Company lists · Data refreshed September 2026

Top 25 Telecom hardware manufacturers worldwide

Name: Telecom hardware manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 619 companies tracked

RevenueBase identified 619 telecom hardware manufacturers worldwide as of September 2026 and tracks 37,721 professional contacts across them, including 9,695 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 hardware 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 telecom hardware 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

619Companies

37,721Contacts tracked

9,695Verified emails

0Mobile numbers

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The 25 largest telecom hardware manufacturers worldwide

Ranked by team size

Top 25 of 619 telecom hardware manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom hardware 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	CIENA	Indirect evidence	Hanover, MD, United StatesHQ checked Sep 19, 2026	5,001-10,000	9,426 contacts →
	Indirect evidence “Ciena (NYSE:CIEN) is the global leader in high-speed connectivity.” Source: RevenueBase Database · checked Sep 19, 2026
2	Tejas Networks	Indirect evidence	Bangalore, IndiaHQ checked Sep 19, 2026	1,001-5,000	3,282 contacts →
	Indirect evidence “Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D.” Source: RevenueBase Database · checked Sep 19, 2026
3	Hfcl Limited	Indirect evidence	New Delhi, IndiaHQ checked Sep 19, 2026	1,001-5,000	3,233 contacts →
	Indirect evidence “HFCL is a leading technology company specialising in creating digital networks for telcos, enterprises and governments.” Source: RevenueBase Database · checked Sep 19, 2026
4	Ribbon Communications	Indirect evidence	Plano, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,387 contacts →
	Indirect evidence “Ribbon Communications (Nasdaq: RBBN) is a global provider of voice communications software, IP routing, and optical networking to mobile and wireline service providers…” Source: RevenueBase Database · checked Sep 19, 2026
5	Infinera	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,959 contacts →
	Indirect evidence “Infinera is now part of Nokia.” Source: RevenueBase Database · checked Sep 19, 2026
6	Inventec Appliances Corp	Partial evidence	TaiwanHQ checked Sep 19, 2026	10001+	1,281 contacts →
	Partial evidence “Inventec Appliances Corporation engages in the manufacture and sale of wire and wireless communication, and digital accessory products in Taiwan and internationally.” Source: RevenueBase Database · checked Sep 19, 2026
7	fs.com	Partial evidence	New Castle, DE, United StatesHQ checked Sep 19, 2026	1,001-5,000	893 contacts →
	Partial evidence “FS is a professional provider of communication and high-speed network system solutions to networking, data center and telecom customers, with the vision to redefine service and…” Source: RevenueBase Database · checked Sep 19, 2026
8	Accton	Partial evidence	Hsinchu, TaiwanHQ checked Sep 19, 2026	5,001-10,000	800 contacts →
	Partial evidence “Accton Technology Corporation is a leading technology and service company providing design, development, and manufacturing services, as well as optimized AI/ML hardware and open…” Source: RevenueBase Database · checked Sep 19, 2026
9	NR Switch -N- Radio Services Pvt. LTD	Partial evidence	Kota, IndiaHQ checked Sep 19, 2026	501-1,000	536 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
10	Icatel	Partial evidence	Freguesia Do Ó, BrazilHQ checked Sep 19, 2026	201-500	405 contacts →
	Partial 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
11	PCT International, INC	Partial evidence	Tempe, AZ, United StatesHQ checked Sep 19, 2026	201-500	344 contacts →
	Partial evidence “Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.” Source: RevenueBase Database · checked Sep 19, 2026
12	Vantiva Broadband & Video	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	1,001-5,000	314 contacts →
	Indirect evidence “VANTIVA Broadband & Video, a division of VANTIVA, formerly known as Technicolor Connected Home is a global leader in designing, developing, and supplying innovative and…” Source: RevenueBase Database · checked Sep 19, 2026
13	Alpha Networks Inc. 明泰科技	Indirect evidence	Hsinchu, TaiwanHQ checked Sep 19, 2026	1,001-5,000	259 contacts →
	Indirect evidence “A Networking DMS Leader with Global Experience Founded in September 2003, as a spin-off from the D-Link Corporation, Alpha Networks Inc.” Source: RevenueBase Database · checked Sep 19, 2026
14	MRV Communications	Indirect evidence	Chatsworth, CA, United StatesHQ checked Sep 19, 2026	201-500	259 contacts →
	Indirect evidence “MRV is now part of ADVA Optical Networking MRV Communications enables service providers, data center operators and enterprises to make their networks smarter, faster and easier to…” Source: RevenueBase Database · checked Sep 19, 2026
15	Coral Telecom LTD	Partial evidence	Noida, IndiaHQ checked Sep 19, 2026	201-500	234 contacts →
	Partial evidence “Coral Telecom Ltd exports its products to 14 countries across the globe with a strong presence in UAE, and the entire African continent.” Source: RevenueBase Database · checked Sep 19, 2026
