Company lists · Data refreshed September 2026
Top 25 Government software contractors based in the United States
RevenueBase identified 1,232 company matches for government software contractors associated with the United States as of September 2026 and tracks 117,755 professional contacts across them, including 30,946 with verified work emails and 52,720 with mobile numbers. Washington is the largest hub.
This list covers company matches for government software contractors associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 3, 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 government software contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 24,019 contacts → | ||||
Exact match “GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 2 | 9,756 contacts → | ||||
Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 3 | 6,863 contacts → | ||||
Exact match “Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 4 | 4,524 contacts → | ||||
Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 5 | 2,378 contacts → | ||||
Exact match “For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 6 | 1,899 contacts → | ||||
Exact match “Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 7 | 1,884 contacts → | ||||
Exact match “DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 8 | 1,693 contacts → | ||||
Exact match “DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 9 | 1,410 contacts → | ||||
Exact match “At Intrepid Global Solutions, we lead the way in mission-critical support where others can’t.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 10 | 1,037 contacts → | ||||
Exact match “Radiance Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 11 | 942 contacts → | ||||
Exact match “Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 12 | 906 contacts → | ||||
Exact match “CivicPlus is the only government technology company exclusively committed to powering and empowering governments to efficiently operate, serve, and govern through the use of our…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 13 | 861 contacts → | ||||
Exact match “REI Systems delivers reliable and innovative technology solutions that empower federal, state, local, and nonprofit organizations to achieve their missions.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 14 | 830 contacts → | ||||
Exact match “At Cognosante, we help create a safe, healthy, more equitable nation for all.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 15 | 817 contacts → | ||||
Exact match “i3 Verticals seamlessly delivers integrated software and services to customers in Public Sector markets.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 16 | 771 contacts → | ||||
Exact match “CALIBRE Systems, Inc.(CALIBRE) is an employee-owned mission-focused solutions and digital transformation company supporting government and industry.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 17 | 752 contacts → | ||||
Exact match “Kay and Associates, Inc.(KAI) was established in 1960 by our founder Donald Kay to provide high quality, cost effective solutions in response to the need for engineering and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 18 | 679 contacts → | ||||
Exact match “HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 19 | 678 contacts → | ||||
Exact match “For over 25 years, NEOGOV has been at the forefront of public-sector innovation, building technology that helps government and education organizations work smarter, move faster…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 20 | 636 contacts → | ||||
Exact match “Telos empowers and protects the world’s most security-conscious organizations with solutions for continuous security assurance of individuals, systems, and information.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 21 | 608 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 · Sep 3, 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 · Sep 3, 2026 · View company records in RevenueBase | |||||
| 23 | 517 contacts → | ||||
Exact match “Euna Solutions® is a leading provider of purpose-built, cloud-based software that helps public sector and government organizations streamline procurement, budgeting, payments…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 24 | 486 contacts → | ||||
Exact match “As of June 1, 2018, we are Perspecta.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase | |||||
| 25 | 414 contacts → | ||||
Exact match “Leveraging three decades of experience, Tapestry Solutions is a global provider of information management software and services for defense, government and commercial customers.” Recorded in the RevenueBase company graph · Sep 3, 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 “government software contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,232 government software contractors based in the United States
See the full list, filter by size, metro and specialty, and access 30,946 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Government software contractors based in the United States at a glance
As of Sep 3, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 “government software contractors” 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 30,946 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 3, 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.
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 “government software contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many government software contractors are there based in the United States?
RevenueBase identified 1,232 company matches for government software contractors associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
General Dynamics Information Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most government software contractors?
Washington leads with 55 company records, followed by Herndon (42) and Chantilly (40).
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 30,946 professional contacts with verified work emails tracked across these 1,232 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,232 government software contractors based in the United States. Start with a free account, no credit card.
