Company lists · Data refreshed September 2026

Top 25 Telecommunications component suppliers worldwide

Name: Telecommunications component suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,996 companies tracked

RevenueBase identified 1,996 telecommunications component suppliers worldwide as of September 2026 and tracks 50,543 professional contacts across them, including 10,541 with verified work emails and 0 with mobile numbers. The United States is the largest market and Shenzhen the largest hub.

This list covers telecommunications component suppliers 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 component suppliers 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

1,996Companies

50,543Contacts tracked

10,541Verified emails

0Mobile numbers

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The 25 largest telecommunications component suppliers worldwide

Ranked by team size

Top 25 of 1,996 telecommunications component suppliers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications component suppliers: 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	Fiberhome	Indirect evidence	Wuhan, ChinaHQ checked Sep 19, 2026	10001+	4,327 contacts →
	Indirect evidence “FiberHome is an internationally renowned provider of ICT network products and solutions, Our mission is to maximize the potential of digital connections and benefit the society.” 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	Mouser Electronics	Partial evidence	Mansfield, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,505 contacts →
	Partial evidence “Mouser is a worldwide leading authorized distributor of semiconductors and electronic components from over 1,200 manufacturer brands, with local sales and service centers around…” 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	WT Microelectronics 文曄科技股公司	Indirect evidence	New Taipei City, TaiwanHQ checked Sep 19, 2026	1,001-5,000	1,220 contacts →
	Indirect evidence “Established in 1993, WT Microelectronics is a leading professional service provider focusing on the global semiconductor distribution industry.” Source: RevenueBase Database · checked Sep 19, 2026
7	BEL Fuse INC	Indirect evidence	West Orange, NJ, United StatesHQ checked Sep 19, 2026	1,001-5,000	709 contacts →
	Indirect evidence “Founded in 1949, Bel designs, manufactures and markets a broad array of products that Power, Protect and Connect electronic circuits.” Source: RevenueBase Database · checked Sep 19, 2026
8	Amphenol TCS	Indirect evidence	Nashua, NH, United StatesHQ checked Sep 19, 2026	1,001-5,000	638 contacts →
	Indirect evidence “Amphenol TCS (ATCS) is a division of Amphenol Corporation.” Source: RevenueBase Database · checked Sep 19, 2026
9	Airborn	Partial evidence	Georgetown, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	556 contacts →
	Partial evidence “AirBorn engineers and manufactures specialized connectors & electronic components for Original Equipment Manufacturers (OEMs).” Source: RevenueBase Database · checked Sep 19, 2026
10	PPC Broadband, Inc.	Partial evidence	E. Syracuse, NY, United StatesHQ checked Sep 19, 2026	501-1,000	418 contacts →
	Partial evidence “Belden’s key broadband solution brand, PPC is a proven industry leader in connectivity technology for the telecommunication industry, delivering the latest broadband and wireless…” Source: RevenueBase Database · checked Sep 19, 2026
11	AOI	Indirect evidence	Sugar Land, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	416 contacts →
	Indirect evidence “Applied Optoelectronics, Inc.\| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Source: RevenueBase Database · checked Sep 19, 2026
12	PCT International, INC	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 19, 2026	201-500	344 contacts →
	Indirect 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
13	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
14	California Eastern Laboratories CEL	Indirect evidence	Santa Clara, CA, United StatesHQ checked Sep 19, 2026	51-200	310 contacts →
	Indirect evidence “CEL provides world class wireless and optical products, with specialized support, to OEMs needing wireless communication.” Source: RevenueBase Database · checked Sep 19, 2026
15	Source Photonics	Indirect evidence	West Hills, CA, United StatesHQ checked Sep 19, 2026	501-1,000	285 contacts →
	Indirect evidence “Source Photonics is a leading global provider of innovative and reliable technology that enables communications and data connectivity, in next-generation mobile and fixed-line…” Source: RevenueBase Database · checked Sep 19, 2026
16	Rosenberger Asia Pacific	Partial evidence	Beijing, ChinaHQ checked Sep 19, 2026	5,001-10,000	281 contacts →
	Partial evidence “With more than 20 years of development in the Asia Pacific region, Rosenberger is now a leading manufacturer of new high-tech telecommunication products, interconnect solutions…” Source: RevenueBase Database · checked Sep 19, 2026
17	Optical Cable Corporation	Indirect evidence	Roanoke, VA, United StatesHQ checked Sep 19, 2026	201-500	261 contacts →
	Indirect evidence “When we first built our reputation as pioneers in fiber optic cable industry, OCC made a commitment to quality, performance, and service.” Source: RevenueBase Database · checked Sep 19, 2026
18	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
19	Coral Telecom LTD	Indirect evidence	Noida, IndiaHQ checked Sep 19, 2026	201-500	234 contacts →
	Indirect 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
20	Amphenol	Indirect evidence	Pune, IndiaHQ checked Sep 19, 2026	1,001-5,000	223 contacts →
	Indirect evidence “The Company designs, manufactures and markets electrical, electronic and fiber optic connectors, coaxial and flat-ribbon cable, and interconnect systems.” Source: RevenueBase Database · checked Sep 19, 2026
21	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
22	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
23	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
24	Amphenol Canada Corp	Indirect evidence	Markham, ON, CanadaHQ checked Sep 19, 2026	51-200	193 contacts →
	Indirect evidence “Amphenol is a global provider of interconnect solutions to the designers and manufacturers of electronic equipment worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
25	OZ Optics LTD	Partial evidence	Ottawa, ON, CanadaHQ checked Sep 19, 2026	201-500	191 contacts →
	Partial evidence “OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.” 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: telecommunications component suppliers. 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 telecommunications component suppliers.
Partial evidence: Its own public description names part of telecommunications component suppliers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecommunications component suppliers. 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 1,996 telecommunications component suppliers worldwide

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Telecommunications component suppliers worldwide at a glance

As of Sep 19, 2026

20.9%Verified-email coverage

25.3Average contacts per company

11-50Median size (employees)

7.8%Largest-city concentration · Shenzhen

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

590

11-50

728

51-200

415

201-500

129

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 telecommunications component suppliers, 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: 18 countries, largest first: the United States, China, India, Italy, Brazil, the United Kingdom, Germany, Spain, France, Taiwan and 8 more. Country and city lists for telecommunications component suppliers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecommunications component suppliers”. 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 component suppliers), 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 component suppliers, 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, 10,541 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 component suppliers by location

18 lists · largest first

Every Telecommunications component suppliers 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 component suppliers, 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 component suppliers are there worldwide?

RevenueBase identified 1,996 telecommunications component suppliers 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?

Fiberhome, headquartered in Wuhan, tops this list with the largest team on record.

Which country has the most telecommunications component suppliers?

The United States leads with 390 companies, followed by China (389) and India (230). Every telecommunications component suppliers list by country and city is linked on this page.

Which city has the most telecommunications component suppliers?

Shenzhen leads with 155 headquartered companies, followed by Sao Paulo (37) and Bangalore (32).

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 10,541 verified decision-maker contacts tracked across these 1,996 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.