16	Perfectvision	Indirect evidence	Little Rock, AR, United StatesHQ checked Sep 19, 2026	201-500	212 contacts →
	Indirect evidence “For 45 years, PerfectVision has connected people and businesses worldwide with voice, video, and data technologies.” Source: RevenueBase Database · checked Sep 19, 2026
17	Mitrastar Technology	Indirect evidence	Hsinchu, TaiwanHQ checked Sep 19, 2026	1,001-5,000	208 contacts →
	Indirect evidence “Mission MitraStar is a world-class Design, Manufacturing and Service (DMS) company.” Source: RevenueBase Database · checked Sep 19, 2026
18	Oplink Communications, LLC	Indirect evidence	Fremont, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	196 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
19	Cybertan	Indirect evidence	Hsinchu, TaiwanHQ checked Sep 19, 2026	1,001-5,000	183 contacts →
	Indirect evidence “CyberTAN Technology, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
20	Amerinode	Partial evidence	Jundiaí, BrazilHQ checked Sep 19, 2026	51-200	174 contacts →
	Partial evidence “Amerinode is a multinational company based in São Paulo - Brazil, with more than a decade of experience in the telecommunications market.” Source: RevenueBase Database · checked Sep 19, 2026
21	Multilink INC	Partial evidence	Elyria, OH, United StatesHQ checked Sep 19, 2026	201-500	154 contacts →
	Partial evidence “Multilink is one of the world's leading engineers and product developers of telecommunications network components, servicing the traditional CATV MSO's (Cable Television Multiple…” Source: RevenueBase Database · checked Sep 19, 2026
22	ANI Networks	Partial evidence	Las Vegas, United StatesHQ checked Sep 19, 2026	201-500	145 contacts →
	Partial evidence “ANI Networks is a leader in the wholesale, carrier-class telecommunications industry.” Source: RevenueBase Database · checked Sep 19, 2026
23	S. Siedle & Söhne Telefon- UND Telegrafenwerke OHG	Indirect evidence	Furtwangen Im Schwarzwald, GermanyHQ checked Sep 19, 2026	501-1,000	119 contacts →
	Indirect evidence “S.” Source: RevenueBase Database · checked Sep 19, 2026
24	Comtrend	Strong evidence	Taipei County 24159, TaiwanHQ checked Sep 19, 2026	201-500	111 contacts →
	Strong evidence “Comtrend designs, develops and manufactures market leading telecommunication and networking products for residential users and businesses worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
25	Further Enterprise Solutions	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 19, 2026	1,001-5,000	111 contacts →
	Indirect 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…” Source: RevenueBase Database · checked Sep 19, 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: telecom hardware manufacturers. 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 telecom hardware manufacturers.
Partial evidence: Its own public description names part of telecom hardware manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom hardware manufacturers. 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 619 telecom hardware manufacturers worldwide

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Telecom hardware manufacturers worldwide at a glance

As of Sep 19, 2026

25.7%Verified-email coverage

60.9Average contacts per company

11-50Median size (employees)

3.4%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

185

11-50

232

51-200

119

201-500

501-1,000

1,001-5,000

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 telecom hardware 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, Brazil, Italy, the United Kingdom, France, Canada, Spain, Taiwan, Germany. Country and city lists for telecom hardware manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecom hardware 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 telecom hardware 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 telecom hardware 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, 9,695 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 hardware manufacturers by location

10 lists · largest first

Every Telecom hardware 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 telecom hardware 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 telecom hardware manufacturers are there worldwide?

RevenueBase identified 619 telecom hardware 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?

CIENA, headquartered in Hanover, tops this list with the largest team on record.

Which country has the most telecom hardware manufacturers?

The United States leads with 182 companies, followed by India (109) and Brazil (74). Every telecom hardware manufacturers list by country and city is linked on this page.

Which city has the most telecom hardware manufacturers?

Sao Paulo leads with 21 headquartered companies, followed by Noida (14) and Bangalore (10).

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 9,695 verified decision-maker contacts tracked across these 619 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.