Propulsion

Abyom SpaceTech is an Indian startup based in Hyderabad focused on developing advanced launch vehicl…

Accion Systems develops compact electrospray propulsion systems for small satellites. The company's …

Ad Astra Rocket Company, founded in 2005 and based in Webster, United States, is a spaceflight techn…

Aerojet Rocketdyne, an L3Harris Technologies company, is a leading rocket propulsion manufacturer pr…

Aliena develops electric propulsion systems for small satellites. The Singapore-based company manufa…

UK simulation and analysis tools provider for space missions. ST Engineering subsidiary offering STK…

Belgium-based ISO9001-EN9100 accredited additive manufacturing for aerospace. Portfolio includes roc…

Now Astra subsidiary. Develops Hall effect thrusters for small and medium satellites. Apollo Constel…

ArianeGroup is a joint venture equally owned by Airbus and Safran, responsible for developing and pr…

ArianeGroup's propulsion division develops rocket engines for European launch vehicles including the…

UK developer of Aurora 100% reusable two-stage small launch vehicle using methane propulsion. Target…

Finnish company developing water-based plasma thrusters and plasma brakes for deorbiting. Resistojet…

China's premier aerospace university conducting extensive research in satellite technology, space sy…

Bellatrix Aerospace is an Indian company developing green propulsion systems and small launch vehicl…

Benchmark Space Systems develops green propulsion systems for small satellites. The company manufact…

Blue Origin is a private aerospace manufacturer and spaceflight services company founded by Amazon f…

bluShift Aerospace, founded in 2014 and based in Brunswick, Maine, is a propulsion company focused o…

Swedish pioneer in high-performance green propulsion using ADN-based LMP-103S monopropellant. Delive…

Bradford Space develops green propulsion and attitude control systems. Provides ECAPS HPGP thrusters…

Breakthrough Initiatives funds programs exploring the universe, including Breakthrough Starshot (int…

Busek Company, founded in 1985 and based in Natick, Massachusetts, specializes in the development of…

China Academy of Launch Vehicle Technology (CALT), established in 1957 and based in Beijing, is Chin…

Comat Aerospace, founded in 2000 and based in Flourens, France, is a company specializing in the dev…

Cranfield University Space, a division of Cranfield University established in 1946, focuses on aeros…

CU Aerospace develops advanced propulsion systems for small satellites. Provides PPT thrusters and p…

Turkish aerospace company specializing in hybrid rocket propulsion systems. Achieved world's first h…

Leidos subsidiary that developed ALPACA lunar lander for NASA HLS competition. Received $40.8M for s…

ECAPS AB (Ecological Advanced Propulsion Systems) specializes in High Performance Green Propulsion s…

Electric Sky, founded in 2019 and based in Redmond, Washington, is a technology company focused on t…

World's largest aeronautical university, specializing in aerospace engineering, space physics, and p…

Enpulsion manufactures FEEP (Field Emission Electric Propulsion) thrusters for small satellites. The…

Lunar infrastructure startup extracting liquid oxygen from regolith for spacecraft propellant and bu…

Exos Aerospace, founded in 2014 and based in Caddo Mills, Texas, is a launch vehicle company focused…

ExoTerra develops electric propulsion and solar power systems for small spacecraft. Provides complet…

Exotrail is a space service company that develops electric propulsion systems and orbital transfer v…

Frontier Aerospace, founded in 2006 and based in Simi Valley, California, is a propulsion company sp…

Georgia Tech's Daniel Guggenheim School of Aerospace Engineering is ranked #2 in the U.S., focusing …

Developer of world's lightest electric propulsion systems at 9.5-12 kW/kg power density. Y Combinato…

i4is conducts research into the science and technology needed for interstellar travel. Explores adva…

IHI Aerospace is a major Japanese rocket and missile manufacturer, producing solid rocket motors for…

IHI Corporation is a major Japanese aerospace and industrial company manufacturing rocket engines an…

Indian Institute of Technology Bombay's Department of Aerospace Engineering is India's premier aeros…

Innospace is South Korea's first commercial launch provider, developing the Hanbit small satellite l…

