Propulsion

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

Accion Systems, founded in 2014 and headquartered in Boston, Massachusetts, designs and manufactures…

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…

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

Aliena, headquartered in Singapore and founded in 2016, is a Southeast Asian electric propulsion sta…

Antycip Simulation (rebranded STE|Antycip after its acquisition by Singapore-based defense and engin…

AnyShape is a Belgium-based aerospace additive manufacturing company certified to ISO 9001 and EN 91…

Apollo Fusion is a Sunnyvale, California Hall-effect thruster developer founded in 2016 that was acq…

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

ArianeGroup Propulsion is the Vernon, France-based rocket engine design and manufacturing center of …

Astron Systems is a UK-based small launch vehicle developer building Aurora, a fully reusable two-st…

Aurora Propulsion Technologies is a Finnish company developing water-based electric propulsion syste…

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

Beihang University (北京航空航天大学, BUAA) is China's premier aerospace and aviation university, founded in…

Bellatrix Aerospace, founded in 2015 and headquartered in Bangalore, India, is an Indian deep tech p…

Benchmark Space Systems is a Vermont-based propulsion company developing high-performance green prop…

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…

Bradford ECAPS (Enabling Concepts and Technologies for Advanced Propulsion Systems) is a Swedish in-…

Bradford Space is a Netherlands-based space company headquartered in Heerle that develops green prop…

Breakthrough Initiatives is a Palo Alto-based science program funded by Israeli-Russian billionaire …

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 is a Champaign, Illinois-based propulsion company founded in 1998 as a spin-off from th…

Dawn Aerospace, founded in 2018 and headquartered in Christchurch, New Zealand (with an R&D presence…

Dawn Aerospace NZ is the New Zealand operational entity of Dawn Aerospace, a company founded in 2017…

DeltaV Space Technologies is a Turkish aerospace company specializing in hybrid rocket propulsion sy…

Dynetics Lunar is the Huntsville, Alabama-based space systems division of Dynetics, Inc. — a defense…

ECAPS AB (Ecological Advanced Propulsion Systems), founded in 2000 and headquartered in Solna, Swede…

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

Embry-Riddle Aeronautical University (ERAU) is the world's largest and oldest university specializin…

Enpulsion is an Austrian electric propulsion company manufacturing FEEP (Field Emission Electric Pro…

Ethos Space is a US startup developing lunar surface infrastructure with two primary products: a sys…

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

ExoTerra Resource is a Littleton, Colorado company founded in 2011 developing integrated electric pr…

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

Fergani Space is a Turkish private space company founded in 2022, associated with the Baykar technol…

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

The Daniel Guggenheim School of Aerospace Engineering at Georgia Institute of Technology (Georgia Te…

H3X Technologies is a Denver, Colorado-based developer of ultra-high power density integrated electr…

The Initiative for Interstellar Studies (i4is) is a London-based nonprofit scientific research organ…

IHI Aerospace Co., Ltd. is Japan's primary solid rocket motor manufacturer and a critical component …

IHI Corporation is a major Japanese industrial and aerospace conglomerate founded in 1853 as the Ish…

IIT Bombay's Department of Aerospace Engineering (founded 1963, Mumbai) is one of India's premier ae…

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

Innospace Korea is the corporate entity of Innospace — South Korea's first successful commercial liq…

Intuitive Machines (Nasdaq: LUNR) is a Houston, Texas commercial space company founded in 2013 that …

KAIST (Korea Advanced Institute of Science and Technology) is South Korea's premier science and tech…

Kawasaki Heavy Industries Space Division (KHI, TYO:7012) is the aerospace manufacturing arm of Japan…

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

Launcher was a Hawthorne, California startup founded in 2017 by Max Haot that pioneered copper alloy…

Liftero is a Polish propulsion company founded in May 2023 in Krakow by Tomasz Palacz and Przemyslaw…

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…

ManTech International Corporation is a Herndon, Virginia-based national security technology company …

The Massachusetts Institute of Technology's Department of Aeronautics and Astronautics (MIT AeroAstr…

Moog Space Systems is the space and defense division of Moog Inc (NYSE: MOG.A), headquartered in Eas…

