Company lists · Data refreshed September 2026

Top 25 Telecom systems integrators worldwide

Name: Telecom systems integrators worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 20,072 companies tracked

RevenueBase identified 20,072 company matches for telecom systems integrators worldwide as of September 2026 and tracks 404,732 professional contacts across them, including 93,368 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecom systems integrators 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 September 29, 2026. Country and city lists for telecom systems integrators 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 Sep 29, 2026 How this list was built

20,072Companies

404,732Contacts tracked

93,368Verified emails

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The 25 largest telecom systems integrators worldwide

Ranked by team size

Top 25 of 20,072 company matches for telecom systems integrators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Serede	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 29, 2026	10001+	8,011 contacts →
	Exact match “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	PT Performance Technologies, INC	Exact match	Rochester, NY, United StatesHQ recorded Sep 29, 2026	n/a	6,332 contacts →
	Exact match “PT, a global supplier of advanced network solutions, offers Diameter and SS7 Signaling Systems delivering advanced routing/applications to SS7, 4G/LTE, and IMS telecom networks.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Sep 29, 2026	10001+	5,707 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 · Sep 29, 2026 · View company records in RevenueBase
4	Automated Systems Design, INC	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 29, 2026	n/a	2,678 contacts →
	Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Velocis Systems Private Limited	Exact match	Noida, IndiaHQ recorded Sep 29, 2026	1,001-5,000	2,637 contacts →
	Exact match “As one of India’s leading system integrators, Velocis partners with organizations to turn technology into a catalyst for measurable business value.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Spread Tecnologia	Exact match	São Paulo, BrazilHQ recorded Sep 29, 2026	1,001-5,000	2,521 contacts →
	Exact match “With over 30 years of experience in Information and Communication Technology market, the Spread has extensive experience and expertise in the field and has the challenge of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Allied Digital	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	1,001-5,000	2,475 contacts →
	Exact match “Allied Digital Services is a globally recognized leader in Digital Transformation and a Master Systems Integrator, with over four decades of proven experience.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	SVA System Vertrieb Alexander Gmbh	Exact match	Wiesbaden, GermanyHQ recorded Sep 29, 2026	1,001-5,000	2,452 contacts →
	Exact match “Imprint: SVA is one of the leading system integrators in Germany.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Sirti S.P.A	Exact match	Sesto San Giovanni (mi), ItalyHQ recorded Sep 29, 2026	1,001-5,000	2,332 contacts →
	Exact match “Sirti is Italy's leading technology company in the design and production of network infrastructures and telecoms system integration.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Giza Systems	Exact match	Cairo, EgyptHQ recorded Sep 29, 2026	1,001-5,000	1,975 contacts →
	Exact match “pulse by solutions (formerly known as Giza Systems Group) is the trusted global force behind critical industries, deploying the Intelligence That Transforms to accelerate digital…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,800 contacts →
	Exact match “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Radisys	Exact match	Hillsboro, OR, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,742 contacts →
	Exact match “Radisys is a proven, global leader in open telecom solutions and services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Camusat	Exact match	Paris, FranceHQ recorded Sep 29, 2026	1,001-5,000	1,726 contacts →
	Exact match “Camusat is one of the market leaders in the implementation of telecom infrastructures and one of the most experienced network developers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Consort Group	Exact match	Paris, FranceHQ recorded Sep 29, 2026	1,001-5,000	1,704 contacts →
	Exact match “Acteur de référence des systèmes d’information augmentés par l’intégration stratégique de la data, Consort Group accompagne les entreprises pour leur permettre de valoriser ce…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Sep 29, 2026	1,001-5,000	1,573 contacts →
	Exact match “From a regional telecom networks builder in 1967 in Quebec (Canada), Telecon has grown into a world-class industry-leading telecom networks design, infrastructure and connectivity…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	SIBCA	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Sep 29, 2026	1,001-5,000	1,504 contacts →
	Exact match “From humble beginnings in 1977, SIBCA has grown to become a leading Solution Integrator Provider in UAE for Fire Protection and Life Safety Systems, Security Systems, HVAC…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Tulip Telecom	Exact match	New Delhi, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,481 contacts →
	Exact match “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Aerial Telecom Solutions	Exact match	Mohali, IndiaHQ recorded Sep 29, 2026	5,001-10,000	1,388 contacts →
	Exact match “Aerial Telecom Solutions Private Limited is a global systems integrator and technology partner, driving next-generation connectivity and digital transformation across diverse…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Italtel	Exact match	Milan, GermanyHQ recorded Sep 29, 2026	1,001-5,000	1,279 contacts →
	Exact match “We help our customers to choose the most suitable solutions for the characteristics of their business, to develop the traditional communication technologies they already have in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	ADC	Exact match	Eden Prairie, MN, United StatesHQ recorded Sep 29, 2026	5,001-10,000	1,271 contacts →
	Exact match “We help the world communicate, supplying network equipment, software solutions, and integration services for broadband, multiservice networks that deliver data, video, and voice…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Malomatia	Exact match	Doha, QatarHQ recorded Sep 29, 2026	1,001-5,000	1,249 contacts →
	Exact match “malomatia, Qatar’s leading systems integrator, is committed to propelling the nation’s digital transformation journey.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Alpha Data	Exact match	Uae - Saudi - Qatar, United Arab EmiratesHQ recorded Sep 29, 2026	1,001-5,000	1,246 contacts →
	Exact match “As one of the leading Digital Transformation providers & System Integrators in the Middle East, with offices in the UAE, Saudi Arabia, and Qatar, Alpha Data empowers thousands of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Site SPA	Exact match	Bologna, ItalyHQ recorded Sep 29, 2026	1,001-5,000	1,221 contacts →
	Exact match “SITE fornisce servizi di System Integration, nella realizzazione di infrastrutture e impianti tecnologici.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Vedang Cellular Services Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,137 contacts →
	Exact match “Vedang Cellular Services - A Bluspring Enterprise is India’s leading master system integrator enabling large-scale telecom and digital infrastructure across 22 circles covering…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Zelenza	Exact match	Madrid, SpainHQ recorded Sep 29, 2026	1,001-5,000	1,125 contacts →
	Exact match “En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded in the RevenueBase company graph · Sep 29, 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 “telecom systems integrators”. 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 20,072 telecom systems integrators worldwide

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Telecom systems integrators worldwide at a glance

As of Sep 29, 2026

23.1%Verified-email coverage

20.2Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

7,702

11-50

8,218

51-200

2,905

201-500

716

501-1,000

255

1,001-5,000

154

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 telecom systems integrators are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecom systems integrators” 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 93,368 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 September 29, 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.

Telecom systems integrators by location

125 lists · largest first

Every Telecom systems integrators 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 “telecom systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom systems integrators are there worldwide?

RevenueBase identified 20,072 company matches for telecom systems integrators worldwide as of September 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?

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

Which country has the most telecom systems integrators?

The United States leads with 3,782 companies, followed by India (1,098) and Italy (917). Every telecom systems integrators list by country and city is linked on this page.

Which city has the most telecom systems integrators?

Sao Paulo leads with 238 company records, followed by Dubai (223) and Riyadh (146).

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 93,368 professional contacts with verified work emails tracked across these 20,072 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 September 29, 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.