Company lists · Data refreshed November 2026

Top 25 Systems integration and managed services worldwide

Name: Systems integration and managed services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 117,084 companies tracked

RevenueBase identified 117,084 company matches for systems integration and managed services worldwide as of November 2026 and tracks 2,207,588 professional contacts across them, including 572,791 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for systems integration and managed 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 systems integration and managed 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

117,084Companies

2,207,588Contacts tracked

572,791Verified emails

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The 25 largest systems integration and managed services worldwide

Ranked by team size

Top 25 of 117,084 company matches for systems integration and managed 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Autônomo	Exact match	Wangara, AustraliaHQ recorded Nov 6, 2026	n/a	106,361 contacts →
	Exact match “Autônomo Pty Ltd is a West Australian-owned technology integration company, established in 2018 and delivering end-to-end solutions across the mining, energy, and infrastructure…” 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	NTT Data	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	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
4	SAIC	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	10001+	34,914 contacts →
	Exact match “SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Orange Business	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	25,625 contacts →
	Exact match “In a world that never stands still, possibility is everywhere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Insight	Exact match	Chandler, United StatesHQ recorded Nov 6, 2026	10001+	14,497 contacts →
	Exact match “Insight Enterprises, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	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
8	Guidehouse	Exact match	Mclean, IL, United StatesHQ recorded Nov 6, 2026	10001+	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
9	Dimension Data	Exact match	Bryanston, South AfricaHQ recorded Nov 6, 2026	10001+	8,486 contacts →
	Exact match “Dimension Data is a leading African born technology provider operating in the Middle East and Africa, offering a portfolio of services including systems integration, managed…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	ELM Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	7,577 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
12	Sify Technologies Limited	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	7,202 contacts →
	Exact match “A Fortune India 500 company, Sify Technologies is India’s most comprehensive ICT service & solution provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	SHI International Corp	Exact match	Somerset, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,151 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
14	Evalueserve	Exact match	Zug, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	6,175 contacts →
	Exact match “Evalueserve is a global Domain-led AI services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Nov 6, 2026	10001+	6,031 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	SCC	Exact match	Birmingham, FranceHQ recorded Nov 6, 2026	5,001-10,000	5,859 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
17	SII Poland	Exact match	Warsaw, PolandHQ recorded Nov 6, 2026	5,001-10,000	5,657 contacts →
	Exact match “With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Leadec	Exact match	Stuttgart, GermanyHQ recorded Nov 6, 2026	10001+	5,579 contacts →
	Exact match “Leadec is the leading global service specialist for factories across their entire life cycle and related infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	BCX	Exact match	Centurion, South AfricaHQ recorded Nov 6, 2026	5,001-10,000	5,535 contacts →
	Exact match “Reimagine evolution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Adesso SE	Exact match	Dortmund, GermanyHQ recorded Nov 6, 2026	5,001-10,000	5,232 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
21	Bechtle	Exact match	Neckarsulm, GermanyHQ recorded Nov 6, 2026	10001+	5,072 contacts →
	Exact match “Bechtle is one of Europe’s leading IT service providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	CMS IT Services	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	5,001-10,000	4,449 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
23	Presidio	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,274 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
24	Black BOX	Exact match	Plano, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,014 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
25	REPLY	Exact match	Turin, ItalyHQ recorded Nov 6, 2026	10001+	3,992 contacts →
	Exact match “Reply [EXM, STAR: REY] specialises in the design and implementation of solutions based on new communication channels and digital media.” 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 “systems integration and managed services”. 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 117,084 systems integration and managed services worldwide

See the full list, filter by size, metro and specialty, and access 572,791 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems integration and managed services worldwide at a glance

As of Nov 6, 2026

25.9%Verified-email coverage

18.9Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

59,471

11-50

40,156

51-200

11,817

201-500

2,744

501-1,000

895

1,001-5,000

633

5,001-10,000

10001+

127

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 systems integration and managed services are linked below.
What qualifies: Company records worldwide whose business descriptions match “systems integration and managed 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 572,791 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.

Systems integration and managed services by location

620 lists · largest first

Every Systems integration and managed 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 “systems integration and managed services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems integration and managed services are there worldwide?

RevenueBase identified 117,084 company matches for systems integration and managed 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?

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

Which country has the most systems integration and managed services?

The United States leads with 24,823 companies, followed by India (8,912) and the United Kingdom (6,421). Every systems integration and managed services list by country and city is linked on this page.

Which city has the most systems integration and managed services?

London leads with 1516 company records, followed by Sao Paulo (1286) and Dubai (1086).

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 572,791 professional contacts with verified work emails tracked across these 117,084 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.