Company lists · Data refreshed September 2026
Top 25 Space propulsion systems companies worldwide
RevenueBase identified 297 space propulsion systems companies worldwide as of September 2026 and tracks 31,214 professional contacts across them, including 3,196 with verified work emails. The United States is the largest market and Huntsville the largest hub.
This list covers space propulsion systems companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026. Country and city lists for space propulsion systems companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest space propulsion systems companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,934 contacts → | ||||
Partial evidence “Blue Origin manufactures and operates rocket engines, reusable launch vehicles, lunar landers, and satellite systems.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,939 contacts → | ||||
Partial evidence “ArianeGroup is an industrial company delivering critical missions for the space and defence sectors.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,399 contacts → | ||||
Indirect evidence “Orbital ATK is built on the strong heritage of two great companies, Orbital Sciences Corporation and ATK, with a history of collaboration providing reliable, affordable and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,459 contacts → | ||||
Partial evidence “Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,307 contacts → | ||||
Partial evidence “Beyond Gravity (formerly RUAG Space), headquartered in Zurich, Switzerland, is the first space company to combine a startup mindset, agility, speed and innovation with decades of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,171 contacts → | ||||
Partial evidence “SSL, based in Palo Alto, California, is a leading provider of advanced spacecraft systems, with broad expertise to support commercial and government satellite operators and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,042 contacts → | ||||
Strong evidence “Avio is a leading company in space propulsion, based in Colleferro, near Rome, Italy.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 369 contacts → | ||||
Indirect evidence “Reliable.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 334 contacts → | ||||
Strong evidence “Redwire is a new leader in mission critical space solutions and high reliability components for next generation space systems and infrastructure.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 261 contacts → | ||||
Partial evidence “SITAEL is the largest privately-owned Space Company in Italy leading the development of the Small Satellites sector.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 223 contacts → | ||||
Partial evidence “For great space content, you're on the wrong page.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 192 contacts → | ||||
Partial evidence “We are an end-to-end space mobility operator.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 146 contacts → | ||||
Partial evidence “Based in the Netherlands, New Zealand, France and the United States, Dawn Aerospace’s mission is to enable the next generation of space users by providing dramatically more…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 141 contacts → | ||||
Partial evidence “Exoterra Resource LLC, is a Solar Electric Propulsion company based out of Littleton, Colorado.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 129 contacts → | ||||
Indirect evidence “We are part of ARQUIMEA, a technology company that believes in technology as an.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 126 contacts → | ||||
Strong evidence “We believe ours is a noble cause; to develop and manufacture the best propulsion systems and electronic solutions for spaceflight.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 118 contacts → | ||||
Partial evidence “Space Technologies” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 118 contacts → | ||||
Indirect evidence “HyPrSpace is making the first scalable hybrid rocket engine, combining simplicity, robustness and reactivity.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 94 contacts → | ||||
Indirect evidence “Die Bayern-Chemie ist ein global tätiges Unternehmen mit mehr als 60 Jahren Erfahrung in der Entwicklung von Lenkflugkörper- und Raumfahrtantrieben.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 91 contacts → | ||||
Partial evidence “Space Structures Space Science Instruments Telecommunication Payload Smallsat Subsystems & Services Ground Equipment Mechanical & Thermal Testing” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 86 contacts → | ||||
Partial evidence “Bellatrix Aerospace is an Indian Space company specializing in new age technologies for in-space mobility.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 81 contacts → | ||||
Strong evidence “Vaya Space develops and manufactures orbital launch vehicles, in-space propulsion systems, and advanced missile engines-all powered by our hybrid rocket engine technology.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 77 contacts → | ||||
Partial evidence “In 2024, we achieved a major milestone with the successful maiden flight of our SR75 suborbital rocket, proving the effectiveness of our hybrid propulsion technology.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 72 contacts → | ||||
Partial evidence “Aadyah designs and builds motion control, guidance & navigation, avionics and power subsystems to support every part of a space mission.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 64 contacts → | ||||
Strong evidence “Our expertise is founded in space propulsion and mobility.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: space propulsion systems companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names space propulsion systems companies.
- Partial evidence
- Its own public description names part of space propulsion systems companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name space propulsion systems companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 297 space propulsion systems companies worldwide
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Space propulsion systems companies worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among space propulsion systems companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for space propulsion systems companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “space propulsion systems companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names space propulsion systems companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among space propulsion systems companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 3,196 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Space propulsion systems companies by location
2 lists · largest firstEvery Space propulsion systems companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names space propulsion systems companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many space propulsion systems companies are there worldwide?
RevenueBase identified 297 space propulsion systems companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Blue Origin, headquartered in Denver, tops this list with the largest team on record.
Which country has the most space propulsion systems companies?
The United States leads with 93 companies, followed by the United Kingdom (25). Every space propulsion systems companies list by country and city is linked on this page.
Which city has the most space propulsion systems companies?
Huntsville leads with 6 headquartered companies, followed by London (6) and Bengaluru (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,196 verified decision-maker contacts tracked across these 297 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.