Company lists · Data refreshed November 2026

Top 25 Federal systems integrators based in the United States

Name: Federal systems integrators based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 4,113 companies tracked

RevenueBase identified 4,113 company matches for federal systems integrators associated with the United States as of November 2026 and tracks 262,246 professional contacts across them, including 69,301 with verified work emails. Washington is the largest hub.

This list covers company matches for federal systems integrators 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 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

4,113Companies

262,246Contacts tracked

69,301Verified emails

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The 25 largest federal systems integrators based in the United States

Ranked by team size

Top 25 of 4,113 company matches for federal systems integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SAIC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	34,914 contacts →
	Exact match “SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	General Dynamics Information Technology	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	10001+	25,406 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 · Nov 5, 2026 · View company records in RevenueBase
3	Guidehouse	Exact match	Mclean, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,603 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	10,193 contacts →
	Exact match “About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Accenture Federal Services	Exact match	Arlington, MO, United StatesHQ recorded Nov 5, 2026	10001+	9,827 contacts →
	Exact match “We power reinvention across the US federal government to help agencies deliver greater outcomes using proven commercial solutions, mission expertise, and new technologies – cloud…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Tyler Technologies	Exact match	Plano, IL, United StatesHQ recorded Nov 5, 2026	5,001-10,000	7,246 contacts →
	Exact match “Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Nov 5, 2026	10001+	6,031 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	4,665 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	LMI	Exact match	Tysons, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,724 contacts →
	Exact match “LMI is a new breed of digital solutions provider, disrupting the traditional govcon model with commercial-grade technology that is ready day-one.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,994 contacts →
	Exact match “IES Communications, a division of IES Holdings, Inc.(NASDAQ: IESC), is a national technology infrastructure integrator.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Perspecta	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	10001+	1,814 contacts →
	Exact match “At Perspecta we question, we seek and we solve.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	ASM Research	Exact match	Fairfax, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,728 contacts →
	Exact match “ASM Research, an Accenture Federal Services Company, is an information solutions integrator and a leading provider of innovative technology solutions and advanced analytical…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	DMI	Exact match	Mclean, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,646 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 · Nov 5, 2026 · View company records in RevenueBase
14	22nd Century Technologies INC	Exact match	Mclean, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,329 contacts →
	Exact match “22nd Century Technologies Inc,(22nd) is a mid-size Service Integrator, focused on providing IP enabled managed services and solutions to Federal, State and Local governments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	PPC	Exact match	Trevose, PA, United StatesHQ recorded Nov 5, 2026	201-500	1,017 contacts →
	Exact match “PPC is now part of DSA” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	The MIL Corporation	Exact match	Bowie, MD, United StatesHQ recorded Nov 5, 2026	501-1,000	978 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 · Nov 5, 2026 · View company records in RevenueBase
17	Quantum SKY	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	921 contacts →
	Exact match “Quantum Sky is a mission technology company that builds secure AI, cyber, cloud, and quantum capabilities for defense, intelligence, and federal civilian agencies.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	REI Systems	Exact match	Sterling, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	878 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 · Nov 5, 2026 · View company records in RevenueBase
19	Iron BOW Technologies	Exact match	Herndon, MD, United StatesHQ recorded Nov 5, 2026	501-1,000	854 contacts →
	Exact match “Iron Bow Technologies is an IT solutions provider that helps organizations solve complex technology challenges across federal, state and local government, education, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Cognosante	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	851 contacts →
	Exact match “At Cognosante, we help create a safe, healthy, more equitable nation for all.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Systems Engineering Services Corporation Sesc	Exact match	Reston, DE, United StatesHQ recorded Nov 5, 2026	201-500	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 5, 2026 · View company records in RevenueBase
22	Calibre Systems, INC	Exact match	Alexandria, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	793 contacts →
	Exact match “CALIBRE Systems, Inc.(CALIBRE) is an employee-owned AI transformation company delivering mission focused solutions to Defense, Federal / Civil, and Commercial clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	STG INC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	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 5, 2026 · View company records in RevenueBase
24	RED River	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	722 contacts →
	Exact match “Red River brings together the ideal combination of talent, partners and products to disrupt the status quo in technology and drive success for business and government in ways…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Abacus Technology Corporation	Exact match	Chevy Chase, MD, United StatesHQ recorded Nov 5, 2026	501-1,000	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 5, 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 “federal systems integrators”. 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 4,113 federal systems integrators based in the United States

See the full list, filter by size, metro and specialty, and access 69,301 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal systems integrators based in the United States at a glance

As of Nov 5, 2026

26.4%Verified-email coverage

63.8Average contacts per company

11-50Median size (employees)

3.1%Largest-city concentration · Washington

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

1,414

11-50

1,463

51-200

845

201-500

231

501-1,000

1,001-5,000

5,001-10,000

10001+

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 4,113 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 “federal systems integrators” 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 69,301 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 5, 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.

Federal systems integrators by metro

Frequently asked

What is RevenueBase SmartSearch?

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

How many federal systems integrators are there based in the United States?

RevenueBase identified 4,113 company matches for federal systems integrators 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?

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

Which city has the most federal systems integrators?

Washington leads with 126 company records, followed by Reston (107) and Herndon (69).

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 69,301 professional contacts with verified work emails tracked across these 4,113 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 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.