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Government software contractors by geography
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
- Government software contractors based in Brazil
- Government software contractors based in France
- Government software contractors based in Germany
- Government software contractors based in India
- Government software contractors based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 government software contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,232 matching company records for government software contractors based in the United States, with 117,755 tracked contacts and 30,946 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 3, 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 government software contractors 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 | HQ: Falls Church, VA, United StatesReported employees: 10001+ | Falls Church, VA, United States | 10001+ | Exact match | 24,019 contacts → |
“GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mantechmantech.comHQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 9,756 contacts → |
“MANTECH is more than a technology company.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Tyler Technologiestylertech.comHQ: Plano, ID, United StatesReported employees: 5,001-10,000 | Plano, ID, United States | 5,001-10,000 | Exact match | 6,863 contacts → |
“Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Asrc Federalasrcfederal.comHQ: Reston, VA, United StatesReported employees: 5,001-10,000 | Reston, VA, United States | 5,001-10,000 | Exact match | 4,524 contacts → |
“ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fast Enterprises, LLCfastenterprises.comHQ: Centennial, ME, United StatesReported employees: 1,001-5,000 | Centennial, ME, United States | 1,001-5,000 | Exact match | 2,378 contacts → |
“For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  American Systemsamericansystems.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,899 contacts → |
“Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  DCS Corpdcscorp.comHQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,884 contacts → |
“DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  DMIdminc.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,693 contacts → |
“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Intrepidgsintrepidgs.comHQ: Cape Canaveral, FL, United StatesReported employees: 1,001-5,000 | Cape Canaveral, FL, United States | 1,001-5,000 | Exact match | 1,410 contacts → |
“At Intrepid Global Solutions, we lead the way in mission-critical support where others can’t.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Radiance Technologiesradiancetech.comHQ: Huntsville, LA, United StatesReported employees: 1,001-5,000 | Huntsville, LA, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Radiance Technologies, Inc.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  The MIL Corporationmilcorp.comHQ: Bowie, MD, United StatesReported employees: 501-1,000 | Bowie, MD, United States | 501-1,000 | Exact match | 942 contacts → |
“Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Civicpluscivicplus.comHQ: Manhattan, KS, United StatesReported employees: 501-1,000 | Manhattan, KS, United States | 501-1,000 | Exact match | 906 contacts → |
“CivicPlus is the only government technology company exclusively committed to powering and empowering governments to efficiently operate, serve, and govern through the use of our…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  REI Systemsreisystems.comHQ: Sterling, VA, United StatesReported employees: 501-1,000 | Sterling, VA, United States | 501-1,000 | Exact match | 861 contacts → |
“REI Systems delivers reliable and innovative technology solutions that empower federal, state, local, and nonprofit organizations to achieve their missions.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cognosantecognosante.comHQ: Falls Church, VA, United StatesReported employees: 1,001-5,000 | Falls Church, VA, United States | 1,001-5,000 | Exact match | 830 contacts → |
“At Cognosante, we help create a safe, healthy, more equitable nation for all.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  I3 Verticalsi3verticals.comHQ: Nashville, TN, United StatesReported employees: 1,001-5,000 | Nashville, TN, United States | 1,001-5,000 | Exact match | 817 contacts → |
“i3 Verticals seamlessly delivers integrated software and services to customers in Public Sector markets.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Calibre Systems, INCcalibresys.comHQ: Alexandria, VA, United StatesReported employees: 501-1,000 | Alexandria, VA, United States | 501-1,000 | Exact match | 771 contacts → |
“CALIBRE Systems, Inc.(CALIBRE) is an employee-owned mission-focused solutions and digital transformation company supporting government and industry.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  KAY And Associates, INCkayinc.comHQ: Buffalo Grove, IL, United StatesReported employees: 501-1,000 | Buffalo Grove, IL, United States | 501-1,000 | Exact match | 752 contacts → |
“Kay and Associates, Inc.(KAI) was established in 1960 by our founder Donald Kay to provide high quality, cost effective solutions in response to the need for engineering and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hx5, LLChxfive.comHQ: Fort Walton Beach, AL, United StatesReported employees: 1,001-5,000 | Fort Walton Beach, AL, United States | 1,001-5,000 | Exact match | 679 contacts → |
“HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Neogovneogov.comHQ: El Segundo, CA, United StatesReported employees: 501-1,000 | El Segundo, CA, United States | 501-1,000 | Exact match | 678 contacts → |
