Company lists · Data refreshed September 2026

Top 25 Telecommunications systems integrators worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 17,374 companies tracked

RevenueBase identified 17,374 telecommunications systems integrators worldwide as of September 2026 and tracks 330,171 professional contacts across them, including 88,893 with verified work emails and 46,952 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers telecommunications systems integrators worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 2026. Country and city lists for telecommunications systems integrators follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 6, 2026 86% judged on-target in blind review

17,374Companies

330,171Contacts tracked

88,893Verified emails

46,952Mobile numbers

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The 25 largest telecommunications systems integrators worldwide

Ranked by team size

Top 25 of 17,374 telecommunications systems integrators worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications systems integrators: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Convergint	Strong evidence	Hoffman Estates, IL, United StatesHQ checked Sep 6, 2026	10001+	5,707 contacts →
	Strong evidence “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Source: RevenueBase Database · checked Sep 6, 2026
2	Automated Systems Design, INC	Partial evidence	Alpharetta, GA, United StatesHQ checked Sep 6, 2026	n/a	2,678 contacts →
	Partial evidence “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Source: RevenueBase Database · checked Sep 6, 2026
3	Spread Tecnologia	Indirect evidence	São Paulo, BrazilHQ checked Sep 6, 2026	1,001-5,000	2,521 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
4	Allied Digital	Strong evidence	Mumbai, IndiaHQ checked Sep 6, 2026	1,001-5,000	2,475 contacts →
	Strong evidence “Allied Digital Services is a globally recognized leader in Digital Transformation and a Master Systems Integrator, with over four decades of proven experience.” Source: RevenueBase Database · checked Sep 6, 2026
5	Sirti S.P.A	Partial evidence	Sesto San Giovanni (mi), ItalyHQ checked Sep 6, 2026	1,001-5,000	2,332 contacts →
	Partial evidence “Sirti is Italy's leading technology company in the design and production of network infrastructures and telecoms system integration.” Source: RevenueBase Database · checked Sep 6, 2026
6	Granite Telecommunications	Partial evidence	Quincy, MA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,270 contacts →
	Partial evidence “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Source: RevenueBase Database · checked Sep 6, 2026
7	Infinera	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,959 contacts →
	Indirect evidence “Infinera is now part of Nokia.” Source: RevenueBase Database · checked Sep 6, 2026
8	IES Communications	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,800 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
9	Camusat	Indirect evidence	Paris, FranceHQ checked Sep 6, 2026	1,001-5,000	1,726 contacts →
	Indirect evidence “Camusat is one of the market leaders in the implementation of telecom infrastructures and one of the most experienced network developers.” Source: RevenueBase Database · checked Sep 6, 2026
10	Telecon	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 6, 2026	1,001-5,000	1,573 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
11	SIBCA	Strong evidence	Abu Dhabi, United Arab EmiratesHQ checked Sep 6, 2026	1,001-5,000	1,504 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
12	Tulip Telecom	Indirect evidence	New Delhi, IndiaHQ checked Sep 6, 2026	1,001-5,000	1,481 contacts →
	Indirect evidence “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Source: RevenueBase Database · checked Sep 6, 2026
13	Aerial Telecom Solutions	Strong evidence	Mohali, IndiaHQ checked Sep 6, 2026	5,001-10,000	1,388 contacts →
	Strong evidence “Aerial Telecom Solutions Private Limited is a global systems integrator and technology partner, driving next-generation connectivity and digital transformation across diverse…” Source: RevenueBase Database · checked Sep 6, 2026
14	Italtel	Indirect evidence	Milan, GermanyHQ checked Sep 6, 2026	1,001-5,000	1,279 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
15	Malomatia	Strong evidence	Doha, QatarHQ checked Sep 6, 2026	1,001-5,000	1,249 contacts →
	Strong evidence “malomatia, Qatar’s leading systems integrator, is committed to propelling the nation’s digital transformation journey.” Source: RevenueBase Database · checked Sep 6, 2026
16	Engility Corporation	Partial evidence	Reston, VA, United StatesHQ checked Sep 6, 2026	5,001-10,000	1,245 contacts →
	Partial evidence “Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.” Source: RevenueBase Database · checked Sep 6, 2026
17	Vedang Cellular Services Pvt. LTD	Strong evidence	Mumbai, IndiaHQ checked Sep 6, 2026	1,001-5,000	1,137 contacts →
	Strong evidence “Vedang Cellular Services - A Bluspring Enterprise is India’s leading master system integrator enabling large-scale telecom and digital infrastructure across 22 circles covering…” Source: RevenueBase Database · checked Sep 6, 2026
18	Cablex AG	Indirect evidence	Muri Bei Bern, SwitzerlandHQ checked Sep 6, 2026	1,001-5,000	1,091 contacts →
	Indirect evidence “Connected for the future with cablex.” Source: RevenueBase Database · checked Sep 6, 2026
19	CCI Systems	Strong evidence	Iron Mountain, MI, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,077 contacts →
	Strong evidence “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Source: RevenueBase Database · checked Sep 6, 2026
20	Kelly Group	Indirect evidence	Wembley, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,053 contacts →
	Indirect evidence “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Source: RevenueBase Database · checked Sep 6, 2026
21	E2 Optics	Partial evidence	Englewood, CO, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,001 contacts →
	Partial evidence “E2 Optics is an award-winning, woman-owned, low voltage IT solutions integrator.” Source: RevenueBase Database · checked Sep 6, 2026
22	Bynet Data Communications	Strong evidence	Tel Aviv, IsraelHQ checked Sep 6, 2026	501-1,000	994 contacts →
	Strong evidence “As Israel's leading systems integrator, Bynet Data Communications offers comprehensive solutions and services that provide complete answers to organizations’ ICT and telecom needs.” Source: RevenueBase Database · checked Sep 6, 2026
23	KGPCO	Indirect evidence	Faribault, MN, United StatesHQ checked Sep 6, 2026	1,001-5,000	974 contacts →
	Indirect evidence “KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.” Source: RevenueBase Database · checked Sep 6, 2026
24	Value Point Systems PVT LTD	Strong evidence	Bangalore, IndiaHQ checked Sep 6, 2026	1,001-5,000	943 contacts →
	Strong evidence “Value Point Systems, one of the leading Digital Systems & Services Integrator company in South Asia.” Source: RevenueBase Database · checked Sep 6, 2026
25	NTG Clarity	Indirect evidence	Markham, ON, CanadaHQ checked Sep 6, 2026	501-1,000	876 contacts →
	Indirect evidence “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Source: RevenueBase Database · checked Sep 6, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecommunications systems integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names telecommunications systems integrators.
Partial evidence: Its own public description names part of telecommunications systems integrators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecommunications systems integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 17,374 telecommunications systems integrators worldwide

