Company lists · Data refreshed November 2026

Top 25 Systems infrastructure engineers worldwide

RevenueBase identified 50,268 company matches for systems infrastructure engineers worldwide as of November 2026 and tracks 914,447 professional contacts across them, including 261,152 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for systems infrastructure engineers 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 infrastructure engineers 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
50,268Companies
914,447Contacts tracked
261,152Verified emails
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The 25 largest systems infrastructure engineers worldwide

Ranked by team size
Top 25 of 50,268 company matches for systems infrastructure engineers 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 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
2Exact matchVadodara, IndiaHQ recorded Nov 6, 202610001+36,322 contacts →

Exact match

“L&T Technology Services (LTTS) is one of the world’s leading engineering and technology service providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPune, NC, IndiaHQ recorded Nov 6, 202610001+14,500 contacts →

Exact match

“Navigating Change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 20265,001-10,00010,218 contacts →

Exact match

“We believe that infrastructure powers progress.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChennai, IndiaHQ recorded Nov 6, 20261,001-5,0007,202 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
7Exact 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
8Exact 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
9Exact 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
10Exact matchChêne-bourg, SwitzerlandHQ recorded Nov 6, 20265,001-10,0005,223 contacts →

Exact match

“Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Nov 6, 202610001+5,212 contacts →

Exact match

“Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchSanta Clara, United StatesHQ recorded Nov 6, 202610001+4,380 contacts →

Exact match

“Aricent is now Altran, delivering industry innovations at future speed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact matchMarlow, United KingdomHQ recorded Nov 6, 20261,001-5,0003,073 contacts →

Exact match

“Softcat is a leading provider of IT infrastructure to corporate and public sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDecatur, United StatesHQ recorded Nov 6, 20265,001-10,0003,027 contacts →

Exact match

“Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchJakarta, IndonesiaHQ recorded Nov 6, 20261,001-5,0002,734 contacts →

Exact match

“Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWiesbaden, GermanyHQ recorded Nov 6, 20261,001-5,0002,686 contacts →

Exact match

“SVA is one of the leading system integrators in Germany.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSaint-ouen, FranceHQ recorded Nov 6, 202610001+2,224 contacts →

Exact match

“Gfi became Inetum in 2020.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSingapore, GermanyHQ recorded Nov 6, 2026n/a2,153 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
22Exact matchNoida, IndiaHQ recorded Nov 6, 20261,001-5,0002,141 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
23Exact matchIrving, United StatesHQ recorded Nov 6, 2026501-1,0002,086 contacts →

Exact match

“IT Convergence is a global Oracle Platinum Partner with a comprehensive service offering across all three pillars of the Cloud (IaaS, PaaS, SaaS), including Consulting/Advisory…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTempe, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0001,994 contacts →

Exact match

“IES Communications, a division of IES Holdings, Inc.(NASDAQ: IESC), is a national technology infrastructure integrator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBrasilia, BrazilHQ recorded Nov 6, 20265,001-10,0001,973 contacts →

Exact match

“A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…”

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

Showing 25 of 50,268 systems infrastructure engineers worldwide

See the full list, filter by size, metro and specialty, and access 261,152 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems infrastructure engineers worldwide at a glance

As of Nov 6, 2026
28.6%Verified-email coverage
18.2Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
26,047
11-50
16,821
51-200
5,081
201-500
1,172
501-1,000
374
1,001-5,000
236
5,001-10,000
34
10001+
47

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 infrastructure engineers are linked below.
What qualifies
Company records worldwide whose business descriptions match “systems infrastructure engineers” 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 261,152 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 infrastructure engineers by location

280 lists · largest first

Every Systems infrastructure engineers 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 infrastructure engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems infrastructure engineers are there worldwide?

RevenueBase identified 50,268 company matches for systems infrastructure engineers 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?

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

Which country has the most systems infrastructure engineers?

The United States leads with 9,657 companies, followed by India (4,615) and the United Kingdom (3,015). Every systems infrastructure engineers list by country and city is linked on this page.

Which city has the most systems infrastructure engineers?

London leads with 862 company records, followed by Sao Paulo (596) and Bangalore (520).

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 261,152 professional contacts with verified work emails tracked across these 50,268 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.