Company lists · Data refreshed November 2026

Top 22 IT services companies based in the United States

Name: IT services companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 29,207 companies tracked

RevenueBase identified 29,207 company matches for IT services companies associated with the United States as of November 2026 and tracks 1,162,329 professional contacts across them, including 317,539 with verified work emails. New York is the largest hub.

This list covers company matches for IT services companies 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 6, 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 6, 2026 How this list was built

29,207Companies

1,162,329Contacts tracked

317,539Verified emails

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The 22 largest IT services companies based in the United States

Ranked by team size

Top 22 of 29,207 company matches for IT services companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Nov 6, 2026	10001+	86,844 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kyndryl	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	47,955 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Virtusa	Exact match	Southborough, MA, United StatesHQ recorded Nov 6, 2026	10001+	31,368 contacts →
	Exact match “Virtusa is a global product and platform engineering services company that makes experiences better with technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Teksystems	Exact match	Hanover, MD, United StatesHQ recorded Nov 6, 2026	10001+	27,308 contacts →
	Exact match “We’re TEKsystems and TEKsystems Global Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 6, 2026	10001+	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 6, 2026 · View company records in RevenueBase
6	Guidehouse	Exact match	Mclean, IL, United StatesHQ recorded Nov 6, 2026	10001+	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 6, 2026 · View company records in RevenueBase
7	Movate	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	10001+	13,087 contacts →
	Exact match “Movate is a digital technology and customer experience services company committed to disrupting the industry with boundless agility, human-centered innovation, and relentless…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	World Wide Technology	Exact match	Maryland Heights, MO, United StatesHQ recorded Nov 6, 2026	10001+	9,996 contacts →
	Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	HTC Global Services	Exact match	Troy, MI, United StatesHQ recorded Nov 6, 2026	10001+	9,413 contacts →
	Exact match “HTC Global Services Inc, founded in 1990, headquartered in Troy, Michigan, is a global provider of Information Technology and Business Process Services and Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Compucom	Exact match	Fort Mill, WA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,318 contacts →
	Exact match “Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Atos Syntel	Exact match	Troy, MI, United StatesHQ recorded Nov 6, 2026	10001+	7,143 contacts →
	Exact match “Atos\|Syntel is a leading global provider of integrated information technology and knowledge process services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Kforce INC	Exact match	Tampa, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	6,741 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 6, 2026 · View company records in RevenueBase
13	Presidio	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,274 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Isoftstone	Exact match	Plano, WA, United StatesHQ recorded Nov 6, 2026	10001+	4,252 contacts →
	Exact match “iSoftStone is a global IT service and consulting company that creates value and drives success through technology solutions, service excellence, and digital innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	RGP	Exact match	Dallas, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,958 contacts →
	Exact match “RGP (Nasdaq: RGP) has been redefining professional services for 30 years by closing the gap between advice and execution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Connection	Exact match	Merrimack, NH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,722 contacts →
	Exact match “As a Global IT Solutions Provider, we connect people with technology that enhances growth, elevates productivity, and empowers innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Ensono	Exact match	Downers Grove, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,542 contacts →
	Exact match “Ensono is an expert technology adviser and managed service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Genpact Headstrong Capital Markets	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	10001+	3,166 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 · Nov 6, 2026 · View company records in RevenueBase
19	Tech Mahindra	Exact match	Streetman, TX, United StatesHQ recorded Nov 6, 2026	n/a	3,026 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Milestone Technologies, INC	Exact match	Fremont, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,916 contacts →
	Exact match “Milestone Technologies is a global IT Services and Digital Solutions company based in Silicon Valley that helps hundreds of leading corporations deliver technology around the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Miracle Software Systems, INC	Exact match	Novi, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,760 contacts →
	Exact match “Miracle Software Systems is a global IT services company that has been consistently delivering true value for businesses for the past 29 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Oxford Global Resources	Exact match	Beverly, OH, United StatesHQ recorded Nov 6, 2026	501-1,000	2,734 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 6, 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 services companies”. 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 22 of 29,207 IT services companies based in the United States

See the full list, filter by size, metro and specialty, and access 317,539 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT services companies based in the United States at a glance

As of Nov 6, 2026

27.3%Verified-email coverage

39.8Average contacts per company

11-50Median size (employees)

3.3%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

13,359

11-50

9,802

51-200

4,208

201-500

1,061

501-1,000

368

1,001-5,000

228

5,001-10,000

10001+

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 29,207 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 services companies” 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 317,539 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 6, 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 services companies 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 services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT services companies are there based in the United States?

RevenueBase identified 29,207 company matches for IT services companies 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?

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

Which city has the most IT services companies?

New York leads with 959 company records, followed by Houston (610) and Dallas (456).

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 317,539 professional contacts with verified work emails tracked across these 29,207 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 6, 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.