Company lists · Data refreshed October 2026
Top 25 Defense engineering services based in the United States
RevenueBase identified 777 company matches for defense engineering services associated with the United States as of October 2026 and tracks 249,980 professional contacts across them, including 19,614 with verified work emails. Huntsville is the largest hub.
This list covers company matches for defense engineering services 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 October 11, 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 defense engineering services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 76,380 contacts → | ||||
Exact match “We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 44,552 contacts → | ||||
Exact match “Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 3 | 25,850 contacts → | ||||
Exact match “L3Harris Technologies is the Trusted Disruptor in the defense industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 4 | 20,226 contacts → | ||||
Exact match “Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 13,705 contacts → | ||||
Exact match “Improving the future and protecting lives is an ambitious mission, but it’s what we do.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 6,372 contacts → | ||||
Exact match “Leonardo DRS Inc.(Nasdaq: DRS) is at the forefront of developing transformative defense technologies using its proven agility and delivering innovative solutions for U.S.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 5,112 contacts → | ||||
Exact match “Belcan, a Cognizant company is a global supplier of engineering, manufacturing & supply chain, workforce and government IT solutions to customers in the aerospace, defense…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 8 | 2,805 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 2,712 contacts → | ||||
Exact match “At Kratos, we deliver affordable, disruptive technologies that enable real-world readiness for national security.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 2,454 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 11 | 2,015 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 12 | 1,449 contacts → | ||||
Exact match “Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 1,404 contacts → | ||||
Exact match “For over 60 years, QinetiQ US has been providing world-class technology development, engineering research and development and revolutionary products to the defense, security, and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 1,211 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 15 | 1,082 contacts → | ||||
Exact match “Agile Defense: Always Evolving Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 16 | 1,064 contacts → | ||||
Exact match “Radiance Technologies, Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 17 | 934 contacts → | ||||
Exact match “Element U.S.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 888 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 835 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 20 | 767 contacts → | ||||
Exact match “Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 21 | 576 contacts → | ||||
Exact match “We will be the first to identify and solve the Intelligence and Defense Communities’ toughest engineering and operational problems by establishing a true partnership with our…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 555 contacts → | ||||
Exact match “Life Cycle Engineering (LCE) provides consulting, engineering, information technology and education solutions that deliver lasting results for private industry, public entities…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 532 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 24 | 516 contacts → | ||||
Exact match “ASEC is an award-winning, 100% employee-owned business specializing in engineering, IT, training, and logistics, ensuring mission success through specialized expertise and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 503 contacts → | ||||
Exact match “Bastion Technologies is a multi-disciplined engineering and technical services company headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Oct 11, 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 “defense engineering services”. 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 777 defense engineering services based in the United States
See the full list, filter by size, metro and specialty, and access 19,614 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Defense engineering services based in the United States at a glance
As of Oct 11, 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 777 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 “defense engineering services” 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 19,614 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 October 11, 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.
Defense engineering services 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 “defense engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many defense engineering services are there based in the United States?
RevenueBase identified 777 company matches for defense engineering services associated with the United States as of October 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?
Northrop Grumman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most defense engineering services?
Huntsville leads with 65 company records, followed by Arlington (25) and Washington (19).
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 19,614 professional contacts with verified work emails tracked across these 777 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 October 11, 2026.
