Company lists · Data refreshed September 2026
Top 25 Space systems engineering firms based in the United States
RevenueBase identified 1,446 company matches for space systems engineering firms associated with the United States as of September 2026 and tracks 102,442 professional contacts across them, including 11,259 with verified work emails. Huntsville is the largest hub.
This list covers company matches for space systems engineering firms associated with the United States, 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 18, 2026.
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.
The 25 largest space systems engineering firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,934 contacts → | ||||
Exact match “Blue Origin manufactures and operates rocket engines, reusable launch vehicles, lunar landers, and satellite systems.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 2 | 6,297 contacts → | ||||
Exact match “At Harris, our shared set of values, skills and experience have shaped some of the most remarkable communications technologies and cutting-edge innovations in the world.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 3 | 4,452 contacts → | ||||
Exact match “Every second, a plane takes off with UTC Aerospace Systems equipment onboard.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 4 | 3,399 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 5 | 2,733 contacts → | ||||
Exact match “Applied Research Associates, Inc.(ARA) is the company that government and industry turn to for innovative technologies and solutions to problems that improve our safety, security…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 6 | 2,352 contacts → | ||||
Exact match “Aegis provides custom engineering and technology development services to a broad array of clients, including Fortune 100 companies, the U.S.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 7 | 2,035 contacts → | ||||
Exact match “We’re now a part of BAE Systems, Inc, where we’ll continue to leverage our long-standing expertise in spacecraft, instruments, ground systems, sensors, tactical systems…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 8 | 1,923 contacts → | ||||
Exact match “Crane Aerospace & Electronics supplies critical systems and components to the aerospace and defense markets.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 9 | 1,920 contacts → | ||||
Exact match “Modern Technology Solutions, Inc.(MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 10 | 1,917 contacts → | ||||
Exact match “Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 11 | 1,459 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 18, 2026 · View company records in RevenueBase | |||||
| 12 | 1,331 contacts → | ||||
Exact match “COLSA Corporation is an engineering and support services company founded in 1980.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 13 | 1,171 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 14 | 1,168 contacts → | ||||
Exact match “VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 15 | 1,054 contacts → | ||||
Exact match “Orbital Sciences is now Orbital ATK!” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 16 | 1,049 contacts → | ||||
Exact match “Radiance Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 17 | 826 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 18, 2026 · View company records in RevenueBase | |||||
| 18 | 822 contacts → | ||||
Exact match “Teledyne Brown Engineering is a leader in providing innovative systems engineering, integration, operations and advanced manufacturing solutions for defense, space, marine and…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 19 | 808 contacts → | ||||
Exact match “TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 20 | 798 contacts → | ||||
Exact match “Arcfield was purpose-built to protect the nation and its allies through innovations in systems engineering and integration, space and mission launch assurance, cybersecurity and…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 21 | 754 contacts → | ||||
Exact match “Kay and Associates, Inc.(KAI) was established in 1960 by our founder Donald Kay to provide high quality, cost effective solutions in response to the need for engineering and…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 22 | 676 contacts → | ||||
Exact match “Marotta Controls is the place where aerospace and defense system designers can find world class resources and solutions for controlling pressure, motion, fluid, electronics and…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 23 | 670 contacts → | ||||
Exact match “An innovator since 1982, Ghafari embraces an integrated design approach to deliver solutions that synergize building operations, systems, and people.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 24 | 581 contacts → | ||||
Exact match “Barrios Technology is an award-winning, woman-owned and operated small aerospace business.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 25 | 518 contacts → | ||||
Exact match “ARES Corporation is one of the foremost Engineering, Project Management, Reliability and Mission Assurance, IT Architecture and Security, and Software Solutions companies in the…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “space systems engineering firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,446 space systems engineering firms based in the United States
See the full list, filter by size, metro and specialty, and access 11,259 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Space systems engineering firms based in the United States at a glance
As of Sep 18, 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 1,446 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “space systems engineering firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 11,259 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 18, 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 systems engineering firms by metro
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 systems engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many space systems engineering firms are there based in the United States?
