Company lists · Data refreshed September 2026

Top 25 IT consulting and solutions firms based in Reston, United States

Name: IT consulting and solutions 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 27, 2026 202 companies tracked

RevenueBase identified 202 company matches for IT consulting and solutions firms associated with Reston, United States as of September 2026 and tracks 21,379 professional contacts across them, including 7,204 with verified work emails. Across the United States, New York is the largest hub for this category (1,808 companies); Reston has 202.

This list covers company matches for IT consulting and solutions firms associated with Reston, 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 27, 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 Sep 27, 2026 How this list was built

202Companies

21,379Contacts tracked

7,204Verified emails

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The 25 largest IT consulting and solutions firms based in Reston, United States

Ranked by team size

Top 25 of 202 company matches for IT consulting and solutions firms based in Reston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	ICF	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	5,001-10,000	9,459 contacts →
	Exact match “ICF is a leading global solutions and technology provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Genpact Headstrong Capital Markets	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	10001+	3,109 contacts →
	Exact match “Genpact Headstrong Capital Markets is a global consulting and IT services company with a specialized focus in capital markets.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	TKXEL	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	501-1,000	1,196 contacts →
	Exact match “tkxel is an AI-native technology partner helping businesses build intelligent systems for lasting business value.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Systems Engineering Services Corporation Sesc	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	747 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 · Sep 27, 2026 · View company records in RevenueBase
5	AIS Applied Information Sciences	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	501-1,000	701 contacts →
	Exact match “AIS helps large commercial and federal clients accelerate innovation with security and compliance in mind.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Brillient Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	455 contacts →
	Exact match “Brillient is an award-winning Full Spectrum Digital Transformation company enabling clients to transform through the continuum of analog, to digital, to analytics leading to…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	1rivet	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	415 contacts →
	Exact match “1Rivet is an award-winning, international IT Strategy & Consulting firm headquartered in the Washington, D.C.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Excelacom	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	501-1,000	306 contacts →
	Exact match “Excelacom is a global Software and Consulting company headquartered in Reston, VA, just outside of Washington, D.C, with offices across North America and Europe and a Technology…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	TIAG	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	297 contacts →
	Exact match “Delivering transformative technology solutions for the public sector and across the Department of Defense, TIAG drives modernization through synergistic processes and unique…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Dominion Consulting	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	278 contacts →
	Exact match “Dominion Consulting is now TeraThink.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	TSPI	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	247 contacts →
	Exact match “TSPi delivers IT solutions that drive performance.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Pantheon INC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	501-1,000	229 contacts →
	Exact match “Pantheon Inc specializes in providing a wide array of products, software development, consulting and support services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Intact Technology	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	173 contacts →
	Exact match “Intact Technology is a different kind of ServiceNow consultant.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Esolutionsfirst	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	158 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Insigma INC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	117 contacts →
	Exact match “Insigma Incorporation is an Information Technology provider delivering superior quality software development, consulting and staffing solutions to our client partners.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Intellibus	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	106 contacts →
	Exact match “We are a team of passionate software engineers and entrepreneurs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Pureintegration	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	105 contacts →
	Exact match “The epitome of ‘punching above our weight’, pureIntegration is the secret weapon you may never have heard of.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Silosmashers, INC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	94 contacts →
	Exact match “SiloSmashers is an industry leading strategy, management, and technology consulting firm, with depth of knowledge and expertise, and a proven methodology that enables customers to…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Aeec, LLC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	92 contacts →
	Exact match “AEEC has a proven track record of providing innovative IT, Engineering, Environmental, and Project Management services to the commercial and federal market since 1995.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Halfaker And Associates, LLC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	201-500	89 contacts →
	Exact match “Halfaker has been acquired by SAIC.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Oteemo INC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	88 contacts →
	Exact match “Oteemo is a technology and business transformation consulting firm that combines deep technical expertise with human-centered design principles to deliver innovative solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Iotap INC	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	87 contacts →
	Exact match “IOTAP provides IT consulting and Software Services that enables companies to effectively connect, communicate and collaborate with their internal and external customers and peers…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	T1a	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	84 contacts →
	Exact match “T1A is a leading global advanced analytics, marketing technology, and data management consulting firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Betterworld Technology Managed IT & Cybersecurity	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	81 contacts →
	Exact match “Award Winning.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Nira Systems	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 2026	51-200	81 contacts →
	Exact match “NIRA Systems is an IT solutions and services MNC with operations in United State and India.” Recorded in the RevenueBase company graph · Sep 27, 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 “IT consulting and solutions firms”. 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 202 IT consulting and solutions firms based in Reston, United States

See the full list, filter by size, metro and specialty, and access 7,204 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consulting and solutions firms based in Reston, United States at a glance

As of Sep 27, 2026

33.7%Verified-email coverage

105.8Average contacts per company

11-50Median size (employees)

Sep 27, 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 202 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 Reston, United States whose business descriptions match “IT consulting and solutions firms” 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 7,204 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 27, 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.

IT consulting and solutions firms by metro in the United States

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 “IT consulting and solutions firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consulting and solutions firms are there based in Reston, United States?

RevenueBase identified 202 company matches for IT consulting and solutions firms associated with Reston, 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?

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

Which city in the United States has the most IT consulting and solutions firms?

New York leads the United States with 1,808 company records, followed by Houston (1,042) and Chicago (910). Reston has 202.

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 7,204 professional contacts with verified work emails tracked across these 202 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 27, 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.