Company lists · Data refreshed September 2026

Top 25 IT support firms based in the United States

Name: IT support 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 21, 2026 8,960 companies tracked

RevenueBase identified 8,960 IT support firms headquartered in the United States as of September 2026 and tracks 67,137 professional contacts across them, including 22,867 with verified work emails. New York is the largest hub.

This list covers IT support firms 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

8,960Companies

67,137Contacts tracked

22,867Verified emails

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

The 25 largest IT support firms based in the United States

Ranked by team size

Top 25 of 8,960 IT support firms 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 IT support firms: 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	CCB Technology	Strong evidence	Racine, WI, United StatesHQ checked Sep 21, 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 21, 2026
2	IND Corporation	Strong evidence	Whippany, NJ, United StatesHQ checked Sep 21, 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 21, 2026
3	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
4	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
5	Decisionone	Partial evidence	Havertown, PA, United StatesHQ checked Sep 21, 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 21, 2026
6	Cmit Solutions	Strong evidence	Austin, TX, United StatesHQ checked Sep 21, 2026	501-1,000	439 contacts →
	Strong evidence “CMIT Solutions is a premier IT solution company dedicated to delivering enterprise-class IT support to businesses across North America.” Source: RevenueBase Database · checked Sep 21, 2026
7	PCS	Indirect evidence	Moorestown, NJ, United StatesHQ checked Sep 21, 2026	201-500	336 contacts →
	Indirect evidence “Teamwork.” Source: RevenueBase Database · checked Sep 21, 2026
8	PCM Enterprise Sarcom	Strong evidence	Lewis Center, OH, United StatesHQ checked Sep 21, 2026	1,001-5,000	326 contacts →
	Strong evidence “PCM is an industry-leading added value IT Solutions Provider that develops, delivers and supports world-class IT solutions.” Source: RevenueBase Database · checked Sep 21, 2026
9	Atlas Technica	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	201-500	281 contacts →
	Indirect evidence “Atlas Technica was founded in 2016 with two main goals: to provide the best customer service experience possible for our clients, and to use best-in-class public cloud technology…” Source: RevenueBase Database · checked Sep 21, 2026
10	Geeks On Site	Partial evidence	Coral Gables, FL, United StatesHQ checked Sep 21, 2026	201-500	202 contacts →
	Partial evidence “Geeks on Site provides onsite and remote computer repair and technical support, depending on each customer’s needs.” Source: RevenueBase Database · checked Sep 21, 2026
11	Kinettix	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 21, 2026	201-500	200 contacts →
	Partial evidence “Kinettix is the go-to global leader in providing IT field technicians and break/fix dispatches to U.S-based enterprises and managed service providers anywhere, anytime.” Source: RevenueBase Database · checked Sep 21, 2026
12	FIT Technologies	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 21, 2026	51-200	176 contacts →
	Partial evidence “FIT Technologies is a full-service Managed IT Provider that develops long-term technology partnerships with our clients to increase efficiency, productivity, and security.” Source: RevenueBase Database · checked Sep 21, 2026
13	Dynamic Quest	Partial evidence	Greensboro, NC, United StatesHQ checked Sep 21, 2026	51-200	174 contacts →
	Partial evidence “Dynamic Quest is a trusted partner for small and mid-sized businesses looking to simplify and modernize their IT stack, security posture, and employee service desk solutions.” Source: RevenueBase Database · checked Sep 21, 2026
14	Gadellnet Consulting Services	Indirect evidence	Saint Louis, MO, United StatesHQ checked Sep 21, 2026	51-200	166 contacts →
	Indirect evidence “GadellNet is a Certified B Corporation in the business of powering missions through technology.” Source: RevenueBase Database · checked Sep 21, 2026
15	Serverplus	Partial evidence	Orem, UT, United StatesHQ checked Sep 21, 2026	51-200	161 contacts →
	Partial evidence “Whether you need outsourced support for your ISP or for your business, after hours support, BPO services or just a virtual assistant to help you answer phones and get through the…” Source: RevenueBase Database · checked Sep 21, 2026
16	SD Tech	Strong evidence	San Antonio, TX, United StatesHQ checked Sep 21, 2026	n/a	159 contacts →
	Strong evidence “For over twenty five years, SD Tech has been providing IT Support for small and medium-sized businesses.” Source: RevenueBase Database · checked Sep 21, 2026
