Company lists · Data refreshed September 2026
Top 25 IT field service companies based in the United States
RevenueBase identified 2,015 IT field service companies headquartered in the United States as of September 2026 and tracks 18,113 professional contacts across them, including 4,620 with verified work emails. Houston is the largest hub.
This list covers IT field service 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.
The 25 largest IT field service companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,237 contacts → | ||||
Indirect evidence “Wachter is on the cutting-edge of technology and infrastructure installation and has been since 1930.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 993 contacts → | ||||
Partial evidence “Goodman Solutions is a leading field services company with network and electronics technicians, serving customers across the nation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 801 contacts → | ||||
Partial evidence “Barrister Global Services Network is a premier provider of multi-vendor IT services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 612 contacts → | ||||
Indirect evidence “CSAT Solutions has a history of bringing success to our clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 408 contacts → | ||||
Partial evidence “ServiceMax, a PTC technology, is on a mission to help customers keep the world running with asset-centric field service management software.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 393 contacts → | ||||
Indirect evidence “OUR BUSINESS IS SERVICE.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 306 contacts → | ||||
Partial evidence “Essintial Enterprise Solutions is a full-service IT operations partner helping multi-unit businesses scale, support, and simplify their technology.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 292 contacts → | ||||
Partial evidence “Since 2003, Hydromax USA has been a leader in advanced field services and solutions that empower utilities to make the most of their infrastructure investments.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 235 contacts → | ||||
Partial evidence “Industrial Service Solutions provides nationwide field, shop, and supply services for a diverse set of industrial markets with breadth and depth in application knowledge and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 202 contacts → | ||||
Indirect 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, 2026Thanks. The Data Team will review it. | |||||
| 11 | 200 contacts → | ||||
Strong 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 195 contacts → | ||||
Partial evidence “Riverside Technologies, Inc.(RTI) is an IT service providers specializing in managed services, IT hardware, warehouse services, and technology deployment.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 173 contacts → | ||||
Partial evidence “ComputerCare boosts IT efficiency and uptime.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 168 contacts → | ||||
Indirect evidence “The Uhl Company was founded in 1917 by Bill and Ed Uhl.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 165 contacts → | ||||
Indirect evidence “OnForce connects talented professionals directly to the companies that need them.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 145 contacts → | ||||
Partial evidence “ServicePower is a global leader in AI-powered field service management software, helping enterprise organizations drive operational and cost-saving efficiencies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 145 contacts → | ||||
Indirect evidence “Fortress Solutions has been providing unrivaled network services since the dawn of the internet in 1983, and today we service and support all forms of connectivity – from networks…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 143 contacts → | ||||
Partial evidence “Dispatch is the modern field service experience platform, purpose-built to solve the communication gap between enterprise brands, 3rd-party contractors, and the consumer.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 128 contacts → | ||||
Indirect evidence “Technology Services, Built for Scale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 124 contacts → | ||||
Partial evidence “Source Support Services provides worldwide technical support and field services for OEMs, combining a global network of certified engineers, advanced technology, and proven…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 118 contacts → | ||||
Indirect evidence “CPT Network Solutions is a national technology services provider helping retailers, senior living organizations, healthcare teams, and other multi-site businesses deploy and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 112 contacts → | ||||
Partial evidence “PIVITAL provides and professionally manages IT technicians for onsite hardware installation and repair.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 106 contacts → | ||||
Indirect evidence “Peripheral Computer Support, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 104 contacts → | ||||
Partial evidence “Arrivy eliminates manual processes and seamlessly connects the office, field teams, and customers with a flexible field service management software capable of managing versatile…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 99 contacts → | ||||
Partial evidence “Tech Service Today (TST) is a technology services company dedicated to helping IT leaders reclaim their nights and weekends.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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 field service 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 IT field service companies.
- Partial evidence
- Its own public description names part of IT field service companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT field service 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 2,015 IT field service companies based in the United States
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IT field service companies based in the United States at a glance
As of Sep 21, 2026Companies by employee count
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 2,015 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 field service 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 “IT field service 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 IT field service 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 IT field service 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, 4,620 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 field service companies by metro
- IT field service companies in Houston36
- IT field service companies in New York35
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 field service 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 IT field service companies are there based in the United States?
RevenueBase identified 2,015 IT field service 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?
Wachter, INC, headquartered in Lenexa, tops this list with the largest team on record.
Which city has the most IT field service companies?
Houston leads with 36 headquartered companies, followed by New York (35) and Las Vegas (22).
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 4,620 verified decision-maker contacts tracked across these 2,015 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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IT field service companies by geography
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- IT field service companies based in Canada
- IT field service companies based in France
- IT field service companies based in Germany
- IT field service companies based in India
- IT field service companies based in Ireland
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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.
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