Company lists · Data refreshed September 2026
Top 25 IT help desk staffing based in the United States
RevenueBase identified 96 IT help desk staffing headquartered in the United States as of September 2026 and tracks 819 professional contacts across them, including 181 with verified work emails and 254 with mobile numbers. Miami is the largest hub.
This list covers IT help desk staffing 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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.
The 25 largest IT help desk staffing based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | Theitsupportcenter, LLCIndirect evidence | 159 | |||
Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | SplicePartial evidence | 110 | |||
“Founded in 2002, Splice is a National and Global provider of IT Services to SMB and Enterprise clients worldwide.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 63 | ||||
“Global Help Desk Services, Inc.(GHDSi) provides you with enterprise quality help desk services.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 29 | ||||
“Helpdesk services available for outsourcing, with a dedicated call center, offering helpdesk services including technical support and customer service.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | KpinterfacePartial evidence | 28 | |||
“KPInterface is a provider of IT support and IT management services for business.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 27 | ||||
“Business Machine Technologies, Inc.(BMT) is a full service IT Support Company.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | Realistic Computing INCIndirect evidence | 13 | |||
“RCI is an Information Technology Sevice Provider.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | White Mountain IT ServicesPartial evidence | 11 | |||
“White Mountain IT Services has been providing professional IT Support for businesses in and around Nashua, New Hampshire since 1985.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | Prophet Network Integration, INCPartial evidence | 11 | |||
“PNI offers multiple IT solutions that are designed to fit your company best.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | Techs In A SECStrong evidence | 11 | |||
“Techs in a Sec delivers fast, professional, and reliable on-site IT support and IT Staffing across the U.S.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 | ||||
“Forefront Solutions began sixteen years ago in order to provide the smaller, more flexible IT department small-to-mid-sized businesses need.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 | ||||
“ComNet Technical Solutions, Inc.("CTSI") is an I.T.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | WaterdogPartial evidence | 8 | |||
“We provide personalized business IT solutions that go beyond computer workstations.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | Kalutasan, INCIndirect evidence | 8 | |||
“Kalutasan” (pronounced kah-loo-ta-sahn) is the Filipino word for “solution,” a term that is foundational to our company’s mission.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | MspnetworksPartial evidence | 7 | |||
“MSPNetworks has been serving the New York area since 2012, providing IT support such as technical helpdesk support, computer support, and consulting to small and medium-sized…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | Wintsec TechnologiesIndirect evidence | 7 | |||
“Wintsec Technologies is a based full service technology and services company.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | Micrologix Network Services, LLCPartial evidence | 7 | |||
“MicroLogix Network Services has been a trusted IT partner in the Central Florida area since 1997, specializing in comprehensive IT support for small and medium-sized businesses.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | Netfusion, INCPartial evidence | 7 | |||
“NetFusion has been serving the Los Angeles area since 1995, providing IT Support such as technical helpdesk support, computer support, and consulting to small and medium-sized…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 | ||||
“We are a company of dedicated and highly trained professionals who provide technical assistance to customers facing issues with a wide range of products and services.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 | ||||
“Award Winning IT Helpdesk period, located in San Diego County California.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | ServicebyteStrong evidence | 6 | |||
“We provide IT support and solutions via online help desk and remote service.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | Titan NetworkingStrong evidence | 6 | |||
“We are your IT hub with 24/7 remote help desk services.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | Beowulf Technologies, LLCIndirect evidence | 6 | |||
“Beowulf Technologies, LLC is a full-service provider offering the highest quality service to businesses across the upstate.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 | ||||
“We get it!” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | Computer Equipment ServicesStrong evidence | 6 | |||
“Computer Equipment Services offers a full range of Help Desk and Managed IT Services for small to medium size businesses.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 96 IT help desk staffing based in the United States
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IT help desk staffing based in the United States at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
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 help desk staffing, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 help desk staffing”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among IT help desk staffing, 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 an evidence 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, 181 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 4, 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.
Frequently asked
How many IT help desk staffing are there based in the United States?
RevenueBase identified 96 IT help desk staffing 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?
Theitsupportcenter, LLC, headquartered in West Conshohocken, tops this list with the largest team on record.
Which city has the most IT help desk staffing?
Miami leads with 3 headquartered companies, followed by Charlotte (2) and Gaithersburg (2).
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 181 verified decision-maker contacts tracked across these 96 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 4, 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 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.
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