Company lists · Data refreshed November 2026

Top 25 IT contractors based in the United States

RevenueBase identified 9,663 company matches for IT contractors associated with the United States as of November 2026 and tracks 305,237 professional contacts across them, including 69,699 with verified work emails. New York is the largest hub.

This list covers company matches for IT contractors associated with the 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
9,663Companies
305,237Contacts tracked
69,699Verified emails
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The 25 largest IT contractors based in the United States

Ranked by team size
Top 25 of 9,663 company matches for IT contractors based in the 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 matchFalls Church, VA, United StatesHQ recorded Nov 5, 202610001+25,406 contacts →

Exact match

“GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchVernon Hills, IL, United StatesHQ recorded Nov 5, 202610001+13,669 contacts →

Exact match

“At CDW, we know how to make technology work so people can do great things.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchMclean, IL, United StatesHQ recorded Nov 5, 202610001+13,603 contacts →

Exact match

“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 20265,001-10,00010,193 contacts →

Exact match

“About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchTampa, FL, United StatesHQ recorded Nov 5, 20261,001-5,0006,741 contacts →

Exact match

“Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMorristown, CA, United StatesHQ recorded Nov 5, 20265,001-10,0003,973 contacts →

Exact match

“Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBeverly, OH, United StatesHQ recorded Nov 5, 2026501-1,0002,734 contacts →

Exact match

“Oxford Global Resources is a global professional services and consulting partner trusted by leading industry organizations to solve complex challenges and deliver outcomes at…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSan Jose, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,524 contacts →

Exact match

“Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchFairfax, TX, United StatesHQ recorded Nov 5, 20261,001-5,0001,728 contacts →

Exact match

“ASM Research, an Accenture Federal Services Company, is an information solutions integrator and a leading provider of innovative technology solutions and advanced analytical…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMclean, VA, United StatesHQ recorded Nov 5, 20261,001-5,0001,646 contacts →

Exact match

“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchPittsburgh, PA, United StatesHQ recorded Nov 5, 20265,001-10,0001,625 contacts →

Exact match

“System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchIndianapolis, IN, United StatesHQ recorded Nov 5, 20265,001-10,0001,612 contacts →

Exact match

“BCforward is a global technology and solutions company helping organizations move business forward through talent, technology, and transformation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchPlymouth, MI, United StatesHQ recorded Nov 5, 20261,001-5,0001,594 contacts →

Exact match

“Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchIndianapolis, VA, United StatesHQ recorded Nov 5, 20261,001-5,0001,534 contacts →

Exact match

“At Brooksource, relationships are at the center of everything we do.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAndover, NC, United StatesHQ recorded Nov 5, 2026201-5001,471 contacts →

Exact match

“ALKU® is a highly specialized consulting services firm focused on deploying highly skilled consulting resources in the areas of Technologies, HCIT, Life Sciences, and Government…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLouisville, WI, United StatesHQ recorded Nov 5, 20261,001-5,0001,280 contacts →

Exact match

“V-Soft Consulting, an innovative corporation specializing in Information Technology consulting; including staffing, digital, and infrastructure solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Nov 5, 20265,001-10,0001,246 contacts →

Exact match

“Pinnacle Group is a leading provider of information technology and workforce solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMclean, VA, United StatesHQ recorded Nov 5, 20261,001-5,0001,188 contacts →

Exact match

“Digital Intelligence Systems, LLC (DISYS) is a global technology and consulting firm specializing in Managed Services, Business, Consulting, and IT/Non-IT Staffing Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBoston, AZ, United StatesHQ recorded Nov 5, 2026501-1,0001,165 contacts →

Exact match

“Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchEl Segundo, CA, United StatesHQ recorded Nov 5, 20261,001-5,0001,140 contacts →

Exact match

“PCM is a division of Insight | Together, we’ll help you navigate complex IT challenges.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchTrevose, PA, United StatesHQ recorded Nov 5, 2026201-5001,017 contacts →

Exact match

“PPC is now part of DSA”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBowie, MD, United StatesHQ recorded Nov 5, 2026501-1,000978 contacts →

Exact match

“Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBoston, NY, United StatesHQ recorded Nov 5, 20261,001-5,000889 contacts →

Exact match

“Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchHerndon, MD, United StatesHQ recorded Nov 5, 2026501-1,000854 contacts →

Exact match

“Iron Bow Technologies is an IT solutions provider that helps organizations solve complex technology challenges across federal, state and local government, education, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchPittsburgh, TX, United StatesHQ recorded Nov 5, 2026501-1,000823 contacts →

Exact match

“Cogent Infotech is an award-winning global IT consulting firm based in Pittsburgh that provides innovative technology services to Fortune 500 companies, government agencies, and…”

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

Showing 25 of 9,663 IT contractors based in the United States

See the full list, filter by size, metro and specialty, and access 69,699 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT contractors based in the United States at a glance

As of Nov 5, 2026
22.8%Verified-email coverage
31.6Average contacts per company
11-50Median size (employees)
2.4%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
3,570
11-50
3,535
51-200
1,845
201-500
455
501-1,000
123
1,001-5,000
75
5,001-10,000
13
10001+
19

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 9,663 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 the 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 69,699 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

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 the United States?

RevenueBase identified 9,663 company matches for IT contractors associated with the 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?

General Dynamics Information Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most IT contractors?

New York leads with 234 company records, followed by Houston (191) and Washington (161).

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 69,699 professional contacts with verified work emails tracked across these 9,663 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.