Company lists · Data refreshed November 2026

Top 25 IT operations companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 26,193 companies tracked

RevenueBase identified 26,193 company matches for IT operations companies worldwide as of November 2026 and tracks 496,093 professional contacts across them, including 140,716 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for IT operations 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 operations 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

26,193Companies

496,093Contacts tracked

140,716Verified emails

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The 25 largest IT operations companies worldwide

Ranked by team size

Top 25 of 26,193 company matches for IT operations 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	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Nov 6, 2026	10001+	86,844 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kyndryl	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	47,955 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Computacenter	Exact match	Hatfield, United KingdomHQ recorded Nov 6, 2026	10001+	17,715 contacts →
	Exact match “Computacenter is a leading independent technology and services provider, trusted by large corporate and public sector organisations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 6, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Compucom	Exact match	Fort Mill, WA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,318 contacts →
	Exact match “Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Atos IT Solutions And Services A S	Exact match	Taastrup, DenmarkHQ recorded Nov 6, 2026	n/a	3,713 contacts →
	Exact match “Atos er en international IT-serviceleverandør med en årlig omsætning i 2012 på 8.8 milliarder EUR og 76.400 medarbejdere i 47 lande.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Sysnet Global Technologies PVT LTD	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	1,001-5,000	3,044 contacts →
	Exact match “Think IT, Think Sysnet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	TRT	Exact match	Singapore, GermanyHQ recorded Nov 6, 2026	n/a	2,153 contacts →
	Exact match “TRT is a Global Provider of IT Server, Storage and Networking Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Aforeserve.com LTD	Exact match	Noida, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,141 contacts →
	Exact match “Aforeserve delivers IT infrastructure services, field support, and managed operations for enterprises across India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CMS	Exact match	Meudon La Foret, FranceHQ recorded Nov 6, 2026	n/a	1,569 contacts →
	Exact match “Société d'infogérance” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	RS Serviços	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,418 contacts →
	Exact match “Um jeito diferente de servir.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Wachter, INC	Exact match	Lenexa, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,356 contacts →
	Exact match “Wachter is on the cutting-edge of technology and infrastructure installation and has been since 1930.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Noesis	Exact match	Lisbon, PortugalHQ recorded Nov 6, 2026	1,001-5,000	1,270 contacts →
	Exact match “Noesis is an international tech consulting company with 30 years of experience, delivering solutions to drive digital transformation and support business growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Trends & Technologies, INC	Exact match	Makati City, PhilippinesHQ recorded Nov 6, 2026	501-1,000	1,216 contacts →
	Exact match “Trends empowers our clients with technology-enabled business services allowing them to transcend.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Onitio	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	1,187 contacts →
	Exact match “Onitio is an IT service and infrastructure provider working across the Nordic region.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Solugenix	Exact match	Brea, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,151 contacts →
	Exact match “Technology only matters when it helps the business run better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	TCM	Exact match	Sandton, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	1,131 contacts →
	Exact match “Established in 1987, TCM possesses the expertise, experience and agility to meet customers' IT requirements and adapt in an ever-changing economic and corporate climate, through…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	NSC Global	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,091 contacts →
	Exact match “Global business doesn’t have to be complicated.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Avaso Technology Solutions	Exact match	Denmark, GA, JapanHQ recorded Nov 6, 2026	1,001-5,000	1,034 contacts →
	Exact match “AVASO Technology Solutions is a global end-to-end field services ecosystem provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Ilha Service Tecnologia Ltda	Exact match	São José, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,025 contacts →
	Exact match “Atuante no mercado de Tecnologia desde o ano de 1991, com certificação ISO 9001 para prestação de serviços de TI e fabricação de computadores, a IlhaService é uma empresa…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Interop	Exact match	Porto Alegre, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,024 contacts →
	Exact match “Há 31 anos, a InterOp entrega serviços em tecnologia da informação, para empresas de todos os tamanhos e setores.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	GSS Infotech	Exact match	United StatesHQ recorded Nov 6, 2026	501-1,000	972 contacts →
	Exact match “Founded in GSS Infotech is a global leader that offers technology and service solutions through staffing and IT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Comware S.A	Exact match	Bogotá, ColombiaHQ recorded Nov 6, 2026	1,001-5,000	962 contacts →
	Exact match “Somos un equipo profesional en el diseño, implementación y gestión de soluciones tecnológicas, que apoya el desarrollo y soporte de su negocio.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Kaizen IT Services Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Nov 6, 2026	501-1,000	885 contacts →
	Exact match “Kaizen is a premier IT Services company headquartered in Kolkata and having its presence in Pan India with 750 Plus Touch Points.” 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 operations 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 26,193 IT operations companies worldwide

See the full list, filter by size, metro and specialty, and access 140,716 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT operations companies worldwide at a glance

As of Nov 6, 2026

28.4%Verified-email coverage

18.9Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

15,250

11-50

7,965

51-200

1,901

201-500

472

501-1,000

146

1,001-5,000

124

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 operations companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT operations 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 140,716 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 operations companies by location

142 lists · largest first

Every IT operations 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 operations companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT operations companies are there worldwide?

RevenueBase identified 26,193 company matches for IT operations 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?

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

Which country has the most IT operations companies?

The United States leads with 6,413 companies, followed by Brazil (1,862) and India (1,808). Every IT operations companies list by country and city is linked on this page.

Which city has the most IT operations companies?

Sao Paulo leads with 421 company records, followed by London (403) and Bangalore (184).

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 140,716 professional contacts with verified work emails tracked across these 26,193 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.