Company lists · Data refreshed September 2026

Top 25 Federal systems integrators based in Ashburn, United States

RevenueBase identified 49 federal systems integrators headquartered in Ashburn, United States as of September 2026 and tracks 1,621 professional contacts across them, including 491 with verified work emails. Washington is the largest hub.

This list covers federal systems integrators headquartered in Ashburn, 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 21, 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 21, 2026 86% judged on-target in blind review
49Companies
1,621Contacts tracked
491Verified emails
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The 25 largest federal systems integrators based in Ashburn, United States

Ranked by team size
Top 25 of 49 federal systems integrators based in Ashburn, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to federal systems integrators: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 2026501-1,000629 contacts →

Indirect evidence

“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-200121 contacts →

Partial evidence

“Blu Omega is a Woman-Owned Small Business focused on technology services across federal civilian agencies and commercial clients in highly regulated environments.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-200120 contacts →

Indirect evidence

“Our firm provides global IT infrastructure professional services to industry-leading OEM, infrastructure software, and significant private and public sector organizations.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceAshburn, VA, United StatesHQ checked Sep 21, 2026201-500119 contacts →

Partial evidence

“CIS Secure is a U.S-based defense technology company delivering mission-ready secure communications solutions and services for defense, intelligence, and federal organizations.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-20050 contacts →

Indirect evidence

“At InquisIT, we believe the business of government is vital to our nation and demands the highest caliber of contractor services.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-20044 contacts →

Indirect evidence

“Agensys Corporation provides agile processes, skilled people, and technology solutions to help transform our Defense, Intelligence and Civilian agency customers.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceAshburn, United StatesHQ checked Sep 21, 202651-20038 contacts →

Indirect evidence

“Software Staffing and consulting Firm”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-20037 contacts →

Indirect evidence

“American Operations Corporation (American Ops) our focus is on National Defense and Security Excellence.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5036 contacts →

Indirect evidence

“Your Strategic Technology Transformation Partner.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5030 contacts →

Indirect evidence

“Systalex delivers secure, scalable, and intelligent solutions that empower organizations to achieve mission-driven outcomes.”

Source: RevenueBase Database · checked Sep 21, 2026
11Strong evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-20028 contacts →

Strong evidence

“Knowledge Systems is a leading provider of application and intelligence solutions to the federal defense and civilian communities.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202651-20026 contacts →

Indirect evidence

“We are your trusted advisor, committed to solving complex challenges with innovative solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5019 contacts →

Partial evidence

“SNR Systems, LLC provides network engineering services to our U.S.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“Avail Solutions is a world-class technical consulting and solutions provider located in Northern Virginia.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5011 contacts →

Indirect evidence

“Protect3 provides cyber security solutions for government agencies.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-5010 contacts →

Indirect evidence

“Diamond provides outstanding results for our clients, with a focus on integrated, flexible, and economical solutions that meet business objectives.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-508 contacts →

Partial evidence

“emerjence LLC is a Small Disadvantaged Business (SDB) providing comprehensive IT consulting services to US Federal clients, including Health and Human Services (HHS), the…”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 20261-107 contacts →

Indirect evidence

“Capa City Consulting is a leading service provider of IT infrastructure services in the metropolitan Washington D.C.”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-506 contacts →

Strong evidence

“KJB Solutions delivers enterprise-grade IT solutions that power critical federal infrastructure, with deep specialization in systems that serve our nation's veterans.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 20261-106 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-505 contacts →

Partial evidence

“2020 Teknology is dedicated to helping organizations secure and optimize their IT infrastructure, which encompasses both managed services and systems integration support.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-505 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 202611-505 contacts →

Indirect evidence

“Managenet Inc is an information technology and services company based out of P.O.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceAshburn, VA, United StatesHQ checked Sep 21, 20261-104 contacts →

Indirect evidence

“Lion Tide Solutions is an innovative and mission first woman-owned small business (WOSB) delivering success for U.S.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 49 federal systems integrators based in Ashburn, United States

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Federal systems integrators based in Ashburn, United States at a glance

As of Sep 21, 2026
30.3%Verified-email coverage
33.1Average contacts per company
11-50Median size (employees)
265.3%Largest-city concentration · Washington
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
16
51-200
11
201-500
2
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Ashburn, so it is reported there. Company counts and contact totals on this page are exact for Ashburn, over 49 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 federal systems integrators, 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 Ashburn, United States whose own description of what they do matches “federal systems integrators”. 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 federal systems integrators), 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 federal systems integrators, and records with no verified work email. Companies headquartered outside Ashburn 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, 491 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 21, 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.

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 federal systems integrators, 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 federal systems integrators are there based in Ashburn, United States?

RevenueBase identified 49 federal systems integrators headquartered in Ashburn, 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?

Telos Corporation, headquartered in Ashburn, tops this list with the largest team on record.

Which city has the most federal systems integrators?

Washington leads with 130 headquartered companies, followed by Reston (114) and Herndon (84).

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 491 verified decision-maker contacts tracked across these 49 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 21, 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.