Company lists · Data refreshed September 2026

Top 25 Electrical contractors for telecommunications worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 38,911 companies tracked

RevenueBase identified 38,911 electrical contractors for telecommunications worldwide as of September 2026 and tracks 484,257 professional contacts across them, including 119,720 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers electrical contractors for telecommunications 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 16, 2026. Country and city lists for electrical contractors for telecommunications 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 16, 2026 86% judged on-target in blind review

38,911Companies

484,257Contacts tracked

119,720Verified emails

0Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrical contractors for telecommunications worldwide

Ranked by team size

Top 25 of 38,911 electrical contractors for telecommunications worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to electrical contractors for 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	Partial evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	10001+	4,437 contacts →
	Partial 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	Panduit	Partial evidence	Tinley Park, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,863 contacts →
	Partial evidence “Panduit, a global leader in electrical and network infrastructure solutions, thrives on ingenuity and enterprise.” Source: RevenueBase Database · checked Sep 16, 2026
5	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
6	Pearce Services	Indirect evidence	Paso Robles, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,620 contacts →
	Indirect evidence “PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…” Source: RevenueBase Database · checked Sep 16, 2026
7	IES Holdings	Partial evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	5,001-10,000	2,567 contacts →
	Partial 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
8	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
9	Engelmig Energia	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 16, 2026	5,001-10,000	1,818 contacts →
	Indirect evidence “A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.” 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	Araujo Abreu Engenharia	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 16, 2026	1,001-5,000	1,788 contacts →
	Indirect evidence “A Araujo Abreu foi fundada em 1922.” 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	Yates Construction	Indirect evidence	Philadelphia, MS, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,713 contacts →
	Indirect evidence “Yates Construction is part of The Yates Companies, Inc.” 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	Kemp & Lauritzen A S	Indirect evidence	Albertslund, DenmarkHQ checked Sep 16, 2026	1,001-5,000	1,628 contacts →
	Indirect evidence “Kemp & Lauritzen arbejder med tekniske installationer med stor spændvidde og høj grad af specialisering.” Source: RevenueBase Database · checked Sep 16, 2026
16	Helix Electric	Strong evidence	San Diego, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,560 contacts →
	Strong 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	Kirby Group Engineering	Strong evidence	Limerick, IrelandHQ checked Sep 16, 2026	1,001-5,000	1,486 contacts →
	Strong evidence “Founded in 1964, Kirby is a leading Mechanical and Electrical engineering contractor with operations in Ireland, the UK, mainland Europe and South Africa.” Source: RevenueBase Database · checked Sep 16, 2026
19	Miller Electric Company	Partial evidence	Jacksonville, FL, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,388 contacts →
	Partial evidence “What started as an electrical lamp and appliance store in 1928 has grown into one of the largest companies in the industry with over employees.” Source: RevenueBase Database · checked Sep 16, 2026
20	Comfort Systems USA	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	10001+	1,330 contacts →
	Indirect evidence “Comfort Systems USA \| Quality People.” Source: RevenueBase Database · checked Sep 16, 2026
21	J Brand LTD	Partial evidence	London, United KingdomHQ checked Sep 16, 2026	n/a	1,245 contacts →
	Partial evidence “Originally set up in 1933 by Joseph Brand as an electrical contracting and repair business in Margaret Street W1, the company today still operates today with the same guiding…” Source: RevenueBase Database · checked Sep 16, 2026
22	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
23	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
24	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
25	Bergelectric	Partial evidence	Carlsbad, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,182 contacts →
	Partial 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

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: electrical contractors for 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 electrical contractors for telecommunications.
Partial evidence: Its own public description names part of electrical contractors for telecommunications, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name electrical contractors for 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 38,911 electrical contractors for telecommunications worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 119,720 reachable decision-makers.

Free signup · no credit card

View the full list →

Electrical contractors for telecommunications worldwide at a glance

As of Sep 16, 2026

24.7%Verified-email coverage

12.4Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

17,672

11-50

14,002

51-200

4,974

201-500

1,086

501-1,000

325

1,001-5,000

241

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 electrical contractors for 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: 47 countries, largest first: the United States, the United Kingdom, Australia, Brazil, Italy, Canada, France, Germany, India, Spain and 37 more. Country and city lists for electrical contractors for telecommunications are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “electrical contractors for 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 electrical contractors for 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 electrical contractors for 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, 119,720 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 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.

Electrical contractors for telecommunications by location

128 lists · largest first

Every Electrical contractors for telecommunications 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 electrical contractors for 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 electrical contractors for telecommunications are there worldwide?

RevenueBase identified 38,911 electrical contractors for telecommunications 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?

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

Which country has the most electrical contractors for telecommunications?

The United States leads with 11,474 companies, followed by the United Kingdom (4,490) and Australia (2,254). Every electrical contractors for telecommunications list by country and city is linked on this page.

Which city has the most electrical contractors for telecommunications?

Sao Paulo leads with 304 headquartered companies, followed by London (299) and Houston (197).

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 119,720 verified decision-maker contacts tracked across these 38,911 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 38,911 electrical contractors for telecommunications worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.