Morpheus Space, headquartered in Dresden, Germany and founded in 2018 as a spinout from the Technisc…

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

NanoAvionics Propulsion is the dedicated propulsion division of NanoAvionics (Kongsberg NanoAvionics…

NASA Glenn Research Center (GRC), located in Cleveland, Ohio, is NASA's primary center for aerospace…

NASA Goddard Space Flight Center (GSFC), located in Greenbelt, Maryland near Washington DC, is NASA'…

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

Neumann Space is an Adelaide, Australia-based electric propulsion company founded in 2015 by Dr. Pat…

Neutron Star Systems is a Berlin-based electric propulsion company developing SUPREME (Superconducto…

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 is a Kashiwa, Japan propulsion startup (founded 2020, University of Tokyo spin-off) develo…

The Department of Aerospace Engineering at Penn State University (University Park, Pennsylvania) is …

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

Pratt & Whitney Space Propulsion (now operating as Aerojet Rocketdyne following its 2013 acquisition…

Purdue University, located in West Lafayette, Indiana and founded in 1869, hosts the nation's most s…

The Maurice J. Zucrow Laboratories at Purdue University in West Lafayette, Indiana is the largest un…

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

Reaction Dynamics is a Quebec, Canada-based launch startup developing the Aurora small orbital launc…

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

Safran Aircraft Engines (formerly Snecma), headquartered in Courcouronnes near Paris and part of Saf…

Safran Spacecraft Propulsion (formerly Snecma and Safran Aircraft Engines' spacecraft division, oper…

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

SETS (Space Electric Thruster Systems) is a Ukrainian electric propulsion manufacturer developing Ha…

SITAEL is a Bari, Italy-based space technology company founded in 2014 (a spin-out from the Alta aer…

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

Space Plasmatics is an Israeli electric plasma propulsion company developing miniaturized thrusters …

SpaceTech Asia is a Singapore-based space technology company founded in 2017 focused on electric pro…

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

T-Minus Engineering is a Dutch aerospace company headquartered in Delft, specializing in solid-fuel …

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

Tehiru is an Israeli-American aerospace startup developing a reusable air-launched small satellite l…

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

The Department of Aerospace Engineering at Texas A&M University is one of the nation's largest aeros…

ThrustMe is a French electric propulsion company developing iodine-propellant propulsion systems for…

The Faculty of Aerospace Engineering (Luchtvaart- en Ruimtevaarttechniek, LR) at Delft University of…

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

The Ann and H.J. Smead Department of Aerospace Engineering Sciences at the University of Colorado Bo…

The Department of Aerospace Engineering at the University of Illinois Urbana-Champaign (UIUC) is one…

The Department of Aerospace Engineering at the University of Michigan (Ann Arbor) is one of the nati…

The University of Stuttgart's aerospace programs, centered on the Institut für Raumfahrtsysteme (IRS…

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

The Department of Astronautical Engineering at the University of Southern California (USC) Viterbi S…

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…

Vikram Sarabhai Space Centre (VSSC) is ISRO's lead center for launch vehicle technology, located in …

Virginia Tech's Kevin T. Crofton Department of Aerospace and Ocean Engineering (AOE) in Blacksburg, …

VXB Aerospace is an Australian propulsion startup based in Canberra developing AI-optimized Hall-eff…

AVIO is an Italian aerospace company listed on Borsa Italiana (ticker: AVIO.MI) specializing in the …

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

GE Aerospace (NYSE: GE, ~$200B market cap) is one of the world's largest aviation and aerospace tech…

Hanwha Aerospace, publicly traded on the Korea Stock Exchange (ticker 012450.KS, ~$8B market cap), i…

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

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

MTU Aero Engines AG (Frankfurt: MTX.DE, ~€15B market cap) is Munich, Germany's publicly-traded premi…

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…

Safran is a French multinational aerospace and defense group (Euronext: SAF, ~€20B revenue, ~100,000…

TransDigm Group (NYSE: TDG) is a Cleveland, Ohio-based aerospace component manufacturer founded in 1…

