Company lists · Data refreshed September 2026

Top 25 Enterprise IT support services based in the United States

Name: Enterprise IT support 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 29, 2026 13,034 companies tracked

RevenueBase identified 13,034 enterprise IT support services headquartered in the United States as of September 2026 and tracks 162,430 professional contacts across them, including 55,583 with verified work emails and 57,075 with mobile numbers. New York is the largest hub.

This list covers enterprise IT support services headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

13,034Companies

162,430Contacts tracked

55,583Verified emails

57,075Mobile numbers

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The 25 largest enterprise IT support services based in the United States

Ranked by team size

Top 25 of 13,034 enterprise IT support services based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise IT support services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Compucom	Indirect evidence	Fort Mill, SC, United StatesHQ checked Sep 29, 2026	5,001-10,000	7,753 contacts →
	Indirect evidence “Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Source: RevenueBase Database · checked Sep 29, 2026
2	CBTS	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,211 contacts →
	Partial evidence “CBTS serves enterprise and midmarket clients in all industries across North America.” Source: RevenueBase Database · checked Sep 29, 2026
3	GURU	Strong evidence	Rockville, MD, United StatesHQ checked Sep 29, 2026	n/a	1,906 contacts →
	Strong evidence “Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Source: RevenueBase Database · checked Sep 29, 2026
4	DMI	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,683 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
5	Thrive	Indirect evidence	Foxborough, MA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,432 contacts →
	Indirect evidence “Thrive is a NextGen 3.0 global technology outsourcing provider that empowers small and mid-market organizations to transform their technology into a strategic advantage.” Source: RevenueBase Database · checked Sep 29, 2026
6	Marco Technologies	Indirect evidence	St. Cloud, MN, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,203 contacts →
	Indirect evidence “At Marco, we're all about making technology work for you (and not the other way around).” Source: RevenueBase Database · checked Sep 29, 2026
7	Solugenix	Partial evidence	Brea, CA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,063 contacts →
	Partial evidence “Technology only matters when it helps the business run better.” Source: RevenueBase Database · checked Sep 29, 2026
8	GDT	Partial evidence	Dallas, TX, United StatesHQ checked Sep 29, 2026	501-1,000	1,032 contacts →
	Partial evidence “As an award-winning, global IT solutions provider, we are changing the nature of transformation.” Source: RevenueBase Database · checked Sep 29, 2026
9	CCB Technology	Strong evidence	Racine, WI, United StatesHQ checked Sep 29, 2026	n/a	1,018 contacts →
	Strong evidence “CCB Technology provides award-winning IT support and project services to customers nationwide.” Source: RevenueBase Database · checked Sep 29, 2026
10	IND Corporation	Strong evidence	Whippany, NJ, United StatesHQ checked Sep 29, 2026	n/a	871 contacts →
	Strong evidence “IND specializes in fixed-cost IT support and consulting services for small and medium-sized businesses in New Jersey.” Source: RevenueBase Database · checked Sep 29, 2026
11	Buchanan Technologies	Partial evidence	Grapevine, TX, United StatesHQ checked Sep 29, 2026	501-1,000	818 contacts →
	Partial evidence “As a leading IT consulting and outsourcing services firm, Buchanan Technologies helps organizations across North America turn their business technology into a powerful competitive…” Source: RevenueBase Database · checked Sep 29, 2026
12	Apptix	Indirect evidence	New York, NY, United StatesHQ checked Sep 29, 2026	n/a	762 contacts →
	Indirect evidence “Apptix was acquired by Fusion Connect in 2016.” Source: RevenueBase Database · checked Sep 29, 2026
13	TPX	Indirect evidence	Austin, TX, United StatesHQ checked Sep 29, 2026	1,001-5,000	751 contacts →
	Indirect evidence “TPx is the reliable sidekick every growing business deserves, powering your tech while you take the lead.” Source: RevenueBase Database · checked Sep 29, 2026
14	Systems Engineering Services Corporation Sesc	Indirect evidence	Reston, VA, United StatesHQ checked Sep 29, 2026	201-500	747 contacts →
	Indirect evidence “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Source: RevenueBase Database · checked Sep 29, 2026
15	System Soft Technologies	Partial evidence	Tampa, FL, United StatesHQ checked Sep 29, 2026	501-1,000	732 contacts →
	Partial evidence “System Soft Group is an IT services and solutions company that helps organizations overcome limited managed IT capabilities and achieve key technology goals.” Source: RevenueBase Database · checked Sep 29, 2026
