Company lists · Data refreshed September 2026

Top 25 IT contractors based in Reston, United States

Name: IT contractors based in Reston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 74 companies tracked

RevenueBase identified 74 IT contractors headquartered in Reston, United States as of September 2026 and tracks 2,969 professional contacts across them, including 590 with verified work emails. New York is the largest hub.

This list covers IT contractors 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 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

74Companies

2,969Contacts tracked

590Verified emails

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The 25 largest IT contractors based in Reston, United States

Ranked by team size

Top 25 of 74 IT contractors based in Reston, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to IT contractors: 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	Systems Engineering Services Corporation Sesc	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	201-500	747 contacts →
	Indirect 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 21, 2026
2	PRISM	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	208 contacts →
	Partial evidence “PRISM is devoted to modernization and innovation within the world of technology, security, and IT enterprise solutions.” Source: RevenueBase Database · checked Sep 21, 2026
3	Seneca Resources	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 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 21, 2026
4	Esolutionsfirst	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	201-500	158 contacts →
	Partial evidence “eSolutionsFirst is a premier technology and talent solutions partner providing best-in-class IT solutions and staffing services that empower our clients to be market leaders.” Source: RevenueBase Database · checked Sep 21, 2026
5	Quadrant, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	501-1,000	153 contacts →
	Indirect evidence “Founded in 2002, headquartered in Reston, VA, Quadrant, Inc.” Source: RevenueBase Database · checked Sep 21, 2026
6	ACE Info Solutions LLC	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	501-1,000	146 contacts →
	Partial 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 21, 2026
7	Insigma INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	117 contacts →
	Indirect evidence “Insigma Incorporation is an Information Technology provider delivering superior quality software development, consulting and staffing solutions to our client partners.” Source: RevenueBase Database · checked Sep 21, 2026
8	Aeec, LLC	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	92 contacts →
	Partial evidence “AEEC has a proven track record of providing innovative IT, Engineering, Environmental, and Project Management services to the commercial and federal market since 1995.” Source: RevenueBase Database · checked Sep 21, 2026
9	True Solutions LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	78 contacts →
	Indirect evidence “True Solutions is a Software Development and Professional services company that specializes in sourcing information technology, accounting, finance, and engineering professionals…” Source: RevenueBase Database · checked Sep 21, 2026
10	Worldgate, LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	71 contacts →
	Indirect evidence “Worldgate LLC specializes in consulting services that support Information Technology demands in public sector agencies and school districts.” Source: RevenueBase Database · checked Sep 21, 2026
11	CTG Federal	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	62 contacts →
	Indirect evidence “CTG Federal, a Cohesive Technology Group company, is an SBA-certified small business that excels in servicing dozens of federal defense, intelligence, and civilian organizations…” Source: RevenueBase Database · checked Sep 21, 2026
12	Oneglobe LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	58 contacts →
	Indirect evidence “OneGlobe LLC, is a small business incorporated in Virginia in 2005.” Source: RevenueBase Database · checked Sep 21, 2026
13	Singhal & Company, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	54 contacts →
	Indirect evidence “SCi is a Consulting Firm that serves people and businesses by providing Information Technology Services and Solutions.” Source: RevenueBase Database · checked Sep 21, 2026
14	Shaavir LLC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	51 contacts →
	Indirect evidence “Staffing solutions for all” Source: RevenueBase Database · checked Sep 21, 2026
15	Aderas, INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	49 contacts →
	Partial evidence “Aderas specializes in implementing, extending, managing, and tuning enterprise applications, databases, applications servers as well as custom software and IT development.” Source: RevenueBase Database · checked Sep 21, 2026
16	Powersolv, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	42 contacts →
	Indirect evidence “Established in 1995, Powersolv is a CMMI Level 3 certified Information Technology Services provider with its headquarters in the Washington DC Metro region.” Source: RevenueBase Database · checked Sep 21, 2026
17	Appteon INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	11-50	39 contacts →
	Indirect evidence “Appteon is an award-winning, agile-experienced, professional services company that serves the federal government and private industry.” Source: RevenueBase Database · checked Sep 21, 2026
18	Snowrelic INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	11-50	39 contacts →
	Partial evidence “Snowrelic Inc was founded by technology professionals with a vision to provide quality and cost-effective Modern IT solutions.” Source: RevenueBase Database · checked Sep 21, 2026
19	Cybertec, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	38 contacts →
	Indirect evidence “Since 2003, Cybertec has been providing strategic technology solutions and services for government and commercial organizations across various industries.” Source: RevenueBase Database · checked Sep 21, 2026
20	Vinsys Information Technology INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	11-50	34 contacts →
	Indirect evidence “Vinsys is an information technology firm with international experience delivering engineering and operational solutions to customers in federal and commercial markets.” Source: RevenueBase Database · checked Sep 21, 2026
21	Radus Software	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	11-50	33 contacts →
	Partial evidence “Radus Software, LLC (Radus) is an innovative management consulting and information technology (IT) solutions company headquartered in Virginia.” Source: RevenueBase Database · checked Sep 21, 2026
22	Xpand Corporation	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	33 contacts →
	Indirect evidence “XPAND Corporation has been a leading provider of Information Technology services and solutions since 1991.” Source: RevenueBase Database · checked Sep 21, 2026
23	Bruckedwards, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	11-50	27 contacts →
	Indirect evidence “BruckEdwards believes that exceptional work is fueled by our passionate, empowered team members.” Source: RevenueBase Database · checked Sep 21, 2026
24	Quadtec Solutions, INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	51-200	26 contacts →
	Partial evidence “Quadtec Solutions is an IT consulting company that provides services to government agencies and companies in the private sector.” Source: RevenueBase Database · checked Sep 21, 2026
25	TEK Galaxy Solutions LLC	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	11-50	22 contacts →
	Partial evidence “Tek Galaxy is a clique of like minded IT professionals with a vision to be a highly dependable Technology centric Human Capital Solutions partner to businesses looking to…” Source: RevenueBase Database · checked Sep 21, 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: IT contractors. 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 IT contractors.
Partial evidence: Its own public description names part of IT contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name IT contractors. 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 74 IT contractors based in Reston, United States

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IT contractors based in Reston, United States at a glance

As of Sep 21, 2026

19.9%Verified-email coverage

40.1Average contacts per company

11-50Median size (employees)

335.1%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 74 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 IT contractors, 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 “IT contractors”. 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 IT contractors), 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 IT contractors, 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, 590 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.

IT contractors 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 IT contractors, 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 IT contractors are there based in Reston, United States?

RevenueBase identified 74 IT contractors 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?

Systems Engineering Services Corporation Sesc, headquartered in Reston, tops this list with the largest team on record.

Which city has the most IT contractors?

New York leads with 248 headquartered companies, followed by Houston (206) and Dallas (167).

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 590 verified decision-maker contacts tracked across these 74 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.