“For over 25 years, NEOGOV has been at the forefront of public-sector innovation, building technology that helps government and education organizations work smarter, move faster…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Telos Corporationtelos.comHQ: Ashburn, NV, United StatesReported employees: 501-1,000 | Ashburn, NV, United States | 501-1,000 | Exact match | 636 contacts → |
“Telos empowers and protects the world’s most security-conscious organizations with solutions for continuous security assurance of individuals, systems, and information.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Planned Systems Internationalplan-sys.comHQ: Columbia, FL, United StatesReported employees: 1,001-5,000 | Columbia, FL, United States | 1,001-5,000 | Exact match | 608 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 · September 3, 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 · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Euna Solutionseunasolutions.comHQ: Sandy Springs, GA, United StatesReported employees: 501-1,000 | Sandy Springs, GA, United States | 501-1,000 | Exact match | 517 contacts → |
“Euna Solutions® is a leading provider of purpose-built, cloud-based software that helps public sector and government organizations streamline procurement, budgeting, payments…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Vencore INCperspecta.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 486 contacts → |
“As of June 1, 2018, we are Perspecta.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Tapestry Solutionstapestrysolutions.comHQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 414 contacts → |
“Leveraging three decades of experience, Tapestry Solutions is a global provider of information management software and services for defense, government and commercial customers.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,232 company matches
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Government software contractors: dataset insights
September 3, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,230 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.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 3, 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 ↗
Questions about this company list
What does Exact match mean for government software contractors?
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 government software contractors did RevenueBase find based in the United States?
The saved snapshot records 1,232 matching company records, 117,755 tracked contacts and 30,946 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 3, 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
Government software contractors by geography
Cite this list
RevenueBase Data Team. Top 25 government software contractors based in the United States. Snapshot: September 3, 2026. https://revenuebase.ai/companies/government-software-contractors/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
- Government software contractors based in Brazil
- Government software contractors based in France
- Government software contractors based in Germany
- Government software contractors based in India
- Government software contractors based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 government software contractors based in the United States
RevenueBase records 1,232 matching company records for government software contractors based in the United States, with 117,755 tracked contacts and 30,946 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 3, 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 government software contractors 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 | HQ: Falls Church, VA, United StatesReported employees: 10001+ | Falls Church, VA, United States | 10001+ | Exact match | 24,019 contacts → |
“GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mantechmantech.com HQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 9,756 contacts → |
“MANTECH is more than a technology company.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Tyler Technologiestylertech.com HQ: Plano, ID, United StatesReported employees: 5,001-10,000 | Plano, ID, United States | 5,001-10,000 | Exact match | 6,863 contacts → |
“Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Asrc Federalasrcfederal.com HQ: Reston, VA, United StatesReported employees: 5,001-10,000 | Reston, VA, United States | 5,001-10,000 | Exact match | 4,524 contacts → |
“ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fast Enterprises, LLCfastenterprises.com HQ: Centennial, ME, United StatesReported employees: 1,001-5,000 | Centennial, ME, United States | 1,001-5,000 | Exact match | 2,378 contacts → |
“For 25+ years, we’ve transformed the way government agencies serve their communities, providing software that delivers superior customer experiences, greater flexibility, and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | American Systemsamericansystems.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,899 contacts → |
“Founded in 1975, AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | DCS Corpdcscorp.com HQ: Alexandria, VA, United StatesReported employees: 1,001-5,000 | Alexandria, VA, United States | 1,001-5,000 | Exact match | 1,884 contacts → |
“DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DMIdminc.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 1,693 contacts → |
“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Intrepidgsintrepidgs.com HQ: Cape Canaveral, FL, United StatesReported employees: 1,001-5,000 | Cape Canaveral, FL, United States | 1,001-5,000 | Exact match | 1,410 contacts → |
