Company lists · Data refreshed September 2026
Top 25 Fiber optic testing equipment manufacturers worldwide
RevenueBase identified 710 fiber optic testing equipment manufacturers worldwide as of September 2026 and tracks 13,127 professional contacts across them, including 1,782 with verified work emails and 0 with mobile numbers. China is the largest market and Shenzhen the largest hub.
This list covers fiber optic testing equipment 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 16, 2026. Country and city lists for fiber optic testing equipment 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.
The 25 largest fiber optic testing equipment manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,999 contacts → | ||||
Indirect evidence “GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 416 contacts → | ||||
Strong evidence “Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 395 contacts → | ||||
Indirect evidence “Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 333 contacts → | ||||
Strong evidence “Luna Innovations Incorporated is a leader in optical technology, committed to serving its customers with unique capabilities in high-performance, fiber-optic-based sensing…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 276 contacts → | ||||
Strong evidence “SENKO Advanced Components design and manufacture precise, user-friendly, and application-focused fiber optic connectors that allow network operators to achieve the performance and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 261 contacts → | ||||
Strong 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 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 258 contacts → | ||||
Strong evidence “Clearfield, Inc.(NASDAQ: CLFD) designs, manufactures, and distributes fiber optic management, protection, and delivery solutions that play a critical role in enabling broadband…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 167 contacts → | ||||
Indirect evidence “Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 152 contacts → | ||||
Indirect evidence “Completando 30 anos em 2025, a Cabletech alcançou a liderança nacional na fabricação de cabos coaxiais e ópticos, sempre focada em inovação e em manter um padrão de qualidade…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 148 contacts → | ||||
Strong evidence “Fiber Instrument Sales, Inc.(FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 147 contacts → | ||||
Indirect evidence “West Coast Optilinks (A division of West Coast Paper Mills Ltd.), belongs to a USD 700 Million fast growing Industrial business house “S.K.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 124 contacts → | ||||
Partial evidence “Established in 1885, Fujikura is one of the world's leading manufacturers of communication and electronics products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 100 contacts → | ||||
Strong evidence “Amphenol Fiber Systems International (AFSI) is a full service fiber optic company specializing in the fabrication and manufacture of fiber optic connectivity products and systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 96 contacts → | ||||
Strong evidence “WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 89 contacts → | ||||
Indirect evidence “Sunrise Telecom® is a registered trademark of VeEX Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 85 contacts → | ||||
Strong evidence “Fiber Optic Center, Inc,(FOC), is an international distributor of fiber optic components, equipment and supplies and the industry connection to the most innovative optical…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 69 contacts → | ||||
Indirect evidence “Tempo® Communications is a trusted name in the utility, communications, and irrigation industries, delivering a full suite of innovative, industry-leading test and measurement…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 63 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 61 contacts → | ||||
Indirect evidence “With decades of experience, the close-knit team at TREND Networks (Formerly IDEAL Networks) understands the challenges that data cable installers, network technicians and systems…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 50 contacts → | ||||
Indirect evidence “Fiberdyne Labs, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 46 contacts → | ||||
Strong evidence “The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 40 contacts → | ||||
Strong evidence “Sumix designs, develops and manufactures high-end test equipment for fiber optic industry, interferometers and inspection probes, industrial USB 3.0 cameras, USB 2.0 cameras and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 36 contacts → | ||||
Strong evidence “Optical Zonu Corporation is a privately owned high technology company located in Los Angeles, CA, specializing in the design and manufacturing of Fiber Optic Components for Analog…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 35 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: fiber optic testing equipment 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 fiber optic testing equipment manufacturers.
- Partial evidence
- Its own public description names part of fiber optic testing equipment manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name fiber optic testing equipment 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 710 fiber optic testing equipment manufacturers worldwide
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Fiber optic testing equipment manufacturers worldwide at a glance
As of Sep 16, 2026Companies by employee count
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 fiber optic testing equipment 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
- 6 countries, largest first: China, the United States, India, the United Kingdom, Germany, Brazil. Country and city lists for fiber optic testing equipment manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “fiber optic testing equipment 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 fiber optic testing equipment 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 fiber optic testing equipment 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, 1,782 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.
Fiber optic testing equipment manufacturers by location
6 lists · largest firstEvery Fiber optic testing equipment manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Fiber optic testing equipment manufacturers based in China381
- Fiber optic testing equipment manufacturers based in the United States180
- Fiber optic testing equipment manufacturers based in India53
- Fiber optic testing equipment manufacturers based in the United Kingdom35
- Fiber optic testing equipment manufacturers based in Germany33
- Fiber optic testing equipment manufacturers based in Brazil28
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 fiber optic testing equipment 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 fiber optic testing equipment manufacturers are there worldwide?
RevenueBase identified 710 fiber optic testing equipment 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?
Gaotek INC, headquartered in New York, tops this list with the largest team on record.
Which country has the most fiber optic testing equipment manufacturers?
China leads with 381 companies, followed by the United States (180) and India (53). Every fiber optic testing equipment manufacturers list by country and city is linked on this page.
Which city has the most fiber optic testing equipment manufacturers?
Shenzhen leads with 146 headquartered companies, followed by Ningbo (17) and Wuhan (14).
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 1,782 verified decision-maker contacts tracked across these 710 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.
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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.
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Company intelligence · public preview
Top 25 fiber optic testing equipment manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 710 matching company records for fiber optic testing equipment manufacturers worldwide, with 13,127 tracked contacts