Company lists · Data refreshed September 2026
Top 25 Autonomous spacecraft systems companies based in the United States
RevenueBase identified 168 autonomous spacecraft systems companies headquartered in the United States as of September 2026 and tracks 6,241 professional contacts across them, including 1,579 with verified work emails. Los Angeles is the largest hub.
This list covers autonomous spacecraft systems companies headquartered in the United States, 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.
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 autonomous spacecraft systems companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,171 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 581 contacts → | ||||
Indirect evidence “Barrios Technology is an award-winning, woman-owned and operated small aerospace business.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 423 contacts → | ||||
Strong evidence “Forterra delivers autonomous mission systems for defense.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 369 contacts → | ||||
Indirect evidence “Reliable.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 365 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, 2026Thanks. The Data Team will review it. | |||||
| 6 | 274 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, 2026Thanks. The Data Team will review it. | |||||
| 7 | 245 contacts → | ||||
Indirect evidence “Saildrone is a maritime defense company with a relentless passion for performance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 175 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 167 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 137 contacts → | ||||
Indirect evidence “Odyssey Space Research, L.L.C.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 130 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 126 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, 2026Thanks. The Data Team will review it. | |||||
| 13 | 106 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, 2026Thanks. The Data Team will review it. | |||||
| 14 | 85 contacts → | ||||
Partial evidence “Creating a future where autonomous flight is safe and accessible.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 63 contacts → | ||||
Indirect evidence “Based on a heritage of defense, security and technology innovation, Kraus Hamdani Aerospace Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 62 contacts → | ||||
Strong evidence “Vatn Systems is a company pioneering next-generation attritable autonomous underwater vehicles (AUVs) for defense, research, and commercial maritime missions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 58 contacts → | ||||
Strong evidence “From military applications to mining exploration, Neya Systems develops advanced autonomous solutions to navigate unknown terrain while avoiding obstacles and precisely tracking…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 57 contacts → | ||||
Indirect evidence “Enabling the future of autonomy We provide the world's best autonomy-enabling technologies and world class services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 56 contacts → | ||||
Indirect evidence “KinetX Aerospace is a trusted and innovative engineering services and product company focused on leading, developing, and demonstrating innovative solutions to global and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 52 contacts → | ||||
Indirect evidence “At Katalyst Space Technologies, our goal is to fundamentally shake up how the satellite industry works.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 51 contacts → | ||||
Partial evidence “Quantum Space is developing Ranger-a maneuver-first, mission-configurable spacecraft designed to support and meet the demands of modern space operations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 50 contacts → | ||||
Partial evidence “Altaeros spun out of MIT in 2010 on a mission to make the world’s first autonomous aerostat.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 50 contacts → | ||||
Strong evidence “Exyn is pioneering autonomous aerial robot systems for complex, GPS-denied environments.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 47 contacts → | ||||
Indirect evidence “ModalAI® accelerates development of smaller, smarter and safer drones with SWAP-optimized Blue UAS Framework autopilots built in the U.S.A.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 44 contacts → | ||||
Strong evidence “COAST Autonomous designs and develops world-class vehicle automation and monitoring systems that serve as the brain of any autonomous vehicle.” Source: RevenueBase Database · checked Sep 19, 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: autonomous spacecraft 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 autonomous spacecraft systems companies.
- Partial evidence
- Its own public description names part of autonomous spacecraft systems companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name autonomous spacecraft 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 168 autonomous spacecraft systems companies based in the United States
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Autonomous spacecraft systems companies based in the United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 168 companies.
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.
- What qualifies
- Companies headquartered in the United States 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. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 1,579 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.
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 based in the United States?
RevenueBase identified 168 autonomous spacecraft systems companies headquartered in the United States 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 city has the most autonomous spacecraft systems companies?
Los Angeles leads with 8 headquartered companies, followed by Houston (7) and San Francisco (6).
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 1,579 verified decision-maker contacts tracked across these 168 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.
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