RevenueBase identified 1,446 company matches for space systems engineering firms associated with the United States 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?
Blue Origin tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most space systems engineering firms?
Huntsville leads with 85 company records, followed by San Diego (32) and Washington (28).
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 11,259 professional contacts with verified work emails tracked across these 1,446 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 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,446 space systems engineering firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Space systems engineering firms by geography
- Space systems engineering firms based in Huntsville, United States
- Space systems engineering firms based in San Diego, United States
- Space systems engineering firms based in Washington, United States
- Space systems engineering firms based in Australia
- Space systems engineering firms based in Brazil
- Space systems engineering firms based in Canada
- Space systems engineering firms based in France
- Space systems engineering firms based in Germany
- Space systems engineering firms based in India
- Space systems engineering firms based in Israel
- Space systems engineering firms based in Italy
- Space systems engineering firms based in the Netherlands
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Space systems engineering firms based in Huntsville, United States
- Space systems engineering firms based in San Diego, United States
- Space systems engineering firms based in Washington, United States
- Space systems engineering firms based in Australia
- Space systems engineering firms based in Brazil
- Space systems engineering firms based in Canada
Company intelligence · public preview
Top 25 space systems engineering firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,446 matching company records for space systems engineering firms based in the United States, with 102,442 tracked contacts and 11,259 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 18, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 space systems engineering firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Blue Originblueorigin.comHQ: Kent, CO, United StatesReported employees: 10001+ | Kent, CO, United States | 10001+ | Exact match | 10,934 contacts → |
“Blue Origin manufactures and operates rocket engines, reusable launch vehicles, lunar landers, and satellite systems.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Harris Corporationharris.comHQ: Melbourne, FL, United StatesReported employees: 10001+ | Melbourne, FL, United States | 10001+ | Exact match | 6,297 contacts → |
“At Harris, our shared set of values, skills and experience have shaped some of the most remarkable communications technologies and cutting-edge innovations in the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  UTC Aerospace Systemsutcaerospacesystems.comHQ: Charlotte, NC, United StatesReported employees: 10001+ | Charlotte, NC, United States | 10001+ | Exact match | 4,452 contacts → |
“Every second, a plane takes off with UTC Aerospace Systems equipment onboard.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Orbital ATKorbitalatk.comHQ: Dulles, VA, United StatesReported employees: 10001+ | Dulles, VA, United States | 10001+ | Exact match | 3,399 contacts → |
“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…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ARAara.comHQ: Albuquerque, NM, United StatesReported employees: 1,001-5,000 | Albuquerque, NM, United States | 1,001-5,000 | Exact match | 2,733 contacts → |
“Applied Research Associates, Inc.(ARA) is the company that government and industry turn to for innovative technologies and solutions to problems that improve our safety, security…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AEGISaegisgrp.comHQ: Seattle, WA, United StatesReported employees: Not recorded | Seattle, WA, United States | Not recorded | Exact match | 2,352 contacts → |
“Aegis provides custom engineering and technology development services to a broad array of clients, including Fortune 100 companies, the U.S.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ball Aerospacebaesystems.comHQ: Broomfield, CO, United StatesReported employees: 5,001-10,000 | Broomfield, CO, United States | 5,001-10,000 | Exact match | 2,035 contacts → |
“We’re now a part of BAE Systems, Inc, where we’ll continue to leverage our long-standing expertise in spacecraft, instruments, ground systems, sensors, tactical systems…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Crane Aerospace & Electronicscraneae.comHQ: Lynnwood, WA, United StatesReported employees: 1,001-5,000 | Lynnwood, WA, United States | 1,001-5,000 | Exact match | 1,923 contacts → |
“Crane Aerospace & Electronics supplies critical systems and components to the aerospace and defense markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Modern Technology Solutions, Inc. Mtsimtsi-va.comHQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,920 contacts → |