Intuitive Machines develops propulsion systems and lunar landers. The company's propulsion division …

Korea Advanced Institute of Science and Technology is Asia's most innovative university with world-c…

Kawasaki Heavy Industries manufactures rocket fairings, payload adapters, and spacecraft structural …

Khrunichev State Research Center, founded in 1916 and based in Moscow, Russia, is a major Russian ma…

Now part of Vast. Pioneered 3D-printed copper rocket engine technology. E-2 engine uses regenerative…

LinkSpace, founded in 2014 and based in Beijing, China, is a private aerospace company focused on th…

The Liquid Propulsion Systems Centre (LPSC) is a key constituent of the Indian Space Research Organi…

Delivers mission software, cyber operations, signals intelligence processing, and systems engineerin…

Massachusetts Institute of Technology's Department of Aeronautics and Astronautics is consistently r…

Provides precision motion control components for spacecraft including reaction wheels, solar array d…

Morpheus Space develops electric propulsion systems for small satellites and in-space mobility. The …

Nammo is an international aerospace and defense company with over 3,700 employees across 27 producti…

Lithuanian small satellite manufacturer providing integrated propulsion solutions. EPSS propulsion s…

Develops critical space propulsion systems, power generation for spacecraft, and communications tech…

NASA's largest organization of scientists and engineers, developing Earth observation satellites, sp…

NASA’s Marshall Space Flight Center, established in 1960 and located in Huntsville, Alabama, serves …

Neumann Space develops an in-space solid metal electric propulsion system that can use recycled spac…

German developer of SUPREME superconductor-based magnetoplasmadynamic thrusters scalable from 1kW to…

NPO Energomash, founded in 1929 and based in Khimki, Russia, is a leading rocket engine manufacturer…

NPO Lavochkin, founded in 1937 and based in Khimki, Russia, is a key player in the Russian space ind…

Orbion Space Technology is an electric propulsion manufacturer headquartered in Houghton, Michigan, …

Orbit Fab is building the in-space refueling infrastructure to extend satellite operational life, ad…

Pale Blue develops water-based propulsion systems for small satellites. Provides safe, non-toxic pro…

Penn State's Department of Aerospace Engineering focuses on propulsion systems, space systems engine…

Phase Four is a leading provider of electric propulsion systems for small satellites, developing inn…

Pratt & Whitney develops rocket propulsion systems through its Rocketdyne heritage. The company's RL…

Known as the 'Cradle of Astronauts,' Purdue's School of Aeronautics and Astronautics has produced 25…

Purdue's Maurice J. Zucrow Laboratories is one of the largest academic propulsion labs in the world.…

Rafael Space Propulsion, a division of the larger Rafael Advanced Defense Systems founded in 1948 an…

Quebec-based company developing Aurora launch vehicle using eco-friendly hybrid propulsion with biop…

Rocket Crafters, founded in 2010 and based in Cocoa, Florida, is a propulsion company focused on the…

Safran's space propulsion activities include development of rocket engines and spacecraft propulsion…

European leader in plasma propulsion with PPS Hall-effect thruster family. PPS1350 powered ESA's Sma…

Scorpius Space Launch, founded in 1999 and based in Torrance, California, specializes in the design,…

Ukrainian Hall-effect thruster manufacturer with ST-25 successfully demonstrated on EOS SAT-1 in 202…

SITAEL is an Italian space company developing small satellite platforms and electric propulsion syst…

Sitael Electric Propulsion, founded in 2014 and based in Bari, Italy, is a company focused on the de…

Israeli company developing electric plasma thrusters for satellite propulsion and space debris remov…

Singapore-based company developing electric propulsion and satellite services for Southeast Asian ma…

Stellar Exploration, Inc., founded in 2003 and based in San Luis Obispo, California, develops afford…

T4i, founded in 2014 and based in Padova, Italy, is a space technology company specializing in the d…

Israeli-American startup developing hybrid modular air-launched rocket propulsion systems with elect…

Amergint Space, now operating as part of ARKA AMERGINT Technologies, is a Bothell, Washington-based …

