr...

Purdue's Maurice J. Zucrow Laboratories is one of the largest academic propulsion labs in the world. Conducts rocket propulsion research and develops ...

Rafael Space Propulsion, a division of the larger Rafael Advanced Defense Systems founded in 1948 and headquartered in Haifa, Israel, develops space p...

Quebec-based company developing Aurora launch vehicle using eco-friendly hybrid propulsion with biopolymer fuel. Planning first orbital launch in 2028...

Rocket Crafters, founded in 2010 and based in Cocoa, Florida, is a propulsion company focused on the development of hybrid rocket motors. The company ...

Safran's space propulsion activities include development of rocket engines and spacecraft propulsion systems. The company contributes to European laun...

European leader in plasma propulsion with PPS Hall-effect thruster family. PPS1350 powered ESA's Smart-1 lunar probe. PPS5000 qualified for 20,000-hou...

Scorpius Space Launch, founded in 1999 and based in Torrance, California, specializes in the design, engineering, and production of advanced composite...

Ukrainian Hall-effect thruster manufacturer with ST-25 successfully demonstrated on EOS SAT-1 in 2023. Listed in NASA's State-of-the-Art Small Spacecr...

SITAEL is an Italian space company developing small satellite platforms and electric propulsion systems. The company provides complete small satellite...

Sitael Electric Propulsion, founded in 2014 and based in Bari, Italy, is a company focused on the design, development, and production of innovative so...

Israeli company developing electric plasma thrusters for satellite propulsion and space debris removal. Products include finger-sized nanoVAT and tenn...

Singapore-based company developing electric propulsion and satellite services for Southeast Asian market. Regional hub for space technology partnershi...

Stellar Exploration, Inc., founded in 2003 and based in San Luis Obispo, California, develops affordable rocket propulsion systems and miniaturized ae...

T4i, founded in 2014 and based in Padova, Italy, is a space technology company specializing in the development of propulsion systems for small satelli...

Israeli-American startup developing hybrid modular air-launched rocket propulsion systems with electric landing mechanism. Building cost-efficient reu...

Develops space tethers, in-space manufacturing systems, and deorbit devices. SpiderFab technology for building large structures in orbit. HYDROS water...

Texas A&M's Department of Aerospace Engineering ranks #10 nationally with strong programs in space systems, propulsion, and satellite communications. ...

ThrustMe develops electric propulsion systems for small satellites using iodine as propellant. The French company's systems provide efficient and comp...

Delft University of Technology's Faculty of Aerospace Engineering is Europe's largest and most comprehensive aerospace research institution with stron...

Ultra Safe Nuclear (USNC), founded in 2011 and based in Seattle, Washington, is a company focused on the development of nuclear thermal propulsion (NT...

CU Boulder's Smead Aerospace Engineering Sciences department receives more NASA funding than any other public university, leading research in satellit...

UIUC's Department of Aerospace Engineering excels in hypersonics, spacecraft design, and space propulsion research with strong ties to NASA and major ...

The University of Michigan's Department of Aerospace Engineering is ranked #6 nationally, conducting cutting-edge research in space systems, propulsio...

University of Stuttgart's Institute of Space Systems and Institute of Aircraft Design are leaders in satellite technology, space propulsion, and aeros...

Ursa Major Technologies is an American company developing and manufacturing rocket engines and propulsion systems. The company produces the Hadley ker...

USC's Department of Astronautical Engineering is one of the oldest in the nation, specializing in spacecraft design, orbital mechanics, and space miss...

The USC Space Engineering Research Center (SERC), established in 2012 as part of the USC Viterbi Department of Astronautical Engineering, is a leading...

VACCO Industries is a long-established designer and manufacturer of specialty fluid control products serving the defense, space, and commercial sector...

ISRO's lead center for rocket development. PSLV and GSLV development. Propulsion systems. Solid motor facilities. Heart of Indian launch vehicle progr...

Virginia Tech's Kevin T. Crofton Department of Aerospace and Ocean Engineering is ranked among the top 15 globally, specializing in hypersonics and sp...

Australian AI-optimized propulsion developer. Zephyr-M thruster reduces fuel costs 100x with 5x lower unit costs. Raised AUD $1.2M seed with six custo...

Astra Space is a launch services company focused on providing frequent, affordable access to space for small satellites. Founded in 2016 and headquart...

AVIO is an Italian aerospace company developing and operating the Vega family of launch vehicles. The company provides light-lift launch services from...

BWX Technologies (NYSE: BWXT) stands at the forefront of nuclear technology development for space exploration, playing a pivotal role in NASA's ambiti...