16	IT Solutions	Indirect evidence	Fort Washington, PA, United StatesHQ checked Sep 29, 2026	501-1,000	683 contacts →
	Indirect evidence “With 30 years of experience as a trusted managed services provider, we're your dedicated partner in navigating the complex world of technology, so you can focus on growing your…” Source: RevenueBase Database · checked Sep 29, 2026
17	Visual Edge IT	Indirect evidence	North Canton, OH, United StatesHQ checked Sep 29, 2026	1,001-5,000	655 contacts →
	Indirect evidence “ABOUT VISUAL EDGE, INC.” Source: RevenueBase Database · checked Sep 29, 2026
18	Ciber Global	Indirect evidence	Troy, MI, United StatesHQ checked Sep 29, 2026	5,001-10,000	646 contacts →
	Indirect evidence “Ciber Global is now HTC Global Services with effect from November 30, 2021.” Source: RevenueBase Database · checked Sep 29, 2026
19	Decisionone	Partial evidence	Havertown, PA, United StatesHQ checked Sep 29, 2026	501-1,000	623 contacts →
	Partial evidence “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Source: RevenueBase Database · checked Sep 29, 2026
20	Denali Advanced Integration	Strong evidence	Redmond, WA, United StatesHQ checked Sep 29, 2026	501-1,000	617 contacts →
	Strong evidence “Denali Advanced Integration delivers Enterprise IT solutions and services globally.” Source: RevenueBase Database · checked Sep 29, 2026
21	NIC	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 29, 2026	n/a	581 contacts →
	Partial evidence “NIC has been providing IT Solutions, Cybersecurity, and Cloud Services for businesses and organizations for the past two decades.” Source: RevenueBase Database · checked Sep 29, 2026
22	Integris	Indirect evidence	Cranbury Township, NJ, United StatesHQ checked Sep 29, 2026	501-1,000	574 contacts →
	Indirect evidence “Integris is a national leader in future-ready Managed Services, delivering innovative solutions that drive digital maturity for small and midsize businesses.” Source: RevenueBase Database · checked Sep 29, 2026
23	Miles IT	Partial evidence	Lumberton, NJ, United StatesHQ checked Sep 29, 2026	201-500	573 contacts →
	Partial evidence “Founded in 1997, Miles IT is a leading IT company that is dedicated to helping businesses nationwide accomplish more through the use of technology.” Source: RevenueBase Database · checked Sep 29, 2026
24	Smart IMS INC	Strong evidence	Plainsboro, NJ, United StatesHQ checked Sep 29, 2026	1,001-5,000	544 contacts →
	Strong evidence “Headquartered in Plainsboro, NJ, Smart IMS delivers enterprise IT, cloud, cybersecurity, and digital transformation services to clients across life sciences, insurance, financial…” Source: RevenueBase Database · checked Sep 29, 2026
25	The Digital Group INC	Indirect evidence	Princeton, NJ, United StatesHQ checked Sep 29, 2026	1,001-5,000	537 contacts →
	Indirect evidence “We are leading provider of a broad range of information technology services across the globe.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise IT support services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise IT support services.
Partial evidence: Its own public description names part of enterprise IT support services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise IT support services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 13,034 enterprise IT support services based in the United States

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Enterprise IT support services based in the United States at a glance

As of Sep 29, 2026

34.2%Verified-email coverage

35.1%Mobile-number coverage

12.5Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

8,039

11-50

3,889

51-200

810

201-500

164

501-1,000

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 31.0d

23,4080–30

30,01731–60

1,78161–90

4590–180

332180+

Company record updated

Median 92.0d

00–30

30,59131–60

33,25961–90

90,29090–180

8,290180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise IT support services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “enterprise IT support services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise IT support services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among enterprise IT support services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 55,583 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise IT support services by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise IT support services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 13,034 enterprise IT support services headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Compucom, headquartered in Fort Mill, tops this list with the largest team on record.

Which city has the most enterprise IT support services?

New York leads with 355 headquartered companies, followed by Houston (235) and Chicago (152).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 55,583 verified decision-maker contacts tracked across these 13,034 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.