Company lists · Data refreshed September 2026

Top 25 Telecommunications enclosure manufacturers worldwide

RevenueBase identified 639 telecommunications enclosure manufacturers worldwide as of September 2026 and tracks 13,910 professional contacts across them, including 3,231 with verified work emails and 0 with mobile numbers. The United States is the largest market and Bangalore the largest hub.

This list covers telecommunications enclosure manufacturers 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 telecommunications enclosure manufacturers 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
639Companies
13,910Contacts tracked
3,231Verified emails
0Mobile numbers
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The 25 largest telecommunications enclosure manufacturers worldwide

Ranked by team size
Top 25 of 639 telecommunications enclosure manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications enclosure manufacturers: 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 evidenceKnoxville, TN, United StatesHQ checked Sep 19, 20261,001-5,000983 contacts →

Partial evidence

“About Orbia Connectivity Solutions (Dura-Line) Orbia’s Connectivity Solutions business, Dura-Line, is a leading manufacturer and distributor of high-density polyethylene (HDPE)…”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceSchaumburg, IL, United StatesHQ checked Sep 19, 2026501-1,000918 contacts →

Indirect evidence

“Rittal LLC is the U.S.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceBengaluru, IndiaHQ checked Sep 19, 202610001+679 contacts →

Indirect evidence

“Rittal India is the subsidiary of Rittal GmbH & Co.”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceSimi Valley, CA, United StatesHQ checked Sep 19, 20261,001-5,000430 contacts →

Partial evidence

“Chatsworth Products (CPI) is a 100% employee-owned, global manufacturer of ICT infrastructure solutions that power and protect critical technology investments-from data centers…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceFreguesia Do Ó, BrazilHQ checked Sep 19, 2026201-500405 contacts →

Indirect evidence

“Fundada em 1975, a ICATEL Telecomunicações Ltda é uma empresa especializada em Telefonia de Uso Público e de Soluções completas para Telecomunicações : Atuando nos segmentos de…”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceSchaumburg, IL, United StatesHQ checked Sep 19, 2026501-1,000301 contacts →

Indirect evidence

“Charles Industries, LLC is a diversified manufacturing and technology company serving Wireline, Wireless, Broadband Cable/MSO, Utilities (Energy), and Industrial markets.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceGuelph, ON, CanadaHQ checked Sep 19, 2026501-1,000286 contacts →

Indirect evidence

“Hammond Manufacturing first began in a backyard workshop crafting metal parts.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceAllenton, WI, United StatesHQ checked Sep 19, 2026501-1,000273 contacts →

Partial evidence

“At Maysteel, we support supply chain and procurement leaders with scalable fabrication solutions for data centers and critical infrastructure, including custom enclosures, server…”

Source: RevenueBase Database · checked Sep 19, 2026
9Strong evidenceCleveland, OH, United StatesHQ checked Sep 19, 202651-200240 contacts →

Strong evidence

“ADALET, a Marmon IEI / Berkshire Hathaway company, is a leading manufacturer of explosionproof enclosures and systems, custom aluminum castings, industrial sheet metal and…”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceKiel, WI, GermanyHQ checked Sep 19, 202651-200231 contacts →

Indirect evidence

“If you need a partner to help you meet demand while maintaining the quality and lead times your customers expect, we’d love to hear from you.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceStraubenhardt, GermanyHQ checked Sep 19, 20265,001-10,000215 contacts →

Indirect evidence

“At nVent, we believe that safer systems ensure a more secure world.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceRockwall, TX, United StatesHQ checked Sep 19, 2026501-1,000210 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceBryan, OH, United StatesHQ checked Sep 19, 2026201-500191 contacts →

Partial evidence

“Allied Moulded Products, Inc.(Allied Moulded) is the Contractor’s Choice of nonmetallic electrical boxes and enclosures in today's residential, commercial and industrial markets.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceOrlando, FL, United StatesHQ checked Sep 19, 2026201-500172 contacts →

