Company lists · Data refreshed November 2026
Top 25 Systems engineering companies based in the United States
RevenueBase identified 3,814 company matches for systems engineering companies associated with the United States as of November 2026 and tracks 129,587 professional contacts across them, including 34,670 with verified work emails. Washington is the largest hub.
This list covers company matches for systems engineering companies 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 November 6, 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 systems engineering companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,517 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,827 contacts → | ||||
Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,477 contacts → | ||||
Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,397 contacts → | ||||
Exact match “Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,219 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,030 contacts → | ||||
Exact match “ARi is a global engineering firm headquartered in East Peoria, Illinois, USA offering services for: Embedded Software, Product Engineering, Manufacturing Engineering and Testing &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 944 contacts → | ||||
Exact match “Data Systems Analysts (DSA) is a mission technology company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 932 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 904 contacts → | ||||
Exact match “Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 869 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 812 contacts → | ||||
Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 796 contacts → | ||||
Exact match “Kay and Associates, Inc.(KAI) has kept the world's most demanding fleets mission-ready since 1960.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 727 contacts → | ||||
Exact match “SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 685 contacts → | ||||
Exact match “Wunderlich-Malec Engineering is a nationally recognized, 100% employee-owned leader in advanced engineering and control system solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 683 contacts → | ||||
Exact match “Abacus Technology Corporation delivers leading edge, high quality assistance in response to complex technology challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 638 contacts → | ||||
Exact match “Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 626 contacts → | ||||
Exact match “In a world where one superhero can handle almost any problem, our entire team of award-winning technology experts is on a mission to make your business better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 612 contacts → | ||||
Exact match “LinQuest delivers performance excellence across the Air, Land, Sea, Space, and Cyberspace domains.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 603 contacts → | ||||
Exact match “SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 564 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 542 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 537 contacts → | ||||
Exact match “Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 529 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 526 contacts → | ||||
Exact match “For more than 20 years, JANUS has forged our reputation for technical excellence, innovation, cost-schedule performance, and customer service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 524 contacts → | ||||
Exact match “Sev1Tech is a leader in providing innovative technology, high-end engineering and mission solutions and services.” Recorded in the RevenueBase company graph · Nov 6, 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 “systems engineering companies”. 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 3,814 systems engineering companies based in the United States
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Systems engineering companies based in the United States at a glance
As of Nov 6, 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 3,814 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 “systems engineering companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 34,670 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 November 6, 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.
Systems engineering companies by metro
- Systems engineering companies in Washington92
- Systems engineering companies in Huntsville69
- Systems engineering companies in Arlington60
- Systems engineering companies in Houston55
- Systems engineering companies in San Diego55
- Systems engineering companies in Alexandria52
- Systems engineering companies in Columbia49
- Systems engineering companies in Reston49
- Systems engineering companies in Chantilly46
- Systems engineering companies in Fairfax44
- Systems engineering companies in Austin42
- Systems engineering companies in Atlanta39
- Systems engineering companies in Herndon39
- Systems engineering companies in New York38
- Systems engineering companies in Orlando33
- Systems engineering companies in Mclean32
- Systems engineering companies in San Antonio27
- Systems engineering companies in Seattle26
- Systems engineering companies in Vienna26
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 “systems engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many systems engineering companies are there based in the United States?
RevenueBase identified 3,814 company matches for systems engineering companies associated with the United States as of November 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?
AEGIS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most systems engineering companies?
Washington leads with 92 company records, followed by Huntsville (69) and Arlington (60).
