Company lists · Data refreshed November 2026

Top 25 Information technology IT management services worldwide

RevenueBase identified 120,010 company matches for information technology IT management services worldwide as of November 2026 and tracks 1,785,990 professional contacts across them, including 438,363 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for information technology IT management services 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 information technology IT management services 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
120,010Companies
1,785,990Contacts tracked
438,363Verified emails
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The 25 largest information technology IT management services worldwide

Ranked by team size
Top 25 of 120,010 company matches for information technology IT management services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAshburn, VA, United StatesHQ recorded Nov 6, 202610001+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
2Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+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
3Exact matchTokyo, JapanHQ recorded Nov 6, 202610001+42,145 contacts →

Exact match

“NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSouthborough, MA, United StatesHQ recorded Nov 6, 202610001+31,368 contacts →

Exact match

“Virtusa is a global product and platform engineering services company that makes experiences better with technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNoida, IndiaHQ recorded Nov 6, 202610001+17,431 contacts →

Exact match

“HCL Infosystems Enterprise 360 offerings seamlessly combine the choice of multi-global brand IT & Technology Products and world-class IT services that span existing and emerging…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchVernon Hills, IL, United StatesHQ recorded Nov 6, 202610001+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
7Exact matchMclean, IL, United StatesHQ recorded Nov 6, 202610001+13,603 contacts →

Exact match

“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGlen Allen, United StatesHQ recorded Nov 6, 20261,001-5,00012,788 contacts →

Exact match

“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 20265,001-10,00010,193 contacts →

Exact match

“About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFort Mill, WA, United StatesHQ recorded Nov 6, 20265,001-10,0008,318 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
11Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,0007,577 contacts →

Exact match

“Elm is the leading provider of innovative secure services & solutions to both public and private sectors in Saudi Arabia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSomerset, United StatesHQ recorded Nov 6, 20265,001-10,0007,151 contacts →

Exact match

“Think of SHI as your personal technology concierge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAuckland, New ZealandHQ recorded Nov 6, 20265,001-10,0006,268 contacts →

Exact match

“Datacom is a technology partner and solutions provider combining deep local expertise with global capability, working across data, cloud, cyber security, digital engineering and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBirmingham, FranceHQ recorded Nov 6, 20265,001-10,0005,859 contacts →

Exact match

“SCC unleashes the potential of IT for global businesses, as one of Europe’s largest independent IT groups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDortmund, GermanyHQ recorded Nov 6, 20265,001-10,0005,232 contacts →

Exact match

“The future belongs to companies that effectively translate agentic AI into value creation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,0004,945 contacts →

Exact match

“Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBangalore, IndiaHQ recorded Nov 6, 20265,001-10,0004,449 contacts →

Exact match

“CMS IT is a leading India-focused, tier-1 preferred IT provider with a legacy of four decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0004,274 contacts →

Exact match

“At Presidio, speed and quality meet technology and innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPlano, United StatesHQ recorded Nov 6, 20261,001-5,0004,014 contacts →

Exact match

“Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAmsterdam-duivendrecht, NetherlandsHQ recorded Nov 6, 20261,001-5,0003,998 contacts →

Exact match

“Running technology across multiple vendors and regions creates redundancy, cost, risk and slower innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMerrimack, NH, United StatesHQ recorded Nov 6, 20261,001-5,0003,722 contacts →

Exact match

“As a Global IT Solutions Provider, we connect people with technology that enhances growth, elevates productivity, and empowers innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20261,001-5,0003,432 contacts →

Exact match

“At Quest Software, we help organizations build modern, trusted foundations for AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCranbury, United StatesHQ recorded Nov 6, 202610001+3,272 contacts →

Exact match

“Visionet is a premier digital technology solutions company built on the premise of disruptive innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,0003,044 contacts →

Exact match

“Think IT, Think Sysnet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,0002,955 contacts →

Exact match

“Operate, optimise, and transform with the IT services company that offers the enterprise-grade solutions needed to grow your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 120,010 information technology IT management services worldwide

See the full list, filter by size, metro and specialty, and access 438,363 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information technology IT management services worldwide at a glance

As of Nov 6, 2026
24.5%Verified-email coverage
14.9Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
67,859
11-50
36,962
51-200
10,136
201-500
2,416
501-1,000
725
1,001-5,000
470
5,001-10,000
76
10001+
113

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 information technology IT management services are linked below.
What qualifies
Company records worldwide whose business descriptions match “information technology IT management services” 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 438,363 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.

Information technology IT management services by location

603 lists · largest first

Every Information technology IT management services 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 “information technology IT management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information technology IT management services are there worldwide?

RevenueBase identified 120,010 company matches for information technology IT management services 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 information technology IT management services?

The United States leads with 26,424 companies, followed by India (12,086) and the United Kingdom (6,597). Every information technology IT management services list by country and city is linked on this page.

Which city has the most information technology IT management services?

London leads with 1582 company records, followed by Sao Paulo (1169) and Bangalore (1090).

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 438,363 professional contacts with verified work emails tracked across these 120,010 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.