Company lists · Data refreshed September 2026

General contractors telecommunications: the worldwide list

Name: General contractors telecommunications worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 17,597 companies across 37 countries

RevenueBase identified 17,597 general contractors telecommunications across the 37 countries with a published list, as of September 2026, and tracks 336,854 professional contacts across them, including 87,981 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This is the worldwide list of general contractors telecommunications: the 37 country lists RevenueBase publishes for the category, summed and ranked as one. The company count is that sum, not a census of every company on earth; a country with no published list is not counted. 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 16, 2026.

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 16, 2026 86% judged on-target in blind review

17,597Companies

336,854Contacts tracked

87,981Verified emails

0Mobile numbers

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The 25 largest general contractors telecommunications across the 37 countries with a published list

Ranked by team size

Top 25 of 17,597 general contractors telecommunications across the 37 countries with a published list, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to general contractors telecommunications: 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	Serede	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 16, 2026	10001+	8,011 contacts →
	Indirect evidence “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Source: RevenueBase Database · checked Sep 16, 2026
2	Rosendin	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	10001+	4,437 contacts →
	Indirect evidence “Since 1919, Rosendin has created a reputation for building quality electrical and communications installations, building value for clients, and building people.” Source: RevenueBase Database · checked Sep 16, 2026
3	Circet	Indirect evidence	Paris, FranceHQ checked Sep 16, 2026	10001+	3,901 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
4	Mastec Communications Group	Indirect evidence	Coral Gables, FL, United StatesHQ checked Sep 16, 2026	5,001-10,000	3,207 contacts →
	Indirect evidence “MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.” Source: RevenueBase Database · checked Sep 16, 2026
5	IES Holdings	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	5,001-10,000	2,567 contacts →
	Indirect evidence “IES Holdings, Inc.(formerly known as Integrated Electrical Services, Inc.) provides electrical contracting services to commercial, industrial, and residential customers in the…” Source: RevenueBase Database · checked Sep 16, 2026
6	Procisa DO Brasil	Indirect evidence	São Paulo, BrazilHQ checked Sep 16, 2026	1,001-5,000	2,538 contacts →
	Indirect evidence “Prazer, somos a Procisa do Brasil!” Source: RevenueBase Database · checked Sep 16, 2026
7	Bird Construction	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 16, 2026	5,001-10,000	2,385 contacts →
	Indirect evidence “Bird is a Canadian construction and maintenance company providing a comprehensive scope offering and a diversified portfolio of services to industrial, infrastructure and…” Source: RevenueBase Database · checked Sep 16, 2026
8	Sogetrel	Indirect evidence	Issy Les Moulineaux, FranceHQ checked Sep 16, 2026	1,001-5,000	2,285 contacts →
	Indirect evidence “En première ligne de la transformation numérique des entreprises et des territoires, le Groupe Sogetrel est spécialisé dans les services aux infrastructures numériques et…” Source: RevenueBase Database · checked Sep 16, 2026
9	Henkels & Mccoy, INC	Partial evidence	Blue Bell, PA, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,813 contacts →
	Partial evidence “Henkels & McCoy, Inc.(H&M) is a leading utility construction firm providing critical infrastructure for the power, oil & gas pipeline, telecommunications, and gas distribution…” Source: RevenueBase Database · checked Sep 16, 2026
10	Grupo RCS	Indirect evidence	Brasilia, BrazilHQ checked Sep 16, 2026	5,001-10,000	1,810 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
11	IES Communications	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 16, 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 16, 2026
12	Quanta Services, INC	Partial evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	10001+	1,783 contacts →
	Partial evidence “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Source: RevenueBase Database · checked Sep 16, 2026
13	Cupertino Electric, INC	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,726 contacts →
	Indirect evidence “Since 1954, Cupertino Electric, Inc.(CEI) has been powered by people who’ve built a reputation for delivering high-profile, complex projects.” Source: RevenueBase Database · checked Sep 16, 2026
14	Congruex	Indirect evidence	Boulder, CO, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,676 contacts →
	Indirect evidence “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Source: RevenueBase Database · checked Sep 16, 2026
15	Telecon	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 16, 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 16, 2026
16	Helix Electric	Partial evidence	San Diego, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,560 contacts →
	Partial evidence “Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.” Source: RevenueBase Database · checked Sep 16, 2026
17	Pt. Mora Telematika Indonesia TBK	Partial evidence	Jakarta Pusat, IndonesiaHQ checked Sep 16, 2026	1,001-5,000	1,510 contacts →
	Partial evidence “Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.” Source: RevenueBase Database · checked Sep 16, 2026
18	Hotwire Communications LTD	Partial evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,420 contacts →
	Partial evidence “Hotwire Communications is a national leader in fiber optic technology, delivering advanced, customized telecommunications solutions to residential, commercial, senior-living…” Source: RevenueBase Database · checked Sep 16, 2026
19	Wachter, INC	Indirect evidence	Lenexa, KS, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,237 contacts →
	Indirect evidence “Wachter is on the cutting-edge of technology and infrastructure installation and has been since 1930.” Source: RevenueBase Database · checked Sep 16, 2026
20	Genusplus Group	Indirect evidence	Belmont, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,234 contacts →
	Indirect evidence “GenusPlus Group (ASX:GNP) is a national force in power and communications infrastructure.” Source: RevenueBase Database · checked Sep 16, 2026
21	ZENER	Indirect evidence	Madrid, SpainHQ checked Sep 16, 2026	5,001-10,000	1,207 contacts →
	Indirect evidence “En Zener crecemos acelerando el crecimiento de nuestros clientes.” Source: RevenueBase Database · checked Sep 16, 2026
22	Bergelectric	Indirect evidence	Carlsbad, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,182 contacts →
	Indirect evidence “Since their inception in 1946, Bergelectric has made its mark on the construction industry by providing the highest quality electrical and technology contracting.” Source: RevenueBase Database · checked Sep 16, 2026
23	PT Tatamulia Nusantara Indah	Indirect evidence	Jakarta, IndonesiaHQ checked Sep 16, 2026	1,001-5,000	1,152 contacts →
	Indirect evidence “Established in 1984, PT.” Source: RevenueBase Database · checked Sep 16, 2026
24	MJ Quinn	Indirect evidence	Prescot, United KingdomHQ checked Sep 16, 2026	1,001-5,000	1,126 contacts →
	Indirect evidence “At MJ Quinn we believe in creating great connections, with our customers, our people and our world.” Source: RevenueBase Database · checked Sep 16, 2026
25	Valard Construction	Partial evidence	Edmonton, AB, CanadaHQ checked Sep 16, 2026	1,001-5,000	1,112 contacts →
	Partial evidence “Headquartered in Edmonton, Alberta - Valard is Canada’s premier utility contractor, with full-service capabilities for transmission, distribution, substations, foundations…” Source: RevenueBase Database · checked Sep 16, 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: general contractors telecommunications. 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 general contractors telecommunications.
Partial evidence: Its own public description names part of general contractors telecommunications, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name general contractors telecommunications. 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 17,597 general contractors telecommunications across the 37 countries with a published list