Ready to reach these companies? Verified emails and direct dials for all 777 defense engineering services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Defense engineering services by geography
- Defense engineering services based in Ankara, Türkiye
- Defense engineering services based in Arlington, United States
- Defense engineering services based in Huntsville, United States
- Defense engineering services based in Australia
- Defense engineering services based in Canada
- Defense engineering services based in Germany
- Defense engineering services based in India
- Defense engineering services based in Israel
- Defense engineering services based in Spain
- Defense engineering services based in Türkiye
- Defense engineering services based in the United Kingdom
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
- Defense engineering services based in Ankara, Türkiye
- Defense engineering services based in Arlington, United States
- Defense engineering services based in Huntsville, United States
- Defense engineering services based in Australia
- Defense engineering services based in Canada
- Defense engineering services based in Germany
Company intelligence · public preview
Top 25 defense engineering services 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 777 matching company records for defense engineering services based in the United States, with 249,980 tracked contacts and 19,614 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: October 11, 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 defense engineering services 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 |  Northrop Grummannorthropgrumman.comHQ: Falls Church, VA, United StatesReported employees: 10001+ | Falls Church, VA, United States | 10001+ | Exact match | 76,380 contacts → |
“We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Raytheonrtx.comHQ: Arlington, VA, United StatesReported employees: 10001+ | Arlington, VA, United States | 10001+ | Exact match | 44,552 contacts → |
“Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  L3harris Technologiesl3harris.comHQ: Melbourne, FL, United StatesReported employees: 10001+ | Melbourne, FL, United States | 10001+ | Exact match | 25,850 contacts → |
“L3Harris Technologies is the Trusted Disruptor in the defense industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Parsons Corporationparsons.comHQ: Chantilly, VA, United StatesReported employees: 10001+ | Chantilly, VA, United States | 10001+ | Exact match | 20,226 contacts → |
“Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BAE Systems, INCbaesystems.comHQ: Falls Church, VA, United StatesReported employees: 10001+ | Falls Church, VA, United States | 10001+ | Exact match | 13,705 contacts → |
“Improving the future and protecting lives is an ambitious mission, but it’s what we do.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Leonardo DRSleonardodrs.comHQ: Arlington, VA, United StatesReported employees: 5,001-10,000 | Arlington, VA, United States | 5,001-10,000 | Exact match | 6,372 contacts → |
“Leonardo DRS Inc.(Nasdaq: DRS) is at the forefront of developing transformative defense technologies using its proven agility and delivering innovative solutions for U.S.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Belcanbelcan.comHQ: Cincinnati, OH, United StatesReported employees: 5,001-10,000 | Cincinnati, OH, United States | 5,001-10,000 | Exact match | 5,112 contacts → |
“Belcan, a Cognizant company is a global supplier of engineering, manufacturing & supply chain, workforce and government IT solutions to customers in the aerospace, defense…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ARAara.comHQ: Albuquerque, NM, United StatesReported employees: 1,001-5,000 | Albuquerque, NM, United States | 1,001-5,000 | Exact match | 2,805 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Kratos Defense And Security Solutionskratosdefense.comHQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 2,712 contacts → |
“At Kratos, we deliver affordable, disruptive technologies that enable real-world readiness for national security.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  AEGISaegisgrp.comHQ: Seattle, WA, United StatesReported employees: Not recorded | Seattle, WA, United States | Not recorded | Exact match | 2,454 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 | 2,015 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Dynetics, INCleidos.comHQ: Huntsville, AL, United StatesReported employees: 10001+ | Huntsville, AL, United States | 10001+ | Exact match | 1,449 contacts → |
“Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Qinetiq USqinetiq.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,404 contacts → |
“For over 60 years, QinetiQ US has been providing world-class technology development, engineering research and development and revolutionary products to the defense, security, and…” Recorded description excerpt · October 11, 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 | 1,211 contacts → |
“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Agile Defenseagiledefense.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,082 contacts → |
“Agile Defense: Always Evolving Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and…” Recorded description excerpt · October 11, 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 | 1,064 contacts → |
“Radiance Technologies, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  NTSnts.comHQ: Belcamp, MD, United StatesReported employees: 201-500 | Belcamp, MD, United States | 201-500 | Exact match | 934 contacts → |
“Element U.S.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Arcfieldarcfield.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 888 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 · October 11, 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 | 835 contacts → |
“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Precise Systems, INCgoprecise.comHQ: Lexington Park, MD, United StatesReported employees: 1,001-5,000 | Lexington Park, MD, United States | 1,001-5,000 | Exact match | 767 contacts → |
“Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Icr, INCicr-team.comHQ: Aurora, CO, United StatesReported employees: 501-1,000 | Aurora, CO, United States | 501-1,000 | Exact match | 576 contacts → |
“We will be the first to identify and solve the Intelligence and Defense Communities’ toughest engineering and operational problems by establishing a true partnership with our…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Life Cycle Engineeringlce.com HQ: Charleston, SC, United StatesReported employees: 501-1,000 | Charleston, SC, United States | 501-1,000 | Exact match | 555 contacts → |
“Life Cycle Engineering (LCE) provides consulting, engineering, information technology and education solutions that deliver lasting results for private industry, public entities…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ares Corporationarescorporation.comHQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 532 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  ASECasec-incorporated.comHQ: Lexington Park, MD, United StatesReported employees: 501-1,000 | Lexington Park, MD, United States | 501-1,000 | Exact match | 516 contacts → |
“ASEC is an award-winning, 100% employee-owned business specializing in engineering, IT, training, and logistics, ensuring mission success through specialized expertise and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Bastion Technologies, INCbastiontechnologies.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 503 contacts → |
“Bastion Technologies is a multi-disciplined engineering and technical services company headquartered in Houston, Texas.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 777 company matches
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Defense engineering services: dataset insights
October 11, 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
775 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 777 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: October 11, 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 ↗
Defense engineering services by metro
Questions about this company list
What does Exact match mean for defense engineering services?