GE Aerospace provides space systems including power electronics, thermal management systems, and additive manufactured components for satellites and l...

Hanwha Aerospace is a major South Korean aerospace and defense company manufacturing rocket engines, aircraft components, and defense systems. The com...

Magellan Aerospace, founded in 1996 and headquartered in Mississauga, Canada, is a global aerospace manufacturer providing integrated products to the ...

Momentus Space, founded in 2017 and based in San Jose, California, is a company focused on providing in-space transportation services. Specifically, M...

Moog Inc. manufactures precision motion control components and systems for spacecraft. The company produces reaction wheels, solar array drives, propu...

MTU Aero Engines develops aerospace propulsion components and systems. The German company manufactures turbine components and supports European space ...

Parker Hannifin Space, a division of the century-old Parker Hannifin Corporation, focuses on the design and manufacture of critical components for the...

Rolls-Royce is a long-established engineering company headquartered in London, United Kingdom, with a core business focused on the development and pro...

Safran is a French multinational aerospace company founded in 2005, with a core focus on the development and delivery of technologies within the propu...

French aerospace conglomerate. Ariane 6 propulsion through ArianeGroup JV. Spacecraft equipment. Star trackers and navigation. Major European space su...

TransDigm designs and manufactures aerospace components including actuators, valves, and ignition systems used in launch vehicles and satellites. The ...

Woodward designs and manufactures control systems, fuel systems, and actuation components for aerospace applications including rocket engine controls ...

Ad Astra Rocket Company develops the VASIMR (Variable Specific Impulse Magnetoplasma Rocket) electric propulsion system. Founded by astronaut Franklin...

Additive Rocket Corporation (ARC), founded in 2018 and based in Henderson, United States, is a space company focused on the development of 3D printed ...

Aerojet Rocketdyne AR1, founded in 2015 and based in Sacramento, United States, is a company focused on the development of rocket propulsion systems a...

Agile Space Industries, founded in 2016 and based in Durango, United States, is a space technology company focused on the development of advanced prop...

Arkadia Space, founded in 2020 and based in Madrid, Spain, is a space company focused on the development of advanced propulsion systems. The company’s...

Atomos Nuclear and Space, founded in 2021 and based in London, United Kingdom, is a space technology company focused on the development of nuclear-pow...

Avalanche Energy, founded in 2018 and based in Seattle, Washington, is a space-focused company developing compact fusion devices. The company concentr...

Azista BST Aerospace, founded in 2016 and based in Hyderabad, India, is an aerospace company focused on the design, development, and manufacturing of ...

Dawn Aerospace is a New Zealand company developing reusable space planes and satellite propulsion systems. The company is flight testing the Mk-II Aur...

Dawn Aerospace's New Zealand operations focus on spaceplane development and testing. The company conducts flight tests of the Mk-II Aurora suborbital ...

Delta-V Space, founded in 2020 and based in Istanbul, Turkey, is a company focused on the development of propulsion systems for the space industry. Cu...

Destinus, founded in 2021 and based in Payerne, Switzerland, is an aerospace company focused on the development of hydrogen-powered hypersonic aircraf...

EPS Tech, founded in 2018 and located in Daejeon, South Korea, is a designer and provider of advanced embedded electronic systems. While initially est...

Eta Space develops cryogenic fluid management technology for in-space refueling. Building systems for long-duration storage of liquid hydrogen and oxy...

GATE Space is an Austrian startup developing modular chemical propulsion systems for small satellites and space missions. The company focuses on provi...

Helicity Space, founded in 2018 and based in Pasadena, California, is a propulsion technology company focused on developing fusion-powered systems for...

Hermeus develops hypersonic aircraft for military and commercial applications. Building reusable air-breathing hypersonic platforms for rapid global t...

HyImpulse Technologies GmbH is a German aerospace company focused on revolutionizing access to space by making it affordable and environmentally susta...

Hypernova Space Technologies is a Nigerian startup developing advanced propulsion systems for satellites. The company is working on electric and chemi...

Hypersonic Technology, founded in 2020 and based in Pretoria, South Africa, is a developing company focused on the research and development of advance...

Hypersonix Launch Systems, founded in 2019 and based in Brisbane, Australia, is an aerospace engineering company specializing in the development of hy...

Ienai Space, founded in 2019 and based in Madrid, Spain, is a space company focused on the development and manufacture of electric propulsion systems....

Impulse Space is developing in-space transportation services using orbital transfer vehicles to deliver satellites from rideshare drop-off orbits to t...