Indirect evidence

“We are a leading provider of IT and telecom infrastructure technologies.”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceHeathwood, AustraliaHQ checked Sep 19, 2026201-500158 contacts →

Partial evidence

“Since 1955, B&R Enclosures has partnered with Australian industries and communities to deliver reliable, purpose-built enclosures, cabinets, and integrated electrical solutions…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceKingsport, TN, United StatesHQ checked Sep 19, 202651-200152 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
17Strong evidenceSaginaw, MI, United StatesHQ checked Sep 19, 2026201-500152 contacts →

Strong evidence

“We are an electrical enclosure manufacturer founded in 1963.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 19, 202651-200129 contacts →

Indirect evidence

“Subzero ensures a superior customer experience by applying unique product designs, quick turnaround engineering, and in-house installation teams.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceGijón, SpainHQ checked Sep 19, 2026201-500123 contacts →

Indirect evidence

“Belonging to the steel group Celsa Group™, MRT is the result of the merger between the two oldest and most prestigious wire mills in Spain.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceGlos, FranceHQ checked Sep 19, 2026201-500110 contacts →

Indirect evidence

“ATOS est le fabricant et spécialiste français de l'habillage électronique 19": armoires, baies, coffrets, racks, systèmes, équipements de tôlerie fine.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceZuera, SpainHQ checked Sep 19, 2026201-500110 contacts →

Indirect evidence

“Hemos conseguido, en apenas 30 años, posicionarnos como uno de los mejores fabricantes de envolventes eléctricas.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceMontilliers, FranceHQ checked Sep 19, 2026201-500105 contacts →

Indirect evidence

“Grolleau construit vos idées et imagine les réseaux de demain Présent dans de multiples secteurs d’activités : télécommunication, broadcast, ferroviaire, naval, bornes de recharge…”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceElk Point, SD, United StatesHQ checked Sep 19, 2026501-1,000100 contacts →

Indirect evidence

“Thermo Bond Buildings, located in the heart of the Midwest, is in its fourth decade of delivering advanced infrastructure solutions for the world’s most demanding industries.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceMentor, OH, United StatesHQ checked Sep 19, 202651-20097 contacts →

Indirect evidence

“Founded in 1996, MUM Industries, Inc.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceGurgaon, IndiaHQ checked Sep 19, 202651-20091 contacts →

Indirect evidence

“MAXBROS VENTURES INDIA LIMITED is an electrical/electronic manufacturing company based out of Haryana, India.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 639 telecommunications enclosure manufacturers worldwide

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Telecommunications enclosure manufacturers worldwide at a glance

As of Sep 19, 2026
23.2%Verified-email coverage
21.8Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Bangalore
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
161
11-50
229
51-200
178
201-500
43
501-1,000
12
1,001-5,000
4
5,001-10,000
3
10001+
6

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 enclosure manufacturers, 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
10 countries, largest first: the United States, India, the United Kingdom, Brazil, Germany, France, Canada, Spain, Italy, Australia. Country and city lists for telecommunications enclosure manufacturers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “telecommunications enclosure manufacturers”. 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 enclosure manufacturers), 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 enclosure manufacturers, 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, 3,231 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.

Telecommunications enclosure manufacturers by location

10 lists · largest first

Every Telecommunications enclosure manufacturers 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 telecommunications enclosure manufacturers, 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 enclosure manufacturers are there worldwide?

RevenueBase identified 639 telecommunications enclosure manufacturers 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?

Dura-Line, headquartered in Oo, tops this list with the largest team on record.

Which country has the most telecommunications enclosure manufacturers?

The United States leads with 197 companies, followed by India (108) and the United Kingdom (65). Every telecommunications enclosure manufacturers list by country and city is linked on this page.

Which city has the most telecommunications enclosure manufacturers?

Bangalore leads with 13 headquartered companies, followed by Delhi (13) and Sao Paulo (9).

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 3,231 verified decision-maker contacts tracked across these 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.