Company lists · Data refreshed September 2026

Top 25 Telecommunications systems integration companies worldwide

Name: Telecommunications systems integration companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 29,962 companies tracked

RevenueBase identified 29,962 company matches for telecommunications systems integration companies worldwide as of September 2026 and tracks 557,212 professional contacts across them, including 123,741 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecommunications systems integration companies 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 telecommunications systems integration companies 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

29,962Companies

557,212Contacts tracked

123,741Verified emails

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The 25 largest telecommunications systems integration companies worldwide

Ranked by team size

Top 25 of 29,962 company matches for telecommunications systems integration companies 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	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
3	Circet	Exact match	Paris, FranceHQ recorded Sep 29, 2026	10001+	3,901 contacts →
	Exact match “A global player in the telecom infrastructure services industry, the Circet Group provides operators, local authorities and key accounts throughout the world with an integrated…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Black BOX	Exact match	Plano, TX, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,667 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 · Sep 29, 2026 · View company records in RevenueBase
5	GTL Limited	Exact match	Navi Mumbai, IndiaHQ recorded Sep 29, 2026	1,001-5,000	2,780 contacts →
	Exact match “GTL, a Global Group Enterprise, is a leading Network Services company, offering services and solutions to address the Network Life Cycle requirements of Telecom Operators…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	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
7	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
8	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
9	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
10	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
11	Sogetrel	Exact match	Issy Les Moulineaux, FranceHQ recorded Sep 29, 2026	1,001-5,000	2,285 contacts →
	Exact match “En première ligne de la transformation numérique des entreprises et des territoires, le Groupe Sogetrel est spécialisé dans les services aux infrastructures numériques et…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	LCC	Exact match	Mclean, VA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	2,193 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	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
14	NEC Corporation India PVT LTD	Exact match	IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,972 contacts →
	Exact match “NEC Corporation India, a wholly owned subsidiary of NEC Corporation, Japan, has operated in India since the 1950s, drawing on more than 127 years of technological innovation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Kddi Corporation	Exact match	Tokyo, JapanHQ recorded Sep 29, 2026	10001+	1,966 contacts →
	Exact match “We are Japan’s global telecommunications pioneer and a Global Fortune 500 company, providing our international customer base with data centers, networks, content delivery, system…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	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
17	Ninguno	Exact match	Madrid, SpainHQ recorded Sep 29, 2026	n/a	1,744 contacts →
	Exact match “Siadde Soluciones es una compañía tecnológica, innovadora y competitiva en un contexto global.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	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
19	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
20	PT Berca Hardayaperkasa	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 29, 2026	1,001-5,000	1,701 contacts →
	Exact match “Since its establishment in 1990, PT.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Congruex	Exact match	Boulder, CO, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,676 contacts →
	Exact match “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	CMS Computers India PVT LTD	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	5,001-10,000	1,672 contacts →
	Exact match “Founded as Computer Maintenance and Services Company in 1976, CMS Computers Limited is a pioneer and leader in the Indian ICT industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	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
24	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 29, 2026	1,001-5,000	1,510 contacts →
	Exact match “Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	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

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 “telecommunications systems integration companies”. 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 29,962 telecommunications systems integration companies worldwide

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Telecommunications systems integration companies worldwide at a glance

As of Sep 29, 2026

22.2%Verified-email coverage

18.6Average 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

12,080

11-50

11,849

51-200

4,201

201-500

1,034

501-1,000

356

1,001-5,000

238

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 telecommunications systems integration companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecommunications systems integration companies” 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 123,741 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.

Telecommunications systems integration companies by location

168 lists · largest first

Every Telecommunications systems integration companies 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 “telecommunications systems integration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications systems integration companies are there worldwide?

RevenueBase identified 29,962 company matches for telecommunications systems integration companies 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 telecommunications systems integration companies?

The United States leads with 5,880 companies, followed by India (1,530) and Brazil (1,469). Every telecommunications systems integration companies list by country and city is linked on this page.

Which city has the most telecommunications systems integration companies?

Sao Paulo leads with 374 company records, followed by Dubai (305) and Riyadh (200).

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 123,741 professional contacts with verified work emails tracked across these 29,962 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.