Founded in 2021 and based in Saclay, France, ION-X develops and markets ionic liquid electrospray thrusters specifically for the small satellite marke...

ISPTech, founded in 2020 and based in Munich, Germany, is a space propulsion company specializing in the development and manufacture of green in-space...

Kairospace, founded in 2020 and based in Daejeon, South Korea, is a company focused on the development of propulsion systems for the space industry. W...

Kreios Space develops Air-Breathing Electric Propulsion (ABEP) systems for Very Low Earth Orbit satellites. The system captures atmospheric air and co...

Launcher Space Services, a company under the Vast umbrella, is focused on providing launch services, specifically orbital deployment for small satelli...

LIA Aerospace is an Argentine aerospace company developing propulsion systems and space launch vehicles. The company created Zonda 1.0, the first biof...

Magdrive develops plasma propulsion systems for small satellites. The UK company manufactures electric thrusters providing high thrust and efficiency ...

Manastu Space, founded in 2017 and based in Mumbai, India, is a space technology company focused on addressing the growing challenges of space safety ...

Momentus Vigoride is an in-space services company founded in 2020 and based in San Jose, California. The company focuses on providing in-space transpo...

Odysseus Space, founded in 2020 and based in Houston, Texas, is a relatively new entrant into the in-space services sector. The company focuses on pro...

OhmSpace pioneers next-generation resistojet propulsion systems with novel 3D-printed resistive elements. Their technology delivers up to 70% better e...

Pangea Aerospace develops advanced propulsion systems for launch vehicles and spacecraft. Creating methalox rocket engines using aerospike nozzle tech...

Pulsar Fusion is developing nuclear fusion propulsion for deep space missions. The UK company also manufactures chemical rocket engines and is working...

Reaction Engines develops revolutionary aerospace propulsion including the SABRE air-breathing rocket engine. The UK company's technology enables sing...

Rocketeers Space, founded in 2020 and based in Hyderabad, India, is a propulsion-focused company serving the amateur, experimental, and potentially in...

SETS Space Electric Thruster, founded in 2018 and based in Dnipro, Ukraine, develops and manufactures Hall-effect electric propulsion systems for smal...

Skyborne Technologies, founded in 2019 and based in Atlanta, United States, is a space technology company focused on the development of nuclear therma...

Space Machines Company AU, founded in 2019 and based in Adelaide, Australia, is a developing provider of in-space services. The company is currently f...

SpaceForest, founded in 2016 and based in Gdynia, Poland, is a technology company specializing in the development and commercialization of advanced sy...

Spaceium, founded in 2023 and based in San Francisco, is a nascent space company focused on developing orbital refueling infrastructure. The company p...

SteamJet Space Systems, founded in 2017 and based in Delft, Netherlands, is a space technology company specializing in water-powered steam propulsion ...

Founded in 2019 and headquartered in Kent, Washington, Stoke Space Technologies is a launch vehicle company focused on developing fully reusable rocke...

TransAstra develops technologies for asteroid mining and space resource utilization. The company's Omnivore engine uses material found in space as pro...

Ultra Safe Nuclear Corporation develops nuclear power and propulsion systems for space applications. The company's technologies include compact nuclea...

Vaya Space (formerly Rocket Crafters) develops STAR-3D vortex hybrid engines using 3D-printed non-explosive thermoplastic fuel (99% recycled) and LOX,...

Venturi Lab is a relatively new Italian aerospace company, founded in 2021 and based in Naples, currently focused on the development of orbital launch...

Venus Aerospace develops high-speed point-to-point transportation including hypersonic spaceplanes. Building Mach 9 capable aircraft for rapid global ...

Wave Motion Launch is a newly established launch vehicle company founded in 2023 and based in San Francisco, California. The company is currently focu...

Zenno Astronautics, founded in 2020 and based in Auckland, New Zealand, is a space technology company focused on the development of advanced propulsio...

Zeno Power develops radioisotope power systems for space applications. The company's technology provides long-duration power for spacecraft and lunar/...

Asteroid mining company and propulsion developer. Comet water thrusters. Acquired by Bradford Space 2019. Transitioned to propulsion technology focus....

Launcher developed rocket engines and orbital transfer vehicles using 3D printing. Acquired by Vast in 2023 to support space station propulsion needs....

Michigan-based electric propulsion company developing Aurora Hall effect thrusters for small satellites. University of Michigan spin-off focused on lo...

Masten Space Systems developed vertical takeoff and landing vehicles and was selected for NASA's CLPS lunar program. The company filed for bankruptcy ...