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 defense engineering services did RevenueBase find based in the United States?
The saved snapshot records 777 matching company records, 249,980 tracked contacts and 19,614 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: October 11, 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
Defense engineering services by geography
- Defense engineering services based in Ankara, Türkiye
- Defense engineering services based in Arlington, United States
- Defense engineering services based in Huntsville, United States
- Defense engineering services based in Australia
- Defense engineering services based in Canada
- Defense engineering services based in Germany
- Defense engineering services based in India
- Defense engineering services based in Israel
- Defense engineering services based in Spain
- Defense engineering services based in Türkiye
- Defense engineering services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 defense engineering services based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/defense-engineering-services/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
- Defense engineering services based in Ankara, Türkiye
- Defense engineering services based in Arlington, United States
- Defense engineering services based in Huntsville, United States
- Defense engineering services based in Australia
- Defense engineering services based in Canada
- Defense engineering services based in Germany
Company intelligence · public preview
Top 25 defense engineering services based in the United States
RevenueBase records 777 matching company records for defense engineering services based in the United States, with 249,980 tracked contacts and 19,614 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: October 11, 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 defense engineering services 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 | Northrop Grummannorthropgrumman.com HQ: Falls Church, VA, United StatesReported employees: 10001+ | Falls Church, VA, United States | 10001+ | Exact match | 76,380 contacts → |
“We are a close-knit community of big thinkers collaborating to keep the world safe.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Raytheonrtx.com HQ: Arlington, VA, United StatesReported employees: 10001+ | Arlington, VA, United States | 10001+ | Exact match | 44,552 contacts → |
“Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | L3harris Technologiesl3harris.com HQ: Melbourne, FL, United StatesReported employees: 10001+ | Melbourne, FL, United States | 10001+ | Exact match | 25,850 contacts → |
“L3Harris Technologies is the Trusted Disruptor in the defense industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Parsons Corporationparsons.com HQ: Chantilly, VA, United StatesReported employees: 10001+ | Chantilly, VA, United States | 10001+ | Exact match | 20,226 contacts → |
“Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BAE Systems, INCbaesystems.com HQ: Falls Church, VA, United StatesReported employees: 10001+ | Falls Church, VA, United States | 10001+ | Exact match | 13,705 contacts → |
“Improving the future and protecting lives is an ambitious mission, but it’s what we do.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Leonardo DRSleonardodrs.com HQ: Arlington, VA, United StatesReported employees: 5,001-10,000 | Arlington, VA, United States | 5,001-10,000 | Exact match | 6,372 contacts → |
“Leonardo DRS Inc.(Nasdaq: DRS) is at the forefront of developing transformative defense technologies using its proven agility and delivering innovative solutions for U.S.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Belcanbelcan.com HQ: Cincinnati, OH, United StatesReported employees: 5,001-10,000 | Cincinnati, OH, United States | 5,001-10,000 | Exact match | 5,112 contacts → |
“Belcan, a Cognizant company is a global supplier of engineering, manufacturing & supply chain, workforce and government IT solutions to customers in the aerospace, defense…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ARAara.com HQ: Albuquerque, NM, United StatesReported employees: 1,001-5,000 | Albuquerque, NM, United States | 1,001-5,000 | Exact match | 2,805 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Kratos Defense And Security Solutionskratosdefense.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 2,712 contacts → |
“At Kratos, we deliver affordable, disruptive technologies that enable real-world readiness for national security.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AEGISaegisgrp.com HQ: Seattle, WA, United StatesReported employees: Not recorded | Seattle, WA, United States | Not recorded | Exact match | 2,454 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 | 2,015 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Dynetics, INCleidos.com HQ: Huntsville, AL, United StatesReported employees: 10001+ | Huntsville, AL, United States | 10001+ | Exact match | 1,449 contacts → |
“Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Qinetiq USqinetiq.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,404 contacts → |
“For over 60 years, QinetiQ US has been providing world-class technology development, engineering research and development and revolutionary products to the defense, security, and…” Recorded description excerpt · October 11, 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 | 1,211 contacts → |
“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Agile Defenseagiledefense.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,082 contacts → |
“Agile Defense: Always Evolving Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and…” Recorded description excerpt · October 11, 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 | 1,064 contacts → |
“Radiance Technologies, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | NTSnts.com HQ: Belcamp, MD, United StatesReported employees: 201-500 | Belcamp, MD, United States | 201-500 | Exact match | 934 contacts → |
“Element U.S.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Arcfieldarcfield.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 888 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 · October 11, 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 | 835 contacts → |
“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Precise Systems, INCgoprecise.com HQ: Lexington Park, MD, United StatesReported employees: 1,001-5,000 | Lexington Park, MD, United States | 1,001-5,000 | Exact match | 767 contacts → |
“Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Icr, INCicr-team.com HQ: Aurora, CO, United StatesReported employees: 501-1,000 | Aurora, CO, United States | 501-1,000 | Exact match | 576 contacts → |
“We will be the first to identify and solve the Intelligence and Defense Communities’ toughest engineering and operational problems by establishing a true partnership with our…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Life Cycle Engineeringlce.com HQ: Charleston, SC, United StatesReported employees: 501-1,000 | Charleston, SC, United States | 501-1,000 | Exact match | 555 contacts → |
“Life Cycle Engineering (LCE) provides consulting, engineering, information technology and education solutions that deliver lasting results for private industry, public entities…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ares Corporationarescorporation.com HQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 532 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 · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ASECasec-incorporated.com HQ: Lexington Park, MD, United StatesReported employees: 501-1,000 | Lexington Park, MD, United States | 501-1,000 | Exact match | 516 contacts → |
“ASEC is an award-winning, 100% employee-owned business specializing in engineering, IT, training, and logistics, ensuring mission success through specialized expertise and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Bastion Technologies, INCbastiontechnologies.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 503 contacts → |
“Bastion Technologies is a multi-disciplined engineering and technical services company headquartered in Houston, Texas.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 777 company matches
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Defense engineering services: dataset insights
October 11, 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
775 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 777 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: October 11, 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 ↗
Defense engineering services by metro
Questions about this company list
What does Exact match mean for defense engineering services?
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 defense engineering services did RevenueBase find based in the United States?
The saved snapshot records 777 matching company records, 249,980 tracked contacts and 19,614 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: October 11, 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
Defense engineering services by geography
- Defense engineering services based in Ankara, Türkiye
- Defense engineering services based in Arlington, United States
- Defense engineering services based in Huntsville, United States
- Defense engineering services based in Australia
- Defense engineering services based in Canada
- Defense engineering services based in Germany
- Defense engineering services based in India
- Defense engineering services based in Israel
- Defense engineering services based in Spain
- Defense engineering services based in Türkiye
- Defense engineering services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 defense engineering services based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/defense-engineering-services/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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- Defense engineering services based in Ankara, Türkiye
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