Company lists · Data refreshed November 2026

Top 25 System administration providers worldwide

Name: System administration providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 7,403 companies tracked

RevenueBase identified 7,403 company matches for system administration providers worldwide as of November 2026 and tracks 61,439 professional contacts across them, including 14,254 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for system administration providers 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 system administration providers 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

7,403Companies

61,439Contacts tracked

14,254Verified emails

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The 25 largest system administration providers worldwide

Ranked by team size

Top 25 of 7,403 company matches for system administration providers 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	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
3	GURU	Exact match	Rockville, MD, United StatesHQ recorded Nov 6, 2026	n/a	1,941 contacts →
	Exact match “Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	Ntiva, INC	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	534 contacts →
	Exact match “At Ntiva, growing people (our employees, partners, and clients) is our mission.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Soltel Group	Exact match	Seville, SpainHQ recorded Nov 6, 2026	201-500	457 contacts →
	Exact match “Consulta ofertas de trabajo en nuestro portal de empleo: http://empleo.soltel.es Soltel Group es una empresa especializada en la prestación de servicios de administración y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	SEA TPI	Exact match	La Ciotat, FranceHQ recorded Nov 6, 2026	201-500	308 contacts →
	Exact match “SEA TPI est une ESN de 450 personnes spécialisée dans les domaines des opérations informatiques.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Sureworks Infotech PVT LTD - India	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	201-500	301 contacts →
	Exact match “Sureworks Infotech Private Limited (SIPL), a leading IT Solutions provider in India & Dubai was founded in 2009.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	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
11	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
12	Supervisor SA	Exact match	Galatsi, GreeceHQ recorded Nov 6, 2026	n/a	217 contacts →
	Exact match “Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Mahr EDV Gmbh	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	201-500	196 contacts →
	Exact match “Since Mahr EDV has been synonymous with reliable IT support, excellent service, and the highest customer satisfaction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	APN Promise	Exact match	Warsaw, PolandHQ recorded Nov 6, 2026	51-200	181 contacts →
	Exact match “Od 1991 roku współtworzymy rynek technologiczny w Polsce i Europie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	NTX Edegem	Exact match	Edegem, BelgiumHQ recorded Nov 6, 2026	51-200	161 contacts →
	Exact match “As an IT service provider, NTX believes that you should be able to work with IT without worry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	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
18	SPS IT Group	Exact match	Reeuwijk, NetherlandsHQ recorded Nov 6, 2026	51-200	140 contacts →
	Exact match “We are the experts in proactive management of complex IT environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	Aptec México	Exact match	Monterrey, MexicoHQ recorded Nov 6, 2026	11-50	133 contacts →
	Exact match “Infraestructura y servicios profesionales: Servidores x86, x64, IA64 Almacenamiento, SAN, NAS, FC, iSCSI Redes, LAN, VLANs, VPNs Virtualización de Servidores, escritorios…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	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
23	Proactive Business Solutions, INC	Exact match	Oakland, CA, United StatesHQ recorded Nov 6, 2026	201-500	129 contacts →
	Exact match “Simply put, ProActive Business Solutions takes on all the technology tasks your organization doesn’t have the time or resources to handle on its own.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	PWI Sistemas	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	51-200	124 contacts →
	Exact match “Vivendo tecnologia: criando soluções!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	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

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 “system administration providers”. 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 7,403 system administration providers worldwide

See the full list, filter by size, metro and specialty, and access 14,254 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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System administration providers worldwide at a glance

As of Nov 6, 2026

23.2%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,149

11-50

1,828

51-200

241

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 system administration providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “system administration providers” 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 14,254 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.

System administration providers by location

33 lists · largest first

Every System administration providers 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 “system administration providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many system administration providers are there worldwide?

RevenueBase identified 7,403 company matches for system administration providers 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 system administration providers?

The United States leads with 1,750 companies, followed by the United Kingdom (497) and France (475). Every system administration providers list by country and city is linked on this page.

Which city has the most system administration providers?

London leads with 108 company records, followed by Sao Paulo (100) and New York (41).

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 14,254 professional contacts with verified work emails tracked across these 7,403 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.