Company lists · Data refreshed September 2026

Top 25 IT consultant firms based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 22,172 companies tracked

RevenueBase identified 22,172 company matches for IT consultant firms associated with the United States as of September 2026 and tracks 556,038 professional contacts across them, including 166,346 with verified work emails and 147,257 with mobile numbers. New York is the largest hub.

This list covers company matches for IT consultant firms 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 27, 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 27, 2026 How this list was built

22,172Companies

556,038Contacts tracked

166,346Verified emails

147,257Mobile numbers

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

The 25 largest IT consultant firms based in the United States

Ranked by team size

Top 25 of 22,172 company matches for IT consultant firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 27, 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 27, 2026 · View company records in RevenueBase
2	Teksystems	Exact match	Hanover, MD, United StatesHQ recorded Sep 27, 2026	10001+	24,693 contacts →
	Exact match “We’re TEKsystems and TEKsystems Global Services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
4	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
5	Apex Systems	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
6	World Wide Technology	Exact match	Maryland Heights, MO, United StatesHQ recorded Sep 27, 2026	10001+	9,184 contacts →
	Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
8	Comcast Business	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 27, 2026	10001+	8,242 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Yash Technologies	Exact match	East Moline, IL, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
10	SHI International Corp	Exact match	Somerset, NJ, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
11	Presidio	Exact match	New York, NY, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
12	Genpact Headstrong Capital Markets	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
13	Oxford Global Resources	Exact match	Beverly, MA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
14	Beyondsoft	Exact match	Bellevue, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
15	CTG	Exact match	Amherst, NY, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
16	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,222 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 27, 2026 · View company records in RevenueBase
17	Astreya	Exact match	San Jose, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,215 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 · Sep 27, 2026 · View company records in RevenueBase
18	CBTS	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,211 contacts →
	Exact match “CBTS serves enterprise and midmarket clients in all industries across North America.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Tech Mahindra	Exact match	Streetman, TX, United StatesHQ recorded Sep 27, 2026	n/a	1,860 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	ASM Research	Exact match	Fairfax, VA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,568 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 · Sep 27, 2026 · View company records in RevenueBase
21	Joulestowatts Business Solutions PVT LTD	Exact match	Dallas, TX, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,435 contacts →
	Exact match “At JoulestoWatts Business Solutions, headquartered in Texas, USA, we stand as a global powerhouse with over 5500+ dedicated professionals, catering to 300+ esteemed clients across…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	ICC	Exact match	Columbus, OH, United StatesHQ recorded Sep 27, 2026	501-1,000	1,416 contacts →
	Exact match “User First.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	CEI	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 27, 2026	501-1,000	1,391 contacts →
	Exact match “In today’s technology-driven world, the mandate of transformation represents both challenges and opportunities.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	V Group INC	Exact match	Cranbury, NJ, United StatesHQ recorded Sep 27, 2026	n/a	1,347 contacts →
	Exact match “Since V Group Inc.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Trace3	Exact match	Irvine, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,345 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Sep 27, 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 consultant firms”. 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 22,172 IT consultant firms based in the United States

See the full list, filter by size, metro and specialty, and access 166,346 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT consultant firms based in the United States at a glance

As of Sep 27, 2026

29.9%Verified-email coverage

26.5%Mobile-number coverage

25.1Average contacts per company

1-10Median size (employees)

3.3%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11,356

11-50

7,006

51-200

2,805

201-500

620

501-1,000

201

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 30.0d

93,4480–30

64,52731–60

4,66161–90

11890–180

3,592180+

Company record updated

Median 90.0d

00–30

104,63631–60

187,19261–90

232,74890–180

31,462180+

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 consultant firms” 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 166,346 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 27, 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 consultant firms 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 consultant firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consultant firms are there based in the United States?

RevenueBase identified 22,172 company matches for IT consultant firms 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 consultant firms?

New York leads with 736 company records, followed by Houston (454) and Atlanta (354).

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 166,346 professional contacts with verified work emails tracked across these 22,172 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 22,172 IT consultant firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

IT consultant firms by geography

Browse the directory

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.