17	Five Nines	Partial evidence	Lincoln, NE, United StatesHQ checked Sep 21, 2026	201-500	138 contacts →
	Partial evidence “We’re an independently-owned managed IT and Tech Operations partner with over 200 employees solely focused on IT.” Source: RevenueBase Database · checked Sep 21, 2026
18	JMARK	Partial evidence	Springfield, MO, United StatesHQ checked Sep 21, 2026	51-200	135 contacts →
	Partial evidence “For over thirty years, JMARK has been providing innovative IT solutions to organizations of all sizes.” Source: RevenueBase Database · checked Sep 21, 2026
19	Ovation Workplace Services	Indirect evidence	Summit, NJ, United StatesHQ checked Sep 21, 2026	201-500	133 contacts →
	Indirect evidence “Ovation Workplace Services was established in 2019 and has seen a rapid growth in business.” Source: RevenueBase Database · checked Sep 21, 2026
20	Worksent	Partial evidence	Middletown, DE, United StatesHQ checked Sep 21, 2026	51-200	129 contacts →
	Partial evidence “WorkSent, formerly known as Eynetech, is a trusted Support partner to Managed Service Providers, Managed Security Service Providers, Internet Service Providers, Datacenters, and…” Source: RevenueBase Database · checked Sep 21, 2026
21	The Purple Guys, An Ntiva Company	Strong evidence	Shreveport, LA, United StatesHQ checked Sep 21, 2026	201-500	128 contacts →
	Strong evidence “The Purple Guys, an Ntiva company, offers Trouble-Free IT Support to businesses across the Central and Southern US.” Source: RevenueBase Database · checked Sep 21, 2026
22	Technet	Indirect evidence	Carlsbad, CA, United StatesHQ checked Sep 21, 2026	201-500	128 contacts →
	Indirect evidence “Technology Services, Built for Scale.” Source: RevenueBase Database · checked Sep 21, 2026
23	Endsight	Indirect evidence	Napa, CA, United StatesHQ checked Sep 21, 2026	51-200	126 contacts →
	Indirect evidence “California-based organizations hire Endsight to ensure that their technology systems operate effectively and align with their business goals.” Source: RevenueBase Database · checked Sep 21, 2026
24	Flexible IT	Partial evidence	Hauppauge, NY, United StatesHQ checked Sep 21, 2026	51-200	122 contacts →
	Partial evidence “Flexible IT helps small and mid-sized businesses leverage technology to operate more efficiently, securely, and strategically.” Source: RevenueBase Database · checked Sep 21, 2026
25	RX Technology	Partial evidence	San Antonio, TX, United StatesHQ checked Sep 21, 2026	51-200	119 contacts →
	Partial evidence “Rx Technology is San Antonio’s premier family-owned technology partner, specializing in end-to-end IT lifecycle management.” 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: IT support firms. 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 IT support firms.
Partial evidence: Its own public description names part of IT support firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name IT support firms. 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 8,960 IT support firms based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 22,867 reachable decision-makers.

Free signup · no credit card

View the full list →

IT support firms based in the United States at a glance

As of Sep 21, 2026

34.1%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

6,229

11-50

2,323

51-200

312

201-500

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 8,960 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 IT support firms, 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 “IT support firms”. 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 IT support firms), 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 IT support firms, 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, 22,867 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.

IT support firms 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 IT support firms, 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 IT support firms are there based in the United States?

RevenueBase identified 8,960 IT support firms 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?

CCB Technology, headquartered in Racine, tops this list with the largest team on record.

Which city has the most IT support firms?

New York leads with 204 headquartered companies, followed by Houston (133) and Chicago (98).

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 22,867 verified decision-maker contacts tracked across these 8,960 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.

Ready to reach these companies? Verified emails and direct dials for all 8,960 IT support firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

IT support 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 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.