“At Intrepid Global Solutions, we lead the way in mission-critical support where others can’t.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Radiance Technologiesradiancetech.com HQ: Huntsville, LA, United StatesReported employees: 1,001-5,000 | Huntsville, LA, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Radiance Technologies, Inc.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The MIL Corporationmilcorp.com HQ: Bowie, MD, United StatesReported employees: 501-1,000 | Bowie, MD, United States | 501-1,000 | Exact match | 942 contacts → |
“Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Civicpluscivicplus.com HQ: Manhattan, KS, United StatesReported employees: 501-1,000 | Manhattan, KS, United States | 501-1,000 | Exact match | 906 contacts → |
“CivicPlus is the only government technology company exclusively committed to powering and empowering governments to efficiently operate, serve, and govern through the use of our…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | REI Systemsreisystems.com HQ: Sterling, VA, United StatesReported employees: 501-1,000 | Sterling, VA, United States | 501-1,000 | Exact match | 861 contacts → |
“REI Systems delivers reliable and innovative technology solutions that empower federal, state, local, and nonprofit organizations to achieve their missions.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cognosantecognosante.com HQ: Falls Church, VA, United StatesReported employees: 1,001-5,000 | Falls Church, VA, United States | 1,001-5,000 | Exact match | 830 contacts → |
“At Cognosante, we help create a safe, healthy, more equitable nation for all.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | I3 Verticalsi3verticals.com HQ: Nashville, TN, United StatesReported employees: 1,001-5,000 | Nashville, TN, United States | 1,001-5,000 | Exact match | 817 contacts → |
“i3 Verticals seamlessly delivers integrated software and services to customers in Public Sector markets.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Calibre Systems, INCcalibresys.com HQ: Alexandria, VA, United StatesReported employees: 501-1,000 | Alexandria, VA, United States | 501-1,000 | Exact match | 771 contacts → |
“CALIBRE Systems, Inc.(CALIBRE) is an employee-owned mission-focused solutions and digital transformation company supporting government and industry.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 | 752 contacts → |
“Kay and Associates, Inc.(KAI) was established in 1960 by our founder Donald Kay to provide high quality, cost effective solutions in response to the need for engineering and…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hx5, LLChxfive.com HQ: Fort Walton Beach, AL, United StatesReported employees: 1,001-5,000 | Fort Walton Beach, AL, United States | 1,001-5,000 | Exact match | 679 contacts → |
“HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Neogovneogov.com HQ: El Segundo, CA, United StatesReported employees: 501-1,000 | El Segundo, CA, United States | 501-1,000 | Exact match | 678 contacts → |
“For over 25 years, NEOGOV has been at the forefront of public-sector innovation, building technology that helps government and education organizations work smarter, move faster…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Telos Corporationtelos.com HQ: Ashburn, NV, United StatesReported employees: 501-1,000 | Ashburn, NV, United States | 501-1,000 | Exact match | 636 contacts → |
“Telos empowers and protects the world’s most security-conscious organizations with solutions for continuous security assurance of individuals, systems, and information.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Planned Systems Internationalplan-sys.com HQ: Columbia, FL, United StatesReported employees: 1,001-5,000 | Columbia, FL, United States | 1,001-5,000 | Exact match | 608 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 · September 3, 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 · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Euna Solutionseunasolutions.com HQ: Sandy Springs, GA, United StatesReported employees: 501-1,000 | Sandy Springs, GA, United States | 501-1,000 | Exact match | 517 contacts → |
“Euna Solutions® is a leading provider of purpose-built, cloud-based software that helps public sector and government organizations streamline procurement, budgeting, payments…” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vencore INCperspecta.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 486 contacts → |
“As of June 1, 2018, we are Perspecta.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tapestry Solutionstapestrysolutions.com HQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 414 contacts → |
“Leveraging three decades of experience, Tapestry Solutions is a global provider of information management software and services for defense, government and commercial customers.” Recorded description excerpt · September 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Government software contractors: dataset insights
September 3, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,230 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.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 3, 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 ↗
Questions about this company list
What does Exact match mean for government software contractors?
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 government software contractors did RevenueBase find based in the United States?
The saved snapshot records 1,232 matching company records, 117,755 tracked contacts and 30,946 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 3, 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
Government software contractors by geography
Cite this list
RevenueBase Data Team. Top 25 government software contractors based in the United States. Snapshot: September 3, 2026. https://revenuebase.ai/companies/government-software-contractors/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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