“Modern Technology Solutions, Inc.(MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Scientific Research Corporationscires.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,917 contacts → |
“Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sierra Spacesierraspace.comHQ: Louisville, CO, United StatesReported employees: 1,001-5,000 | Louisville, CO, United States | 1,001-5,000 | Exact match | 1,459 contacts → |
“Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  COLSAcolsa.comHQ: Huntsville, AL, United StatesReported employees: 1,001-5,000 | Huntsville, AL, United States | 1,001-5,000 | Exact match | 1,331 contacts → |
“COLSA Corporation is an engineering and support services company founded in 1980.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  SSLsslmda.comHQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 1,171 contacts → |
“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…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  VT Group VTGvtgdefense.comHQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,168 contacts → |
“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Dulles, VA, United StatesReported employees: 1,001-5,000 | Dulles, VA, United States | 1,001-5,000 | Exact match | 1,054 contacts → |
“Orbital Sciences is now Orbital ATK!” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Radiance Technologiesradiancetech.comHQ: Huntsville, AL, United StatesReported employees: 1,001-5,000 | Huntsville, AL, United States | 1,001-5,000 | Exact match | 1,049 contacts → |
“Radiance Technologies, Inc.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Millennium Space Systemsmillennium-space.comHQ: El Segundo, CA, United StatesReported employees: 501-1,000 | El Segundo, CA, United States | 501-1,000 | Exact match | 826 contacts → |
“From missile warning to advanced national security space missions, Millennium rapidly delivers affordable prototype and constellation solutions across orbits.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Teledyne Brown Engineeringtbe.comHQ: Huntsville, United StatesReported employees: 1,001-5,000 | Huntsville, United States | 1,001-5,000 | Exact match | 822 contacts → |
“Teledyne Brown Engineering is a leader in providing innovative systems engineering, integration, operations and advanced manufacturing solutions for defense, space, marine and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TSCtsc.comHQ: Arlington, VA, United StatesReported employees: 501-1,000 | Arlington, VA, United States | 501-1,000 | Exact match | 808 contacts → |
“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Arcfieldarcfield.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 798 contacts → |
“Arcfield was purpose-built to protect the nation and its allies through innovations in systems engineering and integration, space and mission launch assurance, cybersecurity and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  KAY And Associates, INCkayinc.comHQ: Buffalo Grove, IL, United StatesReported employees: 501-1,000 | Buffalo Grove, IL, United States | 501-1,000 | Exact match | 754 contacts → |
“Kay and Associates, Inc.(KAI) was established in 1960 by our founder Donald Kay to provide high quality, cost effective solutions in response to the need for engineering and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Marotta Controlsmarotta.comHQ: Montville, NJ, United StatesReported employees: 501-1,000 | Montville, NJ, United States | 501-1,000 | Exact match | 676 contacts → |
“Marotta Controls is the place where aerospace and defense system designers can find world class resources and solutions for controlling pressure, motion, fluid, electronics and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ghafari Associatesghafari.comHQ: Dearborn, MI, United StatesReported employees: 501-1,000 | Dearborn, MI, United States | 501-1,000 | Exact match | 670 contacts → |
“An innovator since 1982, Ghafari embraces an integrated design approach to deliver solutions that synergize building operations, systems, and people.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Barrios Technologybarrios.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 581 contacts → |
“Barrios Technology is an award-winning, woman-owned and operated small aerospace business.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ares Corporationarescorporation.comHQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 518 contacts → |
“ARES Corporation is one of the foremost Engineering, Project Management, Reliability and Mission Assurance, IT Architecture and Security, and Software Solutions companies in the…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,446 company matches
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Space systems engineering firms: dataset insights
September 18, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,444 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,446 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 18, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Space systems engineering firms by metro
Questions about this company list
What does Exact match mean for space systems engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many space systems engineering firms did RevenueBase find based in the United States?
