Company lists · Data refreshed September 2026

Top 25 Telecom maintenance service providers worldwide

RevenueBase identified 2,639 telecom maintenance service providers worldwide as of September 2026 and tracks 96,678 professional contacts across them, including 12,091 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 telecom maintenance service providers 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 19, 2026. Country and city lists for telecom maintenance service providers 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 19, 2026 86% judged on-target in blind review
2,639Companies
96,678Contacts tracked
12,091Verified emails
0Mobile numbers
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The 25 largest telecom maintenance service providers worldwide

Ranked by team size
Top 25 of 2,639 telecom maintenance service providers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom maintenance service providers: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceRio De Janeiro, BrazilHQ checked Sep 19, 202610001+8,011 contacts →

Partial 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 19, 2026
2Partial evidenceParis, FranceHQ checked Sep 19, 202610001+3,901 contacts →

Partial 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 19, 2026
3Partial evidenceNavi Mumbai, IndiaHQ checked Sep 19, 20261,001-5,0002,780 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidencePaso Robles, CA, United StatesHQ checked Sep 19, 20261,001-5,0002,620 contacts →

Partial 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 19, 2026
5Indirect evidenceMclean, VA, United StatesHQ checked Sep 19, 20265,001-10,0002,193 contacts →

Indirect evidence

“In Feb.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceBrasilia, BrazilHQ checked Sep 19, 20265,001-10,0001,810 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 19, 2026
7Partial evidenceParis, FranceHQ checked Sep 19, 20261,001-5,0001,726 contacts →

Partial 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 19, 2026
8Partial evidenceMontreal, QC, CanadaHQ checked Sep 19, 20261,001-5,0001,573 contacts →

Partial 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 19, 2026
9Indirect evidenceLenexa, KS, United StatesHQ checked Sep 19, 20261,001-5,0001,237 contacts →

Indirect evidence

“Wachter is on the cutting-edge of technology and infrastructure installation and has been since 1930.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceWembley, United KingdomHQ checked Sep 19, 20261,001-5,0001,053 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 19, 2026
11Indirect evidenceFrisco, TX, United StatesHQ checked Sep 19, 20261,001-5,000993 contacts →

Indirect evidence

“Goodman Solutions is a leading field services company with network and electronics technicians, serving customers across the nation.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceFaribault, MN, United StatesHQ checked Sep 19, 20261,001-5,000974 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 19, 2026
13Indirect evidenceThaon-les-vosges, FranceHQ checked Sep 19, 20261,001-5,000926 contacts →

Indirect evidence

“Forte de ses 1 200 collaborateurs et de son bureau d’études intégré, ERT Technologies, est une filiale de SFR Group et représente les activités d’Altice Technical Services en…”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidenceCórdoba, SpainHQ checked Sep 19, 20261,001-5,000701 contacts →

Partial evidence

“OFG is an international company with more than 20 years of experience in the telecommunications sector.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceSao Paulo, United StatesHQ checked Sep 19, 20261,001-5,000693 contacts →

Indirect evidence

“Iniciamos nossas atividades em contando com o apoio e participação de cerca de 700 colaboradores entre operadores, administrativos, técnicos, engenheiros, gerentes e diretores…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceNoida, IndiaHQ checked Sep 19, 2026501-1,000685 contacts →

Indirect evidence

“Innovation and Reliability are the two corner stones through which RV Solutions ensures end to end services in the Technological Lifecycle Service Industry.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceBangalore, IndiaHQ checked Sep 19, 2026501-1,000669 contacts →

Partial evidence

“Teleindia began its India operations in 2006, in the telecom vertical as a ‘Service Provider’ business unit with proven expertise, quality standards and efficient delivery…”

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceBogotá D.c., ColombiaHQ checked Sep 19, 20261,001-5,000650 contacts →

Partial evidence

“Somos una organización especializada en la integración de soluciones efectivas que facilitan a las empresas del sector telecomunicaciones e infraestructura el logro de sus metas y…”

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceKennesaw, GA, United StatesHQ checked Sep 19, 20261,001-5,000637 contacts →

Partial evidence

“Circet USA is a leading builder of network infrastructure with services tailored to your specific needs, including the design, engineering, construction, and maintenance of data…”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceKota, IndiaHQ checked Sep 19, 2026501-1,000536 contacts →

Partial evidence

“As an established player in telecom services industry and a long standing partner to a wide range of operators and vendors, NR fully understands the complete process of Planning…”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceNoida, IndiaHQ checked Sep 19, 2026501-1,000496 contacts →

Partial evidence

Telecom Network Solutions is providing services in Project Management & Planning, RF & MW surveys, Network implementation and Telecom Training.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceJaboticabal, BrazilHQ checked Sep 19, 20261,001-5,000478 contacts →

Indirect evidence

“B.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceSevilla, SpainHQ checked Sep 19, 20261,001-5,000455 contacts →

Partial evidence

“Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceKolkata, IndiaHQ checked Sep 19, 20265,001-10,000439 contacts →

Indirect evidence

“Narula Infrastructure Private Limited (NIPL) is an ISO 9001:2015, 14001:2015 and OHSAS 18001:2007 certified company.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceRedmond, WA, United StatesHQ checked Sep 19, 2026501-1,000426 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 2,639 telecom maintenance service providers worldwide

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Telecom maintenance service providers worldwide at a glance

As of Sep 19, 2026
12.5%Verified-email coverage
36.6Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Sao Paulo
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
987
11-50
963
51-200
426
201-500
128
501-1,000
57
1,001-5,000
44
5,001-10,000
6
10001+
11

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 telecom maintenance service providers, 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
21 countries, largest first: the United States, Brazil, Spain, the United Kingdom, France, India, Italy, Germany, Australia, Canada and 11 more. Country and city lists for telecom maintenance service providers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “telecom maintenance service providers”. 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 telecom maintenance service providers), 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 telecom maintenance service providers, 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, 12,091 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 19, 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.

Telecom maintenance service providers by location

21 lists · largest first

Every Telecom maintenance service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 telecom maintenance service providers, 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 telecom maintenance service providers are there worldwide?

RevenueBase identified 2,639 telecom maintenance service providers 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 telecom maintenance service providers?

The United States leads with 464 companies, followed by Brazil (312) and Spain (228). Every telecom maintenance service providers list by country and city is linked on this page.

Which city has the most telecom maintenance service providers?

Sao Paulo leads with 65 headquartered companies, followed by Madrid (41) and Paris (28).

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 12,091 verified decision-maker contacts tracked across these 2,639 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 19, 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.