Company lists · Data refreshed September 2026

Top 24 IT consulting services based in the United States

Name: IT consulting 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 4, 2026 29,783 companies tracked

RevenueBase identified 29,783 company matches for IT consulting services associated with the United States as of September 2026 and tracks 777,364 professional contacts across them, including 243,156 with verified work emails and 186,942 with mobile numbers. New York is the largest hub.

This list covers company matches for IT consulting 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 4, 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 4, 2026 How this list was built

29,783Companies

777,364Contacts tracked

243,156Verified emails

186,942Mobile numbers

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The 24 largest IT consulting services based in the United States

Ranked by team size

Top 24 of 29,783 company matches for IT consulting services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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 4, 2026	10001+	82,827 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 4, 2026 · View company records in RevenueBase
2	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 4, 2026	10001+	13,120 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 4, 2026 · View company records in RevenueBase
3	Guidehouse	Exact match	Mclean, SD, United StatesHQ recorded Sep 4, 2026	10001+	12,933 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 4, 2026 · View company records in RevenueBase
4	Apex Systems	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 4, 2026	1,001-5,000	12,222 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 4, 2026 · View company records in RevenueBase
5	ICF	Exact match	Reston, VA, United StatesHQ recorded Sep 4, 2026	5,001-10,000	9,492 contacts →
	Exact match “ICF is a leading global solutions and technology provider.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6	World Wide Technology	Exact match	Maryland Heights, AK, United StatesHQ recorded Sep 4, 2026	10001+	9,138 contacts →
	Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7	Comcast Business	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 4, 2026	10001+	8,346 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8	Aricent	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 4, 2026	10001+	4,317 contacts →
	Exact match “Aricent is now Altran, delivering industry innovations at future speed.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9	ETEAM	Exact match	Somerset, CA, United StatesHQ recorded Sep 4, 2026	n/a	3,271 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 4, 2026 · View company records in RevenueBase
10	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Sep 4, 2026	1,001-5,000	3,211 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11	Visionet Systems INC	Exact match	Cranbury, NJ, United StatesHQ recorded Sep 4, 2026	10001+	3,113 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 4, 2026 · View company records in RevenueBase
12	Genpact Headstrong Capital Markets	Exact match	Reston, VA, United StatesHQ recorded Sep 4, 2026	10001+	3,102 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 4, 2026 · View company records in RevenueBase
13	AHEAD	Exact match	Chicago, WI, United StatesHQ recorded Sep 4, 2026	1,001-5,000	2,990 contacts →
	Exact match “AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14	Compunnel INC	Exact match	Princeton, United StatesHQ recorded Sep 4, 2026	5,001-10,000	2,568 contacts →
	Exact match “Compunnel serves as a global partner for talent, digital, and cybersecurity solutions, designed to help enterprises staff critical roles, modernize technology, and strengthen…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15	Oxford Global Resources	Exact match	Beverly, VA, United StatesHQ recorded Sep 4, 2026	501-1,000	2,561 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 4, 2026 · View company records in RevenueBase
16	People Tech Group INC	Exact match	Redmond, United StatesHQ recorded Sep 4, 2026	1,001-5,000	2,409 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 4, 2026 · View company records in RevenueBase
17	Beyondsoft	Exact match	Bellevue, WA, United StatesHQ recorded Sep 4, 2026	501-1,000	2,358 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 4, 2026 · View company records in RevenueBase
18	CTG	Exact match	Amherst, NY, United StatesHQ recorded Sep 4, 2026	5,001-10,000	2,259 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 4, 2026 · View company records in RevenueBase
19	OPTIV	Exact match	Leawood, VA, United StatesHQ recorded Sep 4, 2026	1,001-5,000	2,206 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20	Jade Global	Exact match	San Jose, PA, United StatesHQ recorded Sep 4, 2026	1,001-5,000	1,891 contacts →
	Exact match “Jade Global is a premier consulting, integration, and managed services partner helping enterprises modernize, innovate, and scale.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21	NEW ERA Technology	Exact match	West Chester, FL, United StatesHQ recorded Sep 4, 2026	1,001-5,000	1,842 contacts →
	Exact match “New Era Technology is the AI, application, and infrastructure partner that simplifies, secures, and scales technology across modern work environments.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
22	Tech Mahindra	Exact match	Streetman, TX, United StatesHQ recorded Sep 4, 2026	n/a	1,786 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
23	Eplus INC	Exact match	Herndon, VA, United StatesHQ recorded Sep 4, 2026	1,001-5,000	1,783 contacts →
	Exact match “ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
24	Quadrant Technologies	Exact match	Redmond, NC, United StatesHQ recorded Sep 4, 2026	1,001-5,000	1,676 contacts →
	Exact match “Quadrant Technologies: Your Go-to IT Services Partner for a Digital Future For over a decade, Quadrant Technologies has established itself as a trailblazer in the IT services…” Recorded in the RevenueBase company graph · Sep 4, 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 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 24 of 29,783 IT consulting services based in the United States

See the full list, filter by size, metro and specialty, and access 243,156 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consulting services based in the United States at a glance

As of Sep 4, 2026

31.3%Verified-email coverage

24.0%Mobile-number coverage

26.1Average contacts per company

1-10Median size (employees)

3.5%Largest-city concentration · New York

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

16,276

11-50

8,565

51-200

3,526

201-500

824

501-1,000

272

1,001-5,000

153

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

20,19531–60

131,30361–90

87,75990–180

3,899180+

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 consulting 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 243,156 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 4, 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 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 “IT consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 29,783 company matches for IT consulting 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 IT consulting services?

New York leads with 1033 company records, followed by Houston (633) and Atlanta (521).

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 243,156 professional contacts with verified work emails tracked across these 29,783 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 4, 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.