Company lists · Data refreshed November 2026

Top 25 IT contractors based in Fairfax, United States

RevenueBase identified 77 company matches for IT contractors associated with Fairfax, United States as of November 2026 and tracks 4,781 professional contacts across them, including 952 with verified work emails. Across the United States, New York is the largest hub for this category (234 companies); Fairfax has 77.

This list covers company matches for IT contractors associated with Fairfax, 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
77Companies
4,781Contacts tracked
952Verified emails
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The 25 largest IT contractors based in Fairfax, United States

Ranked by team size
Top 25 of 77 company matches for IT contractors based in Fairfax, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 20261,001-5,000799 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 20261,001-5,000635 contacts →

Exact match

“For over 20 years, Salient CRGT has upheld its mission to "empower our diverse, hard-working team to deliver high-value solutions that make positive impacts on missions and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 2026n/a232 contacts →

Exact match

“INTEGRITYOne Partners is a business and technology services company delivering mission-critical results to leaders working on our nation’s top priorities.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 2026201-500206 contacts →

Exact match

“Nationwide IT Services, Inc.(NIS) is designated 8(a) by the SBA, and a CVE verified Service Disabled Veteran Owned Small Business (SDVOSB) Information Technology (IT) and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-200177 contacts →

Exact match

“In a shared vision sparked something exceptional.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 2026201-500157 contacts →

Exact match

“Universal Consulting Services, LLC (UCS) is a rapidly growing government contractor providing expertise in Enterprise IT Solutions and Health Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-200149 contacts →

Exact match

“ICS is a strategically diversified technology solutions company operating in different markets serving both Federal and Commercial clients with innovations that span…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 2026201-500140 contacts →

Exact match

“Empower AI has acquired Highlight Technologies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-200117 contacts →

Exact match

“Technatomy is a dynamic, highly focused, service-disabled, veteran-owned, small business (SDVOSB) government IT contractor positioned to meet the digital transformation needs of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202611-50108 contacts →

Exact match

“OnPoint is a technology and consulting services partner helping government leaders secure their systems, effectively operate, and deliver critical services in today’s increasingly…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“Inalab is a leading IT solutions and strategy consulting firm focused on providing solutions that transform enterprise operations in the government and commercial sectors by…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-200100 contacts →

Exact match

“PSI INTERNATIONAL, Inc.(PSI) provides a blend of information technology (IT), health science, and social services support to clients throughout the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20071 contacts →

Exact match

“Technology, Automation & Management Inc.(TeAM) has been a leader in delivering innovative IT solutions to the federal government since 1985.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20070 contacts →

Exact match

“Information Management Group, Inc.(IMG) was founded in 1987.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20067 contacts →

Exact match

“We RECRUIT, We TRAIN, and We STAFF Transforming Challenges into Opportunities!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 2026201-50047 contacts →

Exact match

“Tiber Creek Consulting Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20040 contacts →

Exact match

“USmax Corporation is an ISO 9001:2015 registered, ISO registered, ISO 27001:2013 registered, and CMMI-SVC Level 3 appraised Enterprise Information Technology (IT) and Professional…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“Galaxy Infotech is a US based Staffing firm Headquartered in Fairfax, VA which provides high quality IT consultants to our clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20024 contacts →

Exact match

“Established leadership and innovative service delivery methods supporting a wide range of Information Technology requirements.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 20261,001-5,00019 contacts →

Exact match

“Empowering Innovation with Intellisoft Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20019 contacts →

Exact match

“VIZENS Corp is Software development & services company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Tellenger specializes in software development, enterprise IT and cloud solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“M² Solutions, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchFairfax, VA, United StatesHQ recorded Nov 5, 202651-20012 contacts →

Exact match

“Advance Digital Systems (ADS) is a leading provider of information technology and consulting services for federal and commercial clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 77 IT contractors based in Fairfax, United States

See the full list, filter by size, metro and specialty, and access 952 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT contractors based in Fairfax, United States at a glance

As of Nov 5, 2026
19.9%Verified-email coverage
62.1Average contacts per company
11-50Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
24
51-200
17
201-500
6
1,001-5,000
4

Email recency for this list is measured across the whole United States list rather than for Fairfax, so it is reported there. Company counts and contact totals on this page are exact for Fairfax, over 77 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 Fairfax, United States whose business descriptions match “IT contractors” 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 952 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.

IT contractors 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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT contractors are there based in Fairfax, United States?

RevenueBase identified 77 company matches for IT contractors associated with Fairfax, 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?

Ionidea 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 contractors?

New York leads the United States with 234 company records, followed by Houston (191) and Washington (161). Fairfax has 77.

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 952 professional contacts with verified work emails tracked across these 77 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.