Company lists · Data refreshed September 2026

Top 25 Space technology security companies worldwide

RevenueBase identified 531 company matches for space technology security companies worldwide as of September 2026 and tracks 70,149 professional contacts across them, including 3,303 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for space technology security companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for space technology security companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
531Companies
70,149Contacts tracked
3,303Verified emails
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The 25 largest space technology security companies worldwide

Ranked by team size
Top 25 of 531 company matches for space technology security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202610001+15,727 contacts →

Exact match

“With headquarters in New York City and approximately employees worldwide, L3 develops advanced defense technologies and commercial solutions in pilot training, aviation security…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchSan Diego, CA, United StatesHQ recorded Sep 29, 20261,001-5,0002,559 contacts →

Exact match

“At Kratos, we deliver affordable, disruptive technologies that enable real-world readiness for national security.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchWestminster, CO, United StatesHQ recorded Sep 29, 20261,001-5,0001,739 contacts →

Exact match

“Maxar Intelligence is a leading provider of secure, precise geospatial insights.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchLouisville, CO, United StatesHQ recorded Sep 29, 20261,001-5,0001,459 contacts →

Exact match

“Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchKongsberg, NorwayHQ recorded Sep 29, 202610001+1,373 contacts →

Exact match

“KONGSBERG protects people and critical infrastructure – from deep sea to space.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchEl Segundo, CA, United StatesHQ recorded Sep 29, 2026501-1,000826 contacts →

Exact match

“From missile warning to advanced national security space missions, Millennium rapidly delivers affordable prototype and constellation solutions across orbits.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchDenver, CO, United StatesHQ recorded Sep 29, 2026501-1,000396 contacts →

Exact match

“Voyager is a defense, national security and space technology company, pioneering transformative, mission-critical solutions that redefine possibilities for civil, commercial and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchGreenbelt, MD, United StatesHQ recorded Sep 29, 2026501-1,000386 contacts →

Exact match

“At ERT, we have been providing high-value solutions and expertise to our partners at U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 29, 2026501-1,000373 contacts →

Exact match

“Space42 is redefining the boundaries of SpaceTech, combining satellite communications, geospatial analytics, and AI to deliver transformative solutions from space.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchChantilly, VA, United StatesHQ recorded Sep 29, 2026501-1,000368 contacts →

Exact match

“System High Corporation, a Veilant company, delivers the most advanced protection and secrecy solutions to secure and strengthen critical missions, programs, operations, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBuenos Aires, ArgentinaHQ recorded Sep 29, 2026201-500320 contacts →

Exact match

“We are a company of services and technological developments of high added value, specializing in space activities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchArlington, VA, United StatesHQ recorded Sep 29, 2026201-500313 contacts →

Exact match

“Airbus US Space & Defense is a trusted U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchHerndon, VA, United StatesHQ recorded Sep 29, 2026n/a312 contacts →

Exact match

“Global solutions in space, warfighter support, and training and maritime operations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchMola Di Bari, ItalyHQ recorded Sep 29, 2026201-500261 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchEnglewood, CO, United StatesHQ recorded Sep 29, 2026201-500256 contacts →

Exact match

“True Anomaly is the only defense technology company focused exclusively on space defense.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchToulouse, FranceHQ recorded Sep 29, 2026201-500251 contacts →

Exact match

“HEMERIA was founded with the idea that each nation should be able to access autonomous space and defense capabilities, for a safer, more sustainable and more equitable world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchReston, VA, United StatesHQ recorded Sep 29, 202651-200236 contacts →

Exact match

“SES Space & Defense is a space solutions company equipping governments with integrated, purpose-built satellite and connectivity solutions that deliver resilient, future-proof…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchArlington, VA, United StatesHQ recorded Sep 29, 202651-200212 contacts →

Exact match

“Umbra is an American space technology company built to push the limits of what’s possible.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchWavre, BelgiumHQ recorded Sep 29, 2026501-1,000181 contacts →

Exact match

“RHEA Group is a professional engineering and solutions company, offering engineering solutions, system development and security services for space, government, defence and other…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchColorado Springs, CO, United StatesHQ recorded Sep 29, 202651-200175 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchIrvine, CA, United StatesHQ recorded Sep 29, 202651-200162 contacts →

Exact match

“Turion Space is building the infrastructure to secure and sustain the future of space.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchAdelaide Airport, AustraliaHQ recorded Sep 29, 202651-200160 contacts →

Exact match

“Fleet Space Technologies, a leading Australian space company with a mission to connect Earth, Moon, and Mars, is revolutionising the mineral exploration, defence, and space…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchDelft, NetherlandsHQ recorded Sep 29, 202651-200159 contacts →

Exact match

“ISISPACE Group is a vertically integrated small satellite company, focused on providing high value, cost-effective space solutions by making use of the latest innovative…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchBangalore, IndiaHQ recorded Sep 29, 202651-200157 contacts →

Exact match

“GalaxEye is Indian headquartered space tech startup and first Indian HQ startup to send the Satellite in the orbit soon.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchUppsala Science Park, United KingdomHQ recorded Sep 29, 202651-200148 contacts →

Exact match

“AAC Clyde Space provides small satellite technologies and services that help governments, businesses and institutions access high-quality data from space.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 531 space technology security companies worldwide

See the full list, filter by size, metro and specialty, and access 3,303 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Space technology security companies worldwide at a glance

As of Sep 29, 2026
4.7%Verified-email coverage
132.1Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
239
11-50
162
51-200
71
201-500
35
501-1,000
11
1,001-5,000
8
5,001-10,000
1
10001+
4

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for space technology security companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “space technology security companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 3,303 professional contacts with verified work emails across the full matched dataset. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Space technology security companies by location

3 lists · largest first

Every Space technology security 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “space technology security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many space technology security companies are there worldwide?

RevenueBase identified 531 company matches for space technology security companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

L3 Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most space technology security companies?

The United States leads with 142 companies, followed by India (35) and the United Kingdom (25). Every space technology security companies list by country and city is linked on this page.

Which city has the most space technology security companies?

London leads with 11 company records, followed by Colorado Springs (6) and Hyderabad (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,303 professional contacts with verified work emails tracked across these 531 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 SmartSearch, 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.