Company lists · Data refreshed September 2026

Top 25 Autonomous spacecraft systems companies worldwide

RevenueBase identified 639 autonomous spacecraft systems companies worldwide as of September 2026 and tracks 12,527 professional contacts across them, including 4,068 with verified work emails. The United States is the largest market and London the largest hub.

This list covers autonomous spacecraft 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 19, 2026. Country and city lists for autonomous spacecraft 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
639Companies
12,527Contacts tracked
4,068Verified emails
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The 25 largest autonomous spacecraft systems companies worldwide

Ranked by team size
Top 25 of 639 autonomous spacecraft systems companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to autonomous spacecraft systems companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidencePalo Alto, CA, United StatesHQ checked Sep 19, 20261,001-5,0001,171 contacts →

Strong 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 19, 2026
2Indirect evidenceLisbon, PortugalHQ checked Sep 19, 20261,001-5,000647 contacts →

Indirect evidence

“Leading the future of AI-driven autonomy across civil and defence missions.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceHouston, TX, United StatesHQ checked Sep 19, 2026501-1,000581 contacts →

Indirect evidence

“Barrios Technology is an award-winning, woman-owned and operated small aerospace business.”

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceClarksburg, MD, United StatesHQ checked Sep 19, 2026501-1,000423 contacts →

Strong evidence

“Forterra delivers autonomous mission systems for defense.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceLafayette, CO, United StatesHQ checked Sep 19, 2026201-500369 contacts →

Indirect evidence

“Reliable.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceCentennial, CO, United StatesHQ checked Sep 19, 2026201-500365 contacts →

Indirect evidence

“SEAKR, a wholly owned subsidiary of RTX, is a Leading-Edge Provider of Advanced Space Electronics Solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
7Strong evidenceSan Luis Obispo, CA, United StatesHQ checked Sep 19, 2026501-1,000274 contacts →

Strong evidence

“Edge Autonomy is a leader in providing innovative autonomous systems, advanced optics, and resilient energy solutions to the U.S.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceMola Di Bari, ItalyHQ checked Sep 19, 2026201-500261 contacts →

Indirect evidence

“SITAEL is the largest privately-owned Space Company in Italy leading the development of the Small Satellites sector.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceAlameda, FL, United StatesHQ checked Sep 19, 2026201-500245 contacts →

Indirect evidence

“Saildrone is a maritime defense company with a relentless passion for performance.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceSan Mauro Torinese, ItalyHQ checked Sep 19, 202651-200217 contacts →

Indirect evidence

“Argotec is an Italian aerospace company based in San Mauro Torinese (Turin, Italy), with an headquarter Melbourne (FL, U.S.).”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceParis - La Défense, FranceHQ checked Sep 19, 2026201-500201 contacts →

Indirect evidence

“MaiaSpace is a European space tech company, designing, manufacturing and operating competitive, reusable and eco-designed space launch and mobility solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceSydney, AustraliaHQ checked Sep 19, 2026201-500194 contacts →

Strong evidence

“Advanced Navigation is a global leader in navigation and autonomous systems.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceMassy, FranceHQ checked Sep 19, 202651-200192 contacts →

Indirect evidence

“We are an end-to-end space mobility operator.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceColorado Springs, CO, United StatesHQ checked Sep 19, 202651-200175 contacts →

Indirect evidence

“Slingshot Aerospace is the leader in Space Operations Intelligence & Autonomy (SOIA), delivering AI-powered solutions that help government and commercial partners track…”

Source: RevenueBase Database · checked Sep 19, 2026
15Strong evidenceBoston, MA, United StatesHQ checked Sep 19, 202651-200167 contacts →

Strong evidence

“Merlin is an aerospace and defense technology company building the operating system of record for autonomous flight.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceUnited StatesHQ checked Sep 19, 2026n/a156 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceNoida, IndiaHQ checked Sep 19, 202651-200154 contacts →

Indirect evidence

“At EndureAir, we aspire to provide world class aerial robotic solutions suited for Indian market.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidencePetah Tikva, IsraelHQ checked Sep 19, 202651-200152 contacts →

Indirect evidence

“Airobotics Ltd.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceHouston, TX, United StatesHQ checked Sep 19, 202651-200137 contacts →

Indirect evidence

“Odyssey Space Research, L.L.C.”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceSint-stevens-woluwe, BelgiumHQ checked Sep 19, 202651-200130 contacts →

Partial evidence

“We are a Space & Defence systems integrator with 35 years of mission‑proven experience delivering advanced engineering, software, and operations solutions for space agencies…”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceSan Luis Obispo, CA, United StatesHQ checked Sep 19, 2026201-500130 contacts →

Indirect evidence

“ESAero, an AV Company, is an aerospace engineering design and manufacturing company, specializes in cost-effective development of innovative and advanced concepts, with emphasis…”

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidenceNatick, MA, United StatesHQ checked Sep 19, 202651-200126 contacts →

Partial 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 19, 2026
23Strong evidenceToulouse, FranceHQ checked Sep 19, 202651-200109 contacts →

Strong evidence

“Infinite Orbits is a NewSpace company that is revolutionizing In-Orbit Services with innovative spacecrafts powered by its Rendez Vous solution, an advanced autonomous…”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceSan Clemente, CA, United StatesHQ checked Sep 19, 202651-200106 contacts →

Partial evidence

“Swift Engineering is a product development company with over 30 years of experience designing and building high performance vehicles, specializing in unmanned systems, autonomy…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceHsinchu City, TaiwanHQ checked Sep 19, 2026201-50099 contacts →

Indirect evidence

“Tron Future Tech is the leading Defense/Aerospace Tech company in Taiwan.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 639 autonomous spacecraft systems companies worldwide

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Autonomous spacecraft systems companies worldwide at a glance

As of Sep 19, 2026
32.5%Verified-email coverage
19.6Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
346
11-50
195
51-200
71
201-500
17
501-1,000
5
1,001-5,000
2
5,001-10,000
1
10001+
1

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 autonomous spacecraft 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 autonomous spacecraft systems companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “autonomous spacecraft 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 autonomous spacecraft 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 autonomous spacecraft 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, 4,068 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 19, 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.

Autonomous spacecraft systems companies by location

2 lists · largest first

Every Autonomous spacecraft 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 autonomous spacecraft 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 autonomous spacecraft systems companies are there worldwide?

RevenueBase identified 639 autonomous spacecraft 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?

SSL, headquartered in Palo Alto, tops this list with the largest team on record.

Which country has the most autonomous spacecraft systems companies?

The United States leads with 168 companies, followed by the United Kingdom (39). Every autonomous spacecraft systems companies list by country and city is linked on this page.

Which city has the most autonomous spacecraft systems companies?

London leads with 18 headquartered companies, followed by Bangalore (11) and Bengaluru (9).

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 4,068 verified decision-maker contacts tracked across these 639 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 19, 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.