Texas A&M's Department of Aerospace Engineering ranks #10 nationally with strong programs in space s…

ThrustMe develops electric propulsion systems for small satellites using iodine as propellant. The F…

Delft University of Technology's Faculty of Aerospace Engineering is Europe's largest and most compr…

Ultra Safe Nuclear (USNC), founded in 2011 and based in Seattle, Washington, is a company focused on…

CU Boulder's Smead Aerospace Engineering Sciences department receives more NASA funding than any oth…

UIUC's Department of Aerospace Engineering excels in hypersonics, spacecraft design, and space propu…

The University of Michigan's Department of Aerospace Engineering is ranked #6 nationally, conducting…

University of Stuttgart's Institute of Space Systems and Institute of Aircraft Design are leaders in…

Ursa Major is a privately held liquid rocket engine manufacturer based in Berthoud, Colorado, founde…

USC's Department of Astronautical Engineering is one of the oldest in the nation, specializing in sp…

The USC Space Engineering Research Center (SERC), established in 2012 as part of the USC Viterbi Dep…

VACCO Industries is a long-established designer and manufacturer of specialty fluid control products…

ISRO's lead center for rocket development. PSLV and GSLV development. Propulsion systems. Solid moto…

Virginia Tech's Kevin T. Crofton Department of Aerospace and Ocean Engineering is ranked among the t…

Australian AI-optimized propulsion developer. Zephyr-M thruster reduces fuel costs 100x with 5x lowe…

Astra Space is a launch services company focused on providing frequent, affordable access to space f…

AVIO is an Italian aerospace company developing and operating the Vega family of launch vehicles. Th…

BWX Technologies (NYSE: BWXT) stands at the forefront of nuclear technology development for space ex…

GE Aerospace provides space systems including power electronics, thermal management systems, and add…

Hanwha Aerospace is a major South Korean aerospace and defense company manufacturing rocket engines,…

Magellan Aerospace, founded in 1996 and headquartered in Mississauga, Canada, is a global aerospace …

Momentus is a commercial space company providing in-space infrastructure services including orbital …

Moog Space, founded in 1951 and headquartered in Chatsworth, United States, is a key provider of sol…

MTU Aero Engines develops aerospace propulsion components and systems. The German company manufactur…

Parker Hannifin Space, a division of the century-old Parker Hannifin Corporation, focuses on the des…

Rolls-Royce is a long-established engineering company headquartered in London, United Kingdom, with …

Safran is a French multinational aerospace company founded in 2005, with a core focus on the develop…

French aerospace conglomerate. Ariane 6 propulsion through ArianeGroup JV. Spacecraft equipment. Sta…

TransDigm designs and manufactures aerospace components including actuators, valves, and ignition sy…

Woodward designs and manufactures control systems, fuel systems, and actuation components for aerosp…

Additive Rocket Corporation (ARC), founded in 2018 and based in Henderson, United States, is a space…

Aerojet Rocketdyne AR1, founded in 2015 and based in Sacramento, United States, is a company focused…

Agile Space Industries, founded in 2016 and based in Durango, United States, is a space technology c…

Arkadia Space, founded in 2020 and based in Madrid, Spain, is a space company focused on the develop…

Atomos Nuclear and Space, founded in 2021 and based in London, United Kingdom, is a space technology…

Avalanche Energy, founded in 2018 and based in Seattle, Washington, is a space-focused company devel…

Azista BST Aerospace, founded in 2016 and based in Hyderabad, India, is an aerospace company focused…

Dawn Aerospace is a New Zealand company developing reusable space planes and satellite propulsion sy…

Dawn Aerospace's New Zealand operations focus on spaceplane development and testing. The company con…

Delta-V Space, founded in 2020 and based in Istanbul, Turkey, is a company focused on the developmen…

Destinus, founded in 2021 and based in Payerne, Switzerland, is an aerospace company focused on the …

EPS Tech, founded in 2018 and located in Daejeon, South Korea, is a designer and provider of advance…

Eta Space develops cryogenic fluid management technology for in-space refueling. Building systems fo…