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Telecommunications systems integrators worldwide at a glance

As of Sep 6, 2026

26.9%Verified-email coverage

14.2%Mobile-number coverage

19.0Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

6,955

11-50

7,135

51-200

2,381

201-500

525

501-1,000

168

1,001-5,000

105

5,001-10,000

10001+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecommunications systems integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: 56 countries, largest first: the United States, Brazil, the United Kingdom, Italy, India, France, Mexico, Canada, Germany, Spain and 46 more. Country and city lists for telecommunications systems integrators are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecommunications systems integrators”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecommunications systems integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among telecommunications systems integrators, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 88,893 across the full list. 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 between September 6, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Telecommunications systems integrators by location

106 lists · largest first

Every Telecommunications 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecommunications systems integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many telecommunications systems integrators are there worldwide?

RevenueBase identified 17,374 telecommunications systems integrators worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Convergint, headquartered in Hoffman Estates, tops this list with the largest team on record.

Which country has the most telecommunications systems integrators?

The United States leads with 5,129 companies, followed by Brazil (1,073) and the United Kingdom (923). Every telecommunications systems integrators list by country and city is linked on this page.

Which city has the most telecommunications systems integrators?

Sao Paulo leads with 262 headquartered companies, followed by Dubai (199) and London (143).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 88,893 verified decision-maker contacts tracked across these 17,374 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 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 Smart Search, 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.