Company lists · Data refreshed September 2026

Top 25 Managed service IT companies based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 12,234 companies tracked

RevenueBase identified 12,234 managed service IT companies headquartered in the United States as of September 2026 and tracks 294,866 professional contacts across them, including 108,964 with verified work emails. New York is the largest hub.

This list covers managed service IT companies 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 21, 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 21, 2026 86% judged on-target in blind review

12,234Companies

294,866Contacts tracked

108,964Verified emails

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The 25 largest managed service IT companies based in the United States

Ranked by team size

Top 25 of 12,234 managed service IT companies based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to managed service IT companies: 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	DXC Technology	Partial evidence	Ashburn, VA, United StatesHQ checked Sep 21, 2026	10001+	82,768 contacts →
	Partial evidence “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Source: RevenueBase Database · checked Sep 21, 2026
2	Comcast Business	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 21, 2026	10001+	8,242 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
3	Compucom	Indirect evidence	Fort Mill, SC, United StatesHQ checked Sep 21, 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 21, 2026
4	SHI International Corp	Indirect evidence	Somerset, NJ, United StatesHQ checked Sep 21, 2026	5,001-10,000	6,734 contacts →
	Indirect evidence “Think of SHI as your personal technology concierge.” Source: RevenueBase Database · checked Sep 21, 2026
5	Presidio	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	3,798 contacts →
	Indirect evidence “At Presidio, speed and quality meet technology and innovation.” Source: RevenueBase Database · checked Sep 21, 2026
6	CBTS	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,211 contacts →
	Indirect evidence “CBTS serves enterprise and midmarket clients in all industries across North America.” Source: RevenueBase Database · checked Sep 21, 2026
7	IT Convergence	Partial evidence	Irving, IL, United StatesHQ checked Sep 21, 2026	501-1,000	1,950 contacts →
	Partial evidence “IT Convergence is a global Oracle Platinum Partner with a comprehensive service offering across all three pillars of the Cloud (IaaS, PaaS, SaaS), including Consulting/Advisory…” Source: RevenueBase Database · checked Sep 21, 2026
8	GURU	Strong evidence	Rockville, MD, United StatesHQ checked Sep 21, 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 21, 2026
9	Eplus INC	Partial evidence	Herndon, VA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,749 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
10	DMI	Partial evidence	Mclean, VA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,683 contacts →
	Partial 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 21, 2026
11	Thrive	Indirect evidence	Foxborough, MA, United StatesHQ checked Sep 21, 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 21, 2026
12	Marco Technologies	Indirect evidence	St. Cloud, MN, United StatesHQ checked Sep 21, 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 21, 2026
13	COX Business	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	10001+	1,094 contacts →
	Indirect evidence “Cox Business provides a wide range of technology solutions for businesses of all sizes with reliable, scalable products and services tailored to your unique needs.” Source: RevenueBase Database · checked Sep 21, 2026
14	Solugenix	Partial evidence	Brea, CA, United StatesHQ checked Sep 21, 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 21, 2026
15	Synoptek	Partial evidence	Costa Mesa, CA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,037 contacts →
	Partial evidence “Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.” Source: RevenueBase Database · checked Sep 21, 2026
16	GDT	Partial evidence	Dallas, TX, United StatesHQ checked Sep 21, 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 21, 2026
17	IT By Design	Partial evidence	Freehold, NJ, United StatesHQ checked Sep 21, 2026	501-1,000	928 contacts →
	Partial evidence “For more than 20 years, IT By Design has been the growth partner MSPs trust to scale profitably.” Source: RevenueBase Database · checked Sep 21, 2026
18	Buchanan Technologies	Partial evidence	Grapevine, TX, United StatesHQ checked Sep 21, 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 21, 2026
19	Sentinel Technologies	Partial evidence	Downers Grove, IL, United StatesHQ checked Sep 21, 2026	501-1,000	779 contacts →
	Partial evidence “When it comes to achieving a tangible ROI and sustainable performance from your IT environment, Sentinel takes the lead.” Source: RevenueBase Database · checked Sep 21, 2026
20	Apptix	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	n/a	762 contacts →
	Indirect evidence “Apptix was acquired by Fusion Connect in 2016.” Source: RevenueBase Database · checked Sep 21, 2026
21	TPX	Indirect evidence	Austin, TX, United StatesHQ checked Sep 21, 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 21, 2026
22	System Soft Technologies	Strong evidence	Tampa, FL, United StatesHQ checked Sep 21, 2026	501-1,000	732 contacts →
	Strong 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 21, 2026
23	Logicalisus	Indirect evidence	Troy, MI, United StatesHQ checked Sep 21, 2026	501-1,000	710 contacts →
	Indirect evidence “We are Architects of Change.” Source: RevenueBase Database · checked Sep 21, 2026
24	RED River	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 21, 2026	501-1,000	709 contacts →
	Indirect evidence “Red River brings together the ideal combination of talent, partners and products to disrupt the status quo in technology and drive success for business and government in ways…” Source: RevenueBase Database · checked Sep 21, 2026
25	Novatech	Indirect evidence	Nashville, TN, United StatesHQ checked Sep 21, 2026	501-1,000	700 contacts →
	Indirect evidence “Since 1998, Novatech has been transforming how businesses operate by delivering end-to-end technology solutions nationwide.” Source: RevenueBase Database · checked Sep 21, 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: managed service IT companies. 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 managed service IT companies.
Partial evidence: Its own public description names part of managed service IT companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name managed service IT companies. 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 12,234 managed service IT companies based in the United States

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Managed service IT companies based in the United States at a glance

As of Sep 21, 2026

37.0%Verified-email coverage

24.1Average contacts per company

1-10Median size (employees)

3.0%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

6,740

11-50

4,198

51-200

950

201-500

192

501-1,000

1,001-5,000

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 12,234 companies.

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 managed service IT companies, 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 “managed service IT companies”. 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 managed service IT companies), 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 managed service IT companies, 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, 108,964 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 21, 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.

Managed service IT companies 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 managed service IT companies, 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 managed service IT companies are there based in the United States?

RevenueBase identified 12,234 managed service IT companies 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?

DXC Technology, headquartered in Ashburn, tops this list with the largest team on record.

Which city has the most managed service IT companies?

New York leads with 364 headquartered companies, followed by Houston (232) and Miami (149).

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 108,964 verified decision-maker contacts tracked across these 12,234 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 21, 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.