Woodward Inc. (Nasdaq: WWD), headquartered in Fort Collins, Colorado, is a 150-year-old industrial c…

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…

Argo Space Corp is a California in-space transportation startup, based in Hermosa Beach and founded …

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

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

Bizu Space is a Brazilian launch-technology startup developing rocket propulsion for space access us…

Canada Rocket Company (CRC) is a Toronto-based launch startup that emerged from stealth in January 2…

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 is a Rockledge, Florida startup founded in 2019 developing cryogenic fluid management (CFM…

EtherealX is an Indian launch vehicle startup developing Razor Crest Mk-1, a fully reusable medium-l…

GATE Space (Graz Advanced Technology Enterprise), a Vienna-based Austrian startup founded in 2022, i…

General Galactic is a California startup founded in 2023 by Stanford graduates Luke Neise and Halen …

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

Hermeus, founded in 2018 and headquartered in Atlanta, Georgia, is developing hypersonic aircraft ca…

Howe Industries is an Arizona-based advanced propulsion and nuclear technology developer founded by …

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

Hypernova Space Technologies, based in Nigeria, is one of Africa's pioneering private space propulsi…

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…

Innovative Space Carrier (ISC) is a Japanese launch startup founded in 2022 and led by CEO Kojiro Ha…

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 is a Vigo, Spain-based propulsion startup founded in 2021 developing Air-Breathing Elec…

Letara is a Japanese propulsion startup spun out of Hokkaido University's space systems laboratory, …

LIA Aerospace (Laboratorio de Investigación Aeroespacial), a Buenos Aires-based Argentine aerospace …

Magdrive is a Bristol, UK-based electric propulsion startup founded in 2020, developing a novel high…

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.…

Nakuja Project is a Kenyan rocketry and small-launch initiative based at Jomo Kenyatta University of…

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

OhmSpace is a Turin, Italy-based space propulsion startup founded in 2020, developing next-generatio…

Pangea Aerospace is a Spanish propulsion company based in Barcelona developing methalox (methane/liq…

PAVE Space is a Swiss in-space propulsion and orbital mobility startup founded by Julie Bohning and …

PERSEI Space is a Spanish startup commercialising electrodynamic tether technology for propellant-fr…

PlasmaHub is a Brazilian aerospace engineering company developing propulsion technologies and critic…

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

Positron Dynamics is a California deep-tech propulsion company developing antimatter-based and posit…

Promin Aerospace is a Ukrainian launch startup founded in 2021 by aerospace researcher Vitaliy Yemet…

Pulsar Fusion is a UK company developing nuclear fusion propulsion technology for space applications…

Pythom Space is a Swedish-American aerospace company based in Bishop, California, founded by explore…

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

RocketStar is a New York-based propulsion company founded by Christopher Craddock, developing electr…

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…

SpaceFields is an Indian propulsion company developing next-generation rocket propulsion systems and…

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…

Starpath Robotics is a Hawthorne, California startup founded in 2022 that designs robotic factories …

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

TransAstra Corporation, headquartered in Lake View Terrace, California and founded in 2015 by aerosp…

URA Thrusters develops water-based in-space propulsion systems and was created in 2019 as a spin-off…

Vaya Space (formerly Rocket Crafters), founded in 2010 and headquartered in Cocoa, Florida, develops…

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

Venus Aerospace is a Houston-based hypersonic transportation company developing Stargazer, a Mach 9 …

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 is a Washington, D.C.-based space power company founded in 2018 by Tyler Bernstein and Jo…

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

Deep Space Industries (DSI) was a US asteroid mining and spacecraft propulsion company founded in 20…

Launcher (later renamed Launcher Space) was a Hawthorne, California-based company that developed roc…

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

Newtec is a Belgian satellite communications technology company based in Sint-Niklaas, Belgium that …

Masten Space Systems was a Mojave, California-based rocket company founded in 2004 that pioneered ve…

Reaction Engines Limited (REL) is a UK company developing the SABRE (Synergistic Air-Breathing Rocke…

Astra Space was an American launch company that developed small orbital rockets with a goal of frequ…

Momentus was a commercial in-space transportation company that developed the Vigoride orbital servic…