Company lists · Data refreshed September 2026

Top 25 Consulting IT services based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 34,678 companies tracked

RevenueBase identified 34,678 company matches for consulting IT services associated with the United States as of September 2026 and tracks 829,959 professional contacts across them, including 249,981 with verified work emails and 210,330 with mobile numbers. New York is the largest hub.

This list covers company matches for consulting IT services 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 September 24, 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 24, 2026 How this list was built

34,678Companies

829,959Contacts tracked

249,981Verified emails

210,330Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest consulting IT services based in the United States

Ranked by team size

Top 25 of 34,678 company matches for consulting IT services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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 Sep 24, 2026	10001+	82,768 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 · Sep 24, 2026 · View company records in RevenueBase
2	Virtusa	Exact match	Southborough, MA, United StatesHQ recorded Sep 24, 2026	10001+	29,613 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 · Sep 24, 2026 · View company records in RevenueBase
3	NTT Data North America	Exact match	Plano, TX, United StatesHQ recorded Sep 24, 2026	10001+	22,390 contacts →
	Exact match “NTT DATA, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 24, 2026	10001+	13,155 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 24, 2026	10001+	12,815 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 · Sep 24, 2026 · View company records in RevenueBase
6	Apex Systems	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	12,231 contacts →
	Exact match “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Sep 24, 2026	5,001-10,000	9,697 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	World Wide Technology	Exact match	Maryland Heights, MO, United StatesHQ recorded Sep 24, 2026	10001+	9,184 contacts →
	Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 24, 2026	5,001-10,000	8,779 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	Comcast Business	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 24, 2026	10001+	8,242 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Yash Technologies	Exact match	East Moline, IL, United StatesHQ recorded Sep 24, 2026	5,001-10,000	7,769 contacts →
	Exact match “YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Compucom	Exact match	Fort Mill, SC, United StatesHQ recorded Sep 24, 2026	5,001-10,000	7,753 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 · Sep 24, 2026 · View company records in RevenueBase
13	SHI International Corp	Exact match	Somerset, NJ, United StatesHQ recorded Sep 24, 2026	5,001-10,000	6,734 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	Aricent	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 24, 2026	10001+	4,302 contacts →
	Exact match “Aricent is now Altran, delivering industry innovations at future speed.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Presidio	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	1,001-5,000	3,798 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	Black BOX	Exact match	Plano, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	3,667 contacts →
	Exact match “Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	ETEAM	Exact match	Somerset, NJ, United StatesHQ recorded Sep 24, 2026	n/a	3,285 contacts →
	Exact match “For over 25 years, eTeam has been trusted by global organizations to lead high-stakes programs where execution matters as much as strategy.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Visionet Systems INC	Exact match	Cranbury, NJ, United StatesHQ recorded Sep 24, 2026	10001+	3,119 contacts →
	Exact match “Visionet is a premier digital technology solutions company built on the premise of disruptive innovation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	Genpact Headstrong Capital Markets	Exact match	Reston, VA, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
20	VEE Technologies	Exact match	Decatur, GA, United StatesHQ recorded Sep 24, 2026	5,001-10,000	2,933 contacts →
	Exact match “Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	Speridian Technologies	Exact match	Albuquerque, NM, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,619 contacts →
	Exact match “Speridian Technologies is a global consulting and technology services firm that helps enterprises and public sector organizations modernize operations, enhance customer experience…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Oxford Global Resources	Exact match	Beverly, MA, United StatesHQ recorded Sep 24, 2026	501-1,000	2,564 contacts →
	Exact match “Oxford Global Resources delivers tailored solutions for any technical challenges you are facing using our partnership-first approach.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	People Tech Group INC	Exact match	Redmond, WA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,434 contacts →
	Exact match “People Tech Group is a leading Enterprise Solutions, Digital Transformation, Data Intelligence, and Modern Operation services provider.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Beyondsoft	Exact match	Bellevue, WA, United StatesHQ recorded Sep 24, 2026	501-1,000	2,359 contacts →
	Exact match “Beyondsoft Consulting is a leading global mid-sized business IT and consulting company that combines modern technologies and proven methodologies to tailor solutions that move…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	CTG	Exact match	Amherst, NY, United StatesHQ recorded Sep 24, 2026	5,001-10,000	2,264 contacts →
	Exact match “CTG, a Cegeka company, is at the forefront of digital transformation, offering innovative IT solutions and services that accelerate your strategy and project momentum.” Recorded in the RevenueBase company graph · Sep 24, 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 “consulting IT services”. 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 34,678 consulting IT services based in the United States

See the full list, filter by size, metro and specialty, and access 249,981 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Consulting IT services based in the United States at a glance

As of Sep 24, 2026

30.1%Verified-email coverage

25.3%Mobile-number coverage

23.9Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · New York

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

19,590

11-50

9,809

51-200

3,779

201-500

890

501-1,000

308

1,001-5,000

167

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 27.0d

184,7450–30

56,68631–60

3,76461–90

18790–180

4,599180+

Company record updated

Median 87.0d

00–30

155,08731–60

374,05561–90

257,92090–180

42,897180+

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 “consulting IT services” 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 249,981 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 24, 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.

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

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

RevenueBase identified 34,678 company matches for consulting IT services associated with the 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?

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

Which city has the most consulting IT services?

New York leads with 1094 company records, followed by Houston (724) and Atlanta (552).

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 249,981 professional contacts with verified work emails tracked across these 34,678 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 24, 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.