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General contractors telecommunications worldwide at a glance

As of Sep 16, 2026

26.1%Verified-email coverage

19.1Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Sao Paulo

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

6,371

11-50

6,975

51-200

2,973

201-500

688

501-1,000

235

1,001-5,000

185

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 general contractors telecommunications, 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: This worldwide list is the sum of the 37 country lists RevenueBase publishes for general contractors telecommunications, largest first: the United States, the United Kingdom, Canada, Brazil, Australia, Germany, France, Italy, Spain, India and 27 more. Its company and contact totals add up those lists, so they understate the true worldwide figures: a country with no published list is not counted. The ranked table is exact across the countries covered, the largest companies of every country list ranked together with duplicates removed.
What qualifies: Companies worldwide whose own description of what they do matches “general contractors telecommunications”. 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 general contractors telecommunications), 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 general contractors telecommunications, 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, 87,981 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: The country lists behind this page were pulled from the company graph on September 16, 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.

General contractors telecommunications by location

74 lists · largest first

Every General contractors telecommunications list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date; the worldwide figures above are the sum of the 37 country lists.

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 general contractors telecommunications, 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 general contractors telecommunications are there worldwide?

RevenueBase identified 17,597 general contractors telecommunications across the 37 countries with a published list, as of September 2026, matched on each company's own description of what it does rather than its industry code. The figure is the sum of those country lists, not a census of every company worldwide.

What is the largest company on this list?

Serede, headquartered in Rio De Janeiro, tops this list with the largest team on record.

Which country has the most general contractors telecommunications?

The United States leads with 7,513 companies, followed by the United Kingdom (1,254) and Canada (969). Every country with a published general contractors telecommunications list is linked on this page.

Which city has the most general contractors telecommunications?

Sao Paulo leads with 177 headquartered companies, followed by Houston (143) and London (105).

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 87,981 verified decision-maker contacts tracked across these 17,597 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. The country lists behind this page were pulled from the company graph on September 16, 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.