The saved snapshot records 1,446 matching company records, 102,442 tracked contacts and 11,259 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Space systems engineering firms by geography
- Space systems engineering firms based in Huntsville, United States
- Space systems engineering firms based in San Diego, United States
- Space systems engineering firms based in Washington, United States
- Space systems engineering firms based in Australia
- Space systems engineering firms based in Brazil
- Space systems engineering firms based in Canada
- Space systems engineering firms based in France
- Space systems engineering firms based in Germany
- Space systems engineering firms based in India
- Space systems engineering firms based in Israel
- Space systems engineering firms based in Italy
- Space systems engineering firms based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 space systems engineering firms based in the United States. Snapshot: September 18, 2026. https://revenuebase.ai/companies/space-systems-engineering-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Space systems engineering firms based in Huntsville, United States
- Space systems engineering firms based in San Diego, United States
- Space systems engineering firms based in Washington, United States
- Space systems engineering firms based in Australia
- Space systems engineering firms based in Brazil
- Space systems engineering firms based in Canada
Company intelligence · public preview
Top 25 space systems engineering firms based in the United States
RevenueBase records 1,446 matching company records for space systems engineering firms based in the United States, with 102,442 tracked contacts and 11,259 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 18, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 space systems engineering firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Blue Originblueorigin.com HQ: Kent, CO, United StatesReported employees: 10001+ | Kent, CO, United States | 10001+ | Exact match | 10,934 contacts → |
“Blue Origin manufactures and operates rocket engines, reusable launch vehicles, lunar landers, and satellite systems.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Harris Corporationharris.com HQ: Melbourne, FL, United StatesReported employees: 10001+ | Melbourne, FL, United States | 10001+ | Exact match | 6,297 contacts → |
“At Harris, our shared set of values, skills and experience have shaped some of the most remarkable communications technologies and cutting-edge innovations in the world.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | UTC Aerospace Systemsutcaerospacesystems.com HQ: Charlotte, NC, United StatesReported employees: 10001+ | Charlotte, NC, United States | 10001+ | Exact match | 4,452 contacts → |
“Every second, a plane takes off with UTC Aerospace Systems equipment onboard.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Orbital ATKorbitalatk.com HQ: Dulles, VA, United StatesReported employees: 10001+ | Dulles, VA, United States | 10001+ | Exact match | 3,399 contacts → |
“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…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ARAara.com HQ: Albuquerque, NM, United StatesReported employees: 1,001-5,000 | Albuquerque, NM, United States | 1,001-5,000 | Exact match | 2,733 contacts → |
“Applied Research Associates, Inc.(ARA) is the company that government and industry turn to for innovative technologies and solutions to problems that improve our safety, security…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AEGISaegisgrp.com HQ: Seattle, WA, United StatesReported employees: Not recorded | Seattle, WA, United States | Not recorded | Exact match | 2,352 contacts → |
“Aegis provides custom engineering and technology development services to a broad array of clients, including Fortune 100 companies, the U.S.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ball Aerospacebaesystems.com HQ: Broomfield, CO, United StatesReported employees: 5,001-10,000 | Broomfield, CO, United States | 5,001-10,000 | Exact match | 2,035 contacts → |
“We’re now a part of BAE Systems, Inc, where we’ll continue to leverage our long-standing expertise in spacecraft, instruments, ground systems, sensors, tactical systems…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Crane Aerospace & Electronicscraneae.com HQ: Lynnwood, WA, United StatesReported employees: 1,001-5,000 | Lynnwood, WA, United States | 1,001-5,000 | Exact match | 1,923 contacts → |
“Crane Aerospace & Electronics supplies critical systems and components to the aerospace and defense markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Modern Technology Solutions, Inc. Mtsimtsi-va.com HQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,920 contacts → |
“Modern Technology Solutions, Inc.(MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Scientific Research Corporationscires.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,917 contacts → |
“Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sierra Spacesierraspace.com HQ: Louisville, CO, United StatesReported employees: 1,001-5,000 | Louisville, CO, United States | 1,001-5,000 | Exact match | 1,459 contacts → |
“Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | COLSAcolsa.com HQ: Huntsville, AL, United StatesReported employees: 1,001-5,000 | Huntsville, AL, United States | 1,001-5,000 | Exact match | 1,331 contacts → |
“COLSA Corporation is an engineering and support services company founded in 1980.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SSLsslmda.com HQ: Palo Alto, CA, United StatesReported employees: 1,001-5,000 | Palo Alto, CA, United States | 1,001-5,000 | Exact match | 1,171 contacts → |