GATE Space is an Austrian startup developing modular chemical propulsion systems for small satellite…

Helicity Space, founded in 2018 and based in Pasadena, California, is a propulsion technology compan…

Hermeus is developing hypersonic aircraft capable of Mach 5+ speeds, dramatically reducing flight ti…

HyImpulse Technologies GmbH is a German aerospace company focused on revolutionizing access to space…

Hypernova Space Technologies is a Nigerian startup developing advanced propulsion systems for satell…

Hypersonic Technology, founded in 2020 and based in Pretoria, South Africa, is a developing company …

Hypersonix Launch Systems, founded in 2019 and based in Brisbane, Australia, is an aerospace enginee…

Ienai Space, founded in 2019 and based in Madrid, Spain, is a space company focused on the developme…

Impulse Space is developing in-space transportation services using orbital transfer vehicles to deli…

Founded in 2021 and based in Saclay, France, ION-X develops and markets ionic liquid electrospray th…

ISPTech, founded in 2020 and based in Munich, Germany, is a space propulsion company specializing in…

Kairospace, founded in 2020 and based in Daejeon, South Korea, is a company focused on the developme…

Kreios Space develops Air-Breathing Electric Propulsion (ABEP) systems for Very Low Earth Orbit sate…

Launcher Space Services, a company under the Vast umbrella, is focused on providing launch services,…

LIA Aerospace is an Argentine aerospace company developing propulsion systems and space launch vehic…

Magdrive develops plasma propulsion systems for small satellites. The UK company manufactures electr…

Manastu Space, founded in 2017 and based in Mumbai, India, is a space technology company focused on …

Momentus Vigoride is an in-space services company founded in 2020 and based in San Jose, California.…

Odysseus Space, founded in 2020 and based in Houston, Texas, is a relatively new entrant into the in…

OhmSpace pioneers next-generation resistojet propulsion systems with novel 3D-printed resistive elem…

Pangea Aerospace develops advanced propulsion systems for launch vehicles and spacecraft. Creating m…

Portal Space Systems is a spacecraft and propulsion startup headquartered in Bothell, Washington, de…

Pulsar Fusion is developing nuclear fusion propulsion for deep space missions. The UK company also m…

Reaction Engines develops revolutionary aerospace propulsion including the SABRE air-breathing rocke…

Rocketeers Space, founded in 2020 and based in Hyderabad, India, is a propulsion-focused company ser…

SETS Space Electric Thruster, founded in 2018 and based in Dnipro, Ukraine, develops and manufacture…

Skyborne Technologies, founded in 2019 and based in Atlanta, United States, is a space technology co…

Space Machines Company AU, founded in 2019 and based in Adelaide, Australia, is a developing provide…

SpaceForest, founded in 2016 and based in Gdynia, Poland, is a technology company specializing in th…

Spaceium, founded in 2023 and based in San Francisco, is a nascent space company focused on developi…

SteamJet Space Systems, founded in 2017 and based in Delft, Netherlands, is a space technology compa…

TransAstra develops technologies for asteroid mining and space resource utilization. The company's O…

Vaya Space (formerly Rocket Crafters) develops STAR-3D vortex hybrid engines using 3D-printed non-ex…

Venturi Lab is a relatively new Italian aerospace company, founded in 2021 and based in Naples, curr…

Venus Aerospace develops high-speed point-to-point transportation including hypersonic spaceplanes. …

Wave Motion Launch is a newly established launch vehicle company founded in 2023 and based in San Fr…

Zenno Astronautics, founded in 2020 and based in Auckland, New Zealand, is a space technology compan…

Zeno Power develops radioisotope power systems for space applications. The company's technology prov…

Asteroid mining company and propulsion developer. Comet water thrusters. Acquired by Bradford Space …

Launcher developed rocket engines and orbital transfer vehicles using 3D printing. Acquired by Vast …

ST Engineering subsidiary specializing in satellite modems and Dialog VSAT hubs, offering advanced D…

Masten Space Systems developed vertical takeoff and landing vehicles and was selected for NASA's CLP…