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 34,670 professional contacts with verified work emails tracked across these 3,814 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,814 systems engineering companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Systems engineering companies by geography
- Systems engineering companies based in Buenos Aires, Argentina
- Systems engineering companies based in Brisbane, Australia
- Systems engineering companies based in Canberra, Australia
- Systems engineering companies based in Melbourne, Australia
- Systems engineering companies based in Sydney, Australia
- Systems engineering companies based in Sao Paulo, Brazil
- Systems engineering companies based in Calgary, Canada
- Systems engineering companies based in Montreal, Canada
- Systems engineering companies based in Ottawa, Canada
- Systems engineering companies based in Toronto, Canada
- Systems engineering companies based in Paris, France
- Systems engineering companies based in Bangalore, India
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
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- Systems engineering companies based in Buenos Aires, Argentina
- Systems engineering companies based in Brisbane, Australia
- Systems engineering companies based in Canberra, Australia
- Systems engineering companies based in Melbourne, Australia
- Systems engineering companies based in Sydney, Australia
- Systems engineering companies based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 systems engineering companies 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 3,814 matching company records for systems engineering companies based in the United States, with 129,587 tracked contacts and 34,670 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: November 6, 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 systems engineering companies 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 |  AEGISaegisgrp.comHQ: Seattle, WA, United StatesReported employees: Not recorded | Seattle, WA, United States | Not recorded | Exact match | 2,517 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bowman Consultingbowman.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,827 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Davey Resource Group, INCdaveyresourcegroup.comHQ: Kent, OH, United StatesReported employees: 1,001-5,000 | Kent, OH, United States | 1,001-5,000 | Exact match | 1,477 contacts → |
“Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Engility Corporationsaic.comHQ: Reston, VA, United StatesReported employees: 5,001-10,000 | Reston, VA, United States | 5,001-10,000 | Exact match | 1,397 contacts → |
“Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  VT Group VTGvtgdefense.comHQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,219 contacts → |
“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ARIarigs.comHQ: East Peoria, IL, United StatesReported employees: 1,001-5,000 | East Peoria, IL, United States | 1,001-5,000 | Exact match | 1,030 contacts → |
“ARi is a global engineering firm headquartered in East Peoria, Illinois, USA offering services for: Embedded Software, Product Engineering, Manufacturing Engineering and Testing &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  DSAdsainc.comHQ: Trevose, VA, United StatesReported employees: 201-500 | Trevose, VA, United States | 201-500 | Exact match | 944 contacts → |
“Data Systems Analysts (DSA) is a mission technology company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  TSCtsc.comHQ: Arlington, MD, United StatesReported employees: 501-1,000 | Arlington, MD, United States | 501-1,000 | Exact match | 932 contacts → |
“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Mesa Associates, INCmesainc.comHQ: Madison, OH, United StatesReported employees: 1,001-5,000 | Madison, OH, United States | 1,001-5,000 | Exact match | 904 contacts → |
“Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Teledyne Brown Engineeringtbe.comHQ: Huntsville, United StatesReported employees: 1,001-5,000 | Huntsville, United States | 1,001-5,000 | Exact match | 869 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Reston, DE, United StatesReported employees: 201-500 | Reston, DE, United States | 201-500 | Exact match | 812 contacts → |
“Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  KAY And Associates, INCkayinc.comHQ: Buffalo Grove, IL, United StatesReported employees: 501-1,000 | Buffalo Grove, IL, United States | 501-1,000 | Exact match | 796 contacts → |
“Kay and Associates, Inc.(KAI) has kept the world's most demanding fleets mission-ready since 1960.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  STG INCsosi.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 727 contacts → |
“SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Wunderlich-Malec Engineering, INCwmeng.comHQ: Eden Prairie, VA, United StatesReported employees: 501-1,000 | Eden Prairie, VA, United States | 501-1,000 | Exact match | 685 contacts → |
“Wunderlich-Malec Engineering is a nationally recognized, 100% employee-owned leader in advanced engineering and control system solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Abacus Technology Corporationabacustech.comHQ: Chevy Chase, MD, United StatesReported employees: 501-1,000 | Chevy Chase, MD, United States | 501-1,000 | Exact match | 683 contacts → |
“Abacus Technology Corporation delivers leading edge, high quality assistance in response to complex technology challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Planned Systems Internationalplan-sys.comHQ: Columbia, VA, United StatesReported employees: 1,001-5,000 | Columbia, VA, United States | 1,001-5,000 | Exact match | 638 contacts → |
“Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Respecrespec.comHQ: Rapid City, KY, United StatesReported employees: 501-1,000 | Rapid City, KY, United States | 501-1,000 | Exact match | 626 contacts → |
“In a world where one superhero can handle almost any problem, our entire team of award-winning technology experts is on a mission to make your business better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Linquestlinquest.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 612 contacts → |
“LinQuest delivers performance excellence across the Air, Land, Sea, Space, and Cyberspace domains.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Srinsoft INCsrinsofttech.comHQ: Boca Raton, FL, United StatesReported employees: 501-1,000 | Boca Raton, FL, United States | 501-1,000 | Exact match | 603 contacts → |
“SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Life Cycle Engineeringlce.comHQ: Charleston, SC, United StatesReported employees: 501-1,000 | Charleston, SC, United States | 501-1,000 | Exact match | 564 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ares Corporationarescorporation.comHQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 542 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Tista Science And Technology Corporationtistatech.comHQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 537 contacts → |
“Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ASECasec-incorporated.comHQ: Lexington Park, FL, United StatesReported employees: 501-1,000 | Lexington Park, FL, United States | 501-1,000 | Exact match | 529 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Janus Research Groupjanusresearch.comHQ: Evans, GA, United StatesReported employees: 201-500 | Evans, GA, United States | 201-500 | Exact match | 526 contacts → |
“For more than 20 years, JANUS has forged our reputation for technical excellence, innovation, cost-schedule performance, and customer service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sev1tech LLCsev1tech.comHQ: Woodbridge, VA, United StatesReported employees: 501-1,000 | Woodbridge, VA, United States | 501-1,000 | Exact match | 524 contacts → |
“Sev1Tech is a leader in providing innovative technology, high-end engineering and mission solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,814 company matches
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Systems engineering companies: dataset insights
November 6, 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
3,808 records in the displayed employee bands.