“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…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | VT Group VTGvtgdefense.com HQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,168 contacts → |
“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Dulles, VA, United StatesReported employees: 1,001-5,000 | Dulles, VA, United States | 1,001-5,000 | Exact match | 1,054 contacts → |
“Orbital Sciences is now Orbital ATK!” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Radiance Technologiesradiancetech.com HQ: Huntsville, AL, United StatesReported employees: 1,001-5,000 | Huntsville, AL, United States | 1,001-5,000 | Exact match | 1,049 contacts → |
“Radiance Technologies, Inc.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Millennium Space Systemsmillennium-space.com HQ: El Segundo, CA, United StatesReported employees: 501-1,000 | El Segundo, CA, United States | 501-1,000 | Exact match | 826 contacts → |
“From missile warning to advanced national security space missions, Millennium rapidly delivers affordable prototype and constellation solutions across orbits.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Teledyne Brown Engineeringtbe.com HQ: Huntsville, United StatesReported employees: 1,001-5,000 | Huntsville, United States | 1,001-5,000 | Exact match | 822 contacts → |
“Teledyne Brown Engineering is a leader in providing innovative systems engineering, integration, operations and advanced manufacturing solutions for defense, space, marine and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TSCtsc.com HQ: Arlington, VA, United StatesReported employees: 501-1,000 | Arlington, VA, United States | 501-1,000 | Exact match | 808 contacts → |
“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Arcfieldarcfield.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 798 contacts → |
“Arcfield was purpose-built to protect the nation and its allies through innovations in systems engineering and integration, space and mission launch assurance, cybersecurity and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | KAY And Associates, INCkayinc.com HQ: Buffalo Grove, IL, United StatesReported employees: 501-1,000 | Buffalo Grove, IL, United States | 501-1,000 | Exact match | 754 contacts → |
“Kay and Associates, Inc.(KAI) was established in 1960 by our founder Donald Kay to provide high quality, cost effective solutions in response to the need for engineering and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Marotta Controlsmarotta.com HQ: Montville, NJ, United StatesReported employees: 501-1,000 | Montville, NJ, United States | 501-1,000 | Exact match | 676 contacts → |
“Marotta Controls is the place where aerospace and defense system designers can find world class resources and solutions for controlling pressure, motion, fluid, electronics and…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ghafari Associatesghafari.com HQ: Dearborn, MI, United StatesReported employees: 501-1,000 | Dearborn, MI, United States | 501-1,000 | Exact match | 670 contacts → |
“An innovator since 1982, Ghafari embraces an integrated design approach to deliver solutions that synergize building operations, systems, and people.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Barrios Technologybarrios.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 581 contacts → |
“Barrios Technology is an award-winning, woman-owned and operated small aerospace business.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ares Corporationarescorporation.com HQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 518 contacts → |
“ARES Corporation is one of the foremost Engineering, Project Management, Reliability and Mission Assurance, IT Architecture and Security, and Software Solutions companies in the…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Space systems engineering firms: dataset insights
September 18, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,444 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,446 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 18, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Space systems engineering firms by metro
Questions about this company list
What does Exact match mean for space systems engineering firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many space systems engineering firms did RevenueBase find based in the United States?
The saved snapshot records 1,446 matching company records, 102,442 tracked contacts and 11,259 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Space systems engineering firms by geography
- Space systems engineering firms based in Huntsville, United States
- Space systems engineering firms based in San Diego, United States
- Space systems engineering firms based in Washington, United States
- Space systems engineering firms based in Australia
- Space systems engineering firms based in Brazil
- Space systems engineering firms based in Canada
- Space systems engineering firms based in France
- Space systems engineering firms based in Germany
- Space systems engineering firms based in India
- Space systems engineering firms based in Israel
- Space systems engineering firms based in Italy
- Space systems engineering firms based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 space systems engineering firms based in the United States. Snapshot: September 18, 2026. https://revenuebase.ai/companies/space-systems-engineering-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Space systems engineering firms based in Brazil
- Space systems engineering firms based in Canada