Company lists · Data refreshed September 2026

Top 25 Government systems integration firms based in Reston, United States

Name: Government systems integration firms based in Reston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 144 companies tracked

RevenueBase identified 144 government systems integration firms headquartered in Reston, United States as of September 2026 and tracks 94,193 professional contacts across them, including 11,946 with verified work emails. Across the United States, Washington is the largest hub for this category (182 companies); Reston follows with 144.

This list covers government systems integration firms headquartered in Reston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

144Companies

94,193Contacts tracked

11,946Verified emails

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The 25 largest government systems integration firms based in Reston, United States

Ranked by team size

Top 25 of 144 government systems integration firms based in Reston, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to government systems integration firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Leidos	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	10001+	27,416 contacts →
	Partial evidence “Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.” Source: RevenueBase Database · checked Sep 28, 2026
2	Peraton	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	10001+	10,793 contacts →
	Indirect evidence “At Peraton, we're at the forefront of delivering the next big thing every day.” Source: RevenueBase Database · checked Sep 28, 2026
3	Asrc Federal	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	5,001-10,000	4,542 contacts →
	Indirect evidence “ASRC Federal’s employees provide solutions for more than 30 U.S.” Source: RevenueBase Database · checked Sep 28, 2026
4	Carahsoft	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,945 contacts →
	Partial evidence “Carahsoft is The Trusted IT Solutions Provider®, supporting Federal, State, Local Government, Education, Healthcare and Private Sector industries.” Source: RevenueBase Database · checked Sep 28, 2026
5	SOSI	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,859 contacts →
	Strong evidence “Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private, founder-led defense and government solutions firm specializing in advanced technology systems and mission…” Source: RevenueBase Database · checked Sep 28, 2026
6	Engility Corporation	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	5,001-10,000	1,245 contacts →
	Indirect evidence “Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.” Source: RevenueBase Database · checked Sep 28, 2026
7	Quantum SKY	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	872 contacts →
	Indirect evidence “Quantum Sky is a mission technology company that builds secure AI, cyber, cloud, and quantum capabilities for defense, intelligence, and federal civilian agencies.” Source: RevenueBase Database · checked Sep 28, 2026
8	Systems Engineering Services Corporation Sesc	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	747 contacts →
	Strong evidence “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Source: RevenueBase Database · checked Sep 28, 2026
9	AIS Applied Information Sciences	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	501-1,000	701 contacts →
	Indirect evidence “AIS helps large commercial and federal clients accelerate innovation with security and compliance in mind.” Source: RevenueBase Database · checked Sep 28, 2026
10	Amyx, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	501-1,000	411 contacts →
	Indirect evidence “At Amyx, Inc, a wholly owned subsidiary of Tetra Tech, our mission is to exceed our customer's expectations on every contract, to provide an environment that encourages…” Source: RevenueBase Database · checked Sep 28, 2026
11	1901 Group	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	306 contacts →
	Indirect evidence “1901 Group, a wholly owned subsidiary of Leidos, is a leading FedRAMP authorized managed service provider for public and private sectors delivering innovative IT solutions by…” Source: RevenueBase Database · checked Sep 28, 2026
12	TIAG	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	297 contacts →
	Indirect evidence “Delivering transformative technology solutions for the public sector and across the Department of Defense, TIAG drives modernization through synergistic processes and unique…” Source: RevenueBase Database · checked Sep 28, 2026
13	Whitney, Bradley & Brown WBB	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	501-1,000	271 contacts →
	Partial evidence “WBB (now a part of Serco) is a leading government and public sector solutions provider, dedicated to the enduring success of our clients.” Source: RevenueBase Database · checked Sep 28, 2026
14	DEV Technology Group, INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	267 contacts →
	Partial evidence “Dev Technology is an information technology services company delivering mission-critical applications and systems that protect and serve American citizens.” Source: RevenueBase Database · checked Sep 28, 2026
15	Evolver	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	501-1,000	235 contacts →
	Partial evidence “Founded in Evolver was built on a clear purpose: to help government and enterprise customers achieve long-term success.” Source: RevenueBase Database · checked Sep 28, 2026
16	Fedtec	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	231 contacts →
	Partial evidence “FedTec Reply is a leading digital solutions, infrastructure services and cybersecurity provider for federal government agencies.” Source: RevenueBase Database · checked Sep 28, 2026
17	Metaphase	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	224 contacts →
	Partial evidence “MetaPhase works at the intersection of mission and technology - creating, deploying, and supporting innovative solutions that serve as a force multiplier for government.” Source: RevenueBase Database · checked Sep 28, 2026
18	Riva Solutions, INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	224 contacts →
	Partial evidence “RIVA Solutions, Inc.(RIVA) is a new kind of government contractor providing Digital Transformation to the public sector.” Source: RevenueBase Database · checked Sep 28, 2026
19	PRISM	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	208 contacts →
	Indirect evidence “PRISM is devoted to modernization and innovation within the world of technology, security, and IT enterprise solutions.” Source: RevenueBase Database · checked Sep 28, 2026
20	Adams Communication & Engineering Technology Acet, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	206 contacts →
	Indirect evidence “ACET, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
21	Seneca Resources	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	186 contacts →
	Indirect evidence “Seneca Resources is an Information Technology and Engineering professional services firm supporting clients in the public and private sectors.” Source: RevenueBase Database · checked Sep 28, 2026
22	Intelligent Waves	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	185 contacts →
	Indirect evidence “Intelligent Waves, a veteran-owned organization, delivers secure, innovative technology solutions for federal defense and intelligence missions.” Source: RevenueBase Database · checked Sep 28, 2026
23	Caci Acquired Applied Insight, LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	501-1,000	159 contacts →
	Indirect evidence “Applied Insight works closely with agencies and industry to overcome technical and cultural hurdles to innovation, empowering them with the latest end-to-end cloud infrastructure…” Source: RevenueBase Database · checked Sep 28, 2026
24	Centuria	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	154 contacts →
	Indirect evidence “Centuria, recognized as a 2024 & 2026 Top Workplace in the Greater Washington Area, is a Service-Disabled Veteran-Owned Small Business (SDVOSB), headquartered in Reston, VA.” Source: RevenueBase Database · checked Sep 28, 2026
25	ACE Info Solutions LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	501-1,000	146 contacts →
	Indirect evidence “Ace Info Solutions (AceInfo), a Dovel company, is a leading Federal contractor with a focused vision: empower our clients, challenge our employees, and grow our business.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: government systems integration firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names government systems integration firms.
Partial evidence: Its own public description names part of government systems integration firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name government systems integration firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 144 government systems integration firms based in Reston, United States

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Government systems integration firms based in Reston, United States at a glance

As of Sep 28, 2026

12.7%Verified-email coverage

654.1Average contacts per company

51-200Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United States list rather than for Reston, so it is reported there. Company counts and contact totals on this page are exact for Reston, over 144 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among government systems integration firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Reston, United States whose own description of what they do matches “government systems integration firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names government systems integration firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among government systems integration firms, and records with no verified work email. Companies headquartered outside Reston are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 11,946 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Government systems integration firms by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names government systems integration firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many government systems integration firms are there based in Reston, United States?

RevenueBase identified 144 government systems integration firms headquartered in Reston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Leidos, headquartered in Reston, tops this list with the largest team on record.

Which city in the United States has the most government systems integration firms?

Washington leads the United States with 182 headquartered companies, followed by Reston (144) and Herndon (110).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 11,946 verified decision-maker contacts tracked across these 144 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.