6 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 3,814 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: November 6, 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 ↗
Systems engineering companies by metro
- Systems engineering companies in Washington92
- Systems engineering companies in Huntsville69
- Systems engineering companies in Arlington60
- Systems engineering companies in Houston55
- Systems engineering companies in San Diego55
- Systems engineering companies in Alexandria52
- Systems engineering companies in Columbia49
- Systems engineering companies in Reston49
- Systems engineering companies in Chantilly46
- Systems engineering companies in Fairfax44
- Systems engineering companies in Austin42
- Systems engineering companies in Atlanta39
- Systems engineering companies in Herndon39
- Systems engineering companies in New York38
- Systems engineering companies in Orlando33
- Systems engineering companies in Mclean32
- Systems engineering companies in San Antonio27
- Systems engineering companies in Seattle26
- Systems engineering companies in Vienna26
Questions about this company list
What does Exact match mean for systems engineering companies?
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 systems engineering companies did RevenueBase find based in the United States?
The saved snapshot records 3,814 matching company records, 129,587 tracked contacts and 34,670 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: November 6, 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
Systems engineering companies by geography
- Systems engineering companies based in Buenos Aires, Argentina
- Systems engineering companies based in Brisbane, Australia
- Systems engineering companies based in Canberra, Australia
- Systems engineering companies based in Melbourne, Australia
- Systems engineering companies based in Sydney, Australia
- Systems engineering companies based in Sao Paulo, Brazil
- Systems engineering companies based in Calgary, Canada
- Systems engineering companies based in Montreal, Canada
- Systems engineering companies based in Ottawa, Canada
- Systems engineering companies based in Toronto, Canada
- Systems engineering companies based in Paris, France
- Systems engineering companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 systems engineering companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/systems-engineering-companies/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
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- Systems engineering companies based in Buenos Aires, Argentina
- Systems engineering companies based in Brisbane, Australia
- Systems engineering companies based in Canberra, Australia
- Systems engineering companies based in Melbourne, Australia
- Systems engineering companies based in Sydney, Australia
- Systems engineering companies based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 systems engineering companies based in the United States
RevenueBase records 3,814 matching company records for systems engineering companies based in the United States, with 129,587 tracked contacts and 34,670 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: November 6, 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 systems engineering companies 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 | AEGISaegisgrp.com HQ: Seattle, WA, United StatesReported employees: Not recorded | Seattle, WA, United States | Not recorded | Exact match | 2,517 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bowman Consultingbowman.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,827 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Davey Resource Group, INCdaveyresourcegroup.com HQ: Kent, OH, United StatesReported employees: 1,001-5,000 | Kent, OH, United States | 1,001-5,000 | Exact match | 1,477 contacts → |
“Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Engility Corporationsaic.com HQ: Reston, VA, United StatesReported employees: 5,001-10,000 | Reston, VA, United States | 5,001-10,000 | Exact match | 1,397 contacts → |
“Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | VT Group VTGvtgdefense.com HQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,219 contacts → |
“VTG delivers force modernization and digital transformation solutions that expand America’s competitive advantage in the modern battlespace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ARIarigs.com HQ: East Peoria, IL, United StatesReported employees: 1,001-5,000 | East Peoria, IL, United States | 1,001-5,000 | Exact match | 1,030 contacts → |
“ARi is a global engineering firm headquartered in East Peoria, Illinois, USA offering services for: Embedded Software, Product Engineering, Manufacturing Engineering and Testing &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | DSAdsainc.com HQ: Trevose, VA, United StatesReported employees: 201-500 | Trevose, VA, United States | 201-500 | Exact match | 944 contacts → |
“Data Systems Analysts (DSA) is a mission technology company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | TSCtsc.com HQ: Arlington, MD, United StatesReported employees: 501-1,000 | Arlington, MD, United States | 501-1,000 | Exact match | 932 contacts → |
“TSC is an employee-owned, high technology company engaged in providing engineering services and specialized products to U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Mesa Associates, INCmesainc.com HQ: Madison, OH, United StatesReported employees: 1,001-5,000 | Madison, OH, United States | 1,001-5,000 | Exact match | 904 contacts → |
“Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Teledyne Brown Engineeringtbe.com HQ: Huntsville, United StatesReported employees: 1,001-5,000 | Huntsville, United States | 1,001-5,000 | Exact match | 869 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Reston, DE, United StatesReported employees: 201-500 | Reston, DE, United States | 201-500 | Exact match | 812 contacts → |
“Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 | 796 contacts → |
“Kay and Associates, Inc.(KAI) has kept the world's most demanding fleets mission-ready since 1960.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | STG INCsosi.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 727 contacts → |
“SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wunderlich-Malec Engineering, INCwmeng.com HQ: Eden Prairie, VA, United StatesReported employees: 501-1,000 | Eden Prairie, VA, United States | 501-1,000 | Exact match | 685 contacts → |
“Wunderlich-Malec Engineering is a nationally recognized, 100% employee-owned leader in advanced engineering and control system solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Abacus Technology Corporationabacustech.com HQ: Chevy Chase, MD, United StatesReported employees: 501-1,000 | Chevy Chase, MD, United States | 501-1,000 | Exact match | 683 contacts → |
“Abacus Technology Corporation delivers leading edge, high quality assistance in response to complex technology challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Planned Systems Internationalplan-sys.com HQ: Columbia, VA, United StatesReported employees: 1,001-5,000 | Columbia, VA, United States | 1,001-5,000 | Exact match | 638 contacts → |
“Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Respecrespec.com HQ: Rapid City, KY, United StatesReported employees: 501-1,000 | Rapid City, KY, United States | 501-1,000 | Exact match | 626 contacts → |
“In a world where one superhero can handle almost any problem, our entire team of award-winning technology experts is on a mission to make your business better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Linquestlinquest.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 612 contacts → |
“LinQuest delivers performance excellence across the Air, Land, Sea, Space, and Cyberspace domains.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Srinsoft INCsrinsofttech.com HQ: Boca Raton, FL, United StatesReported employees: 501-1,000 | Boca Raton, FL, United States | 501-1,000 | Exact match | 603 contacts → |
“SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Life Cycle Engineeringlce.com HQ: Charleston, SC, United StatesReported employees: 501-1,000 | Charleston, SC, United States | 501-1,000 | Exact match | 564 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ares Corporationarescorporation.com HQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 542 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Tista Science And Technology Corporationtistatech.com HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 537 contacts → |
“Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ASECasec-incorporated.com HQ: Lexington Park, FL, United StatesReported employees: 501-1,000 | Lexington Park, FL, United States | 501-1,000 | Exact match | 529 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Janus Research Groupjanusresearch.com HQ: Evans, GA, United StatesReported employees: 201-500 | Evans, GA, United States | 201-500 | Exact match | 526 contacts → |
“For more than 20 years, JANUS has forged our reputation for technical excellence, innovation, cost-schedule performance, and customer service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sev1tech LLCsev1tech.com HQ: Woodbridge, VA, United StatesReported employees: 501-1,000 | Woodbridge, VA, United States | 501-1,000 | Exact match | 524 contacts → |
“Sev1Tech is a leader in providing innovative technology, high-end engineering and mission solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,814 company matches
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Systems engineering companies: dataset insights
November 6, 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
3,808 records in the displayed employee bands.
6 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 3,814 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: November 6, 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 ↗
Systems engineering companies by metro
- Systems engineering companies in Washington92
- Systems engineering companies in Huntsville69
- Systems engineering companies in Arlington60
- Systems engineering companies in Houston55
- Systems engineering companies in San Diego55
- Systems engineering companies in Alexandria52
- Systems engineering companies in Columbia49
- Systems engineering companies in Reston49
- Systems engineering companies in Chantilly46
- Systems engineering companies in Fairfax44
- Systems engineering companies in Austin42
- Systems engineering companies in Atlanta39
- Systems engineering companies in Herndon39
- Systems engineering companies in New York38
- Systems engineering companies in Orlando33
- Systems engineering companies in Mclean32
- Systems engineering companies in San Antonio27
- Systems engineering companies in Seattle26
- Systems engineering companies in Vienna26
Questions about this company list
What does Exact match mean for systems engineering companies?
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 systems engineering companies did RevenueBase find based in the United States?
The saved snapshot records 3,814 matching company records, 129,587 tracked contacts and 34,670 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: November 6, 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
Systems engineering companies by geography
- Systems engineering companies based in Buenos Aires, Argentina
- Systems engineering companies based in Brisbane, Australia
- Systems engineering companies based in Canberra, Australia
- Systems engineering companies based in Melbourne, Australia
- Systems engineering companies based in Sydney, Australia
- Systems engineering companies based in Sao Paulo, Brazil
- Systems engineering companies based in Calgary, Canada
- Systems engineering companies based in Montreal, Canada
- Systems engineering companies based in Ottawa, Canada
- Systems engineering companies based in Toronto, Canada
- Systems engineering companies based in Paris, France
- Systems engineering companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 systems engineering companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/systems-engineering-companies/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
- Systems engineering companies based in Buenos Aires, Argentina
- Systems engineering companies based in Brisbane, Australia
- Systems engineering companies based in Canberra, Australia
- Systems engineering companies based in Melbourne, Australia
- Systems engineering companies based in Sydney, Australia
- Systems engineering companies based in Sao Paulo, Brazil