Company lists · Data refreshed November 2026

Top 25 IT maintenance companies worldwide

Name: IT maintenance companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,703 companies tracked

RevenueBase identified 10,703 company matches for IT maintenance companies worldwide as of November 2026 and tracks 60,253 professional contacts across them, including 12,270 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT maintenance companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for IT maintenance companies follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

10,703Companies

60,253Contacts tracked

12,270Verified emails

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The 25 largest IT maintenance companies worldwide

Ranked by team size

Top 25 of 10,703 company matches for IT maintenance companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Pomeroy	Exact match	Hebron, KY, PalestineHQ recorded Nov 6, 2026	1,001-5,000	2,671 contacts →
	Exact match “Technology is mission-critical to your business so it must work, continuously.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	SES	Exact match	DenmarkHQ recorded Nov 6, 2026	n/a	642 contacts →
	Exact match “Spar op til 80 % på den daglige drift af jeres IT miljø Lej en ekstern IT konsulent til optimering af IT i din virksomhed IT konsulent på lejebasis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Cmit Solutions	Exact match	Austin, OR, United StatesHQ recorded Nov 6, 2026	501-1,000	458 contacts →
	Exact match “CMIT Solutions is a premier IT solution company dedicated to delivering enterprise-class IT support to businesses across North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	PCS	Exact match	Moorestown, NJ, United StatesHQ recorded Nov 6, 2026	201-500	355 contacts →
	Exact match “Teamwork.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Arantes TI	Exact match	Sao Paulo, United StatesHQ recorded Nov 6, 2026	n/a	268 contacts →
	Exact match “Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Ongc Systems	Exact match	Arundel, AustraliaHQ recorded Nov 6, 2026	n/a	252 contacts →
	Exact match “ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Wolkit Soluciones DE TI	Exact match	MexicoHQ recorded Nov 6, 2026	n/a	252 contacts →
	Exact match “Corporativo Guadalajara” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Geeks On Site	Exact match	Coral Gables, FL, United StatesHQ recorded Nov 6, 2026	201-500	207 contacts →
	Exact match “Geeks on Site provides onsite and remote computer repair and technical support, depending on each customer’s needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	MILA	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	n/a	165 contacts →
	Exact match “Founded in 2013, Mila is today present in Switzerland, Germany, United-Kingdom, France and Austria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	SD Tech	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 2026	n/a	159 contacts →
	Exact match “For over twenty five years, SD Tech has been providing IT Support for small and medium-sized businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	OK	Exact match	Reykjavík, IcelandHQ recorded Nov 6, 2026	51-200	149 contacts →
	Exact match “OK er öflugt tölvufyrirtæki sem sérhæfir sig í þjónustu og rekstri tölvukerfa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Five Nines	Exact match	Lincoln, NE, United StatesHQ recorded Nov 6, 2026	201-500	142 contacts →
	Exact match “We’re an independently-owned managed IT and Tech Operations partner with over 200 employees solely focused on IT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Centro Nacional DE Servicios SAC	Exact match	Lince, PeruHQ recorded Nov 6, 2026	51-200	139 contacts →
	Exact match “Empresa orientada a la prestación de servicios de TI, de post-venta: Soporte de equipos y soluciones de TI, Outsorucing de infraestrcutura de TI; Reparación y garantía de equipos…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Technet	Exact match	Carlsbad, CA, United StatesHQ recorded Nov 6, 2026	201-500	136 contacts →
	Exact match “Technology Services, Built for Scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Tpmguru	Exact match	Noida, IndiaHQ recorded Nov 6, 2026	51-200	134 contacts →
	Exact match “TPMGuru is a leading provider of IT Support, managed services, repair and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	RX Technology	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 2026	51-200	130 contacts →
	Exact match “Rx Technology is San Antonio’s premier family-owned technology partner, specializing in end-to-end IT lifecycle management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Splice	Exact match	Palo Alto, UT, United StatesHQ recorded Nov 6, 2026	51-200	129 contacts →
	Exact match “Founded in 2002, Splice is a National and Global provider of IT Services to SMB and Enterprise clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Hitech	Exact match	Ruston, LA, United StatesHQ recorded Nov 6, 2026	51-200	119 contacts →
	Exact match “HiTech Computers was founded in 1997 to provide the North Louisiana area with quality IT services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Abtech Technologies	Exact match	Vista, CA, United StatesHQ recorded Nov 6, 2026	51-200	115 contacts →
	Exact match “Abtech Technologies is a leading IT solutions, support and managed services provider based in Carlsbad California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	H-Tech Supports	Exact match	Saint-leu-la-forêt, FranceHQ recorded Nov 6, 2026	51-200	111 contacts →
	Exact match “We at HTS provide the modern day IT and network solutions to the enterprise markets through an extensive range of managed IT support services to its worldwide clientele.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Tech-Keys	Exact match	Howell, NJ, United StatesHQ recorded Nov 6, 2026	51-200	108 contacts →
	Exact match “Tech-Keys provides industry leading IT design, implementation, support and maintenance for small to medium businesses in multiple verticals throughout the US.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Hocs Consulting INC	Exact match	Brooklyn, NJ, United StatesHQ recorded Nov 6, 2026	201-500	107 contacts →
	Exact match “HOCS CONSULTING has been in the business of helping small, medium and large sized business with their IT IT Support needs in New York since 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Zaco Computers Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	51-200	105 contacts →
	Exact match “Zaco is providing third-party IT maintenance services, multi-vendor support, refurbished IT infrastructure and network equipment since We have presence in India, United Kingdom…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Everience Italia	Exact match	Rho, ItalyHQ recorded Nov 6, 2026	51-200	101 contacts →
	Exact match “Since 2012, we have been helping our clients in Business Development and achieving their goals in a market undergoing deep contraction and change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Sybex Support Services	Exact match	Ajax, ON, CanadaHQ recorded Nov 6, 2026	51-200	101 contacts →
	Exact match “Sybex is a global leader in IT field services and managed solutions, with a network of 1800+ certified techs across 60 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT maintenance companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 10,703 IT maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 12,270 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT maintenance companies worldwide at a glance

As of Nov 6, 2026

20.4%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,044

11-50

1,979

51-200

325

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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.
Coverage: Every country. Country and city lists for IT maintenance companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT maintenance companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 12,270 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

IT maintenance companies by location

37 lists · largest first

Every IT maintenance companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT maintenance companies are there worldwide?

RevenueBase identified 10,703 company matches for IT maintenance companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Pomeroy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most IT maintenance companies?

The United States leads with 3,041 companies, followed by the United Kingdom (831) and Brazil (646). Every IT maintenance companies list by country and city is linked on this page.

Which city has the most IT maintenance companies?

London leads with 154 company records, followed by Sao Paulo (112) and New York (62).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 12,270 professional contacts with verified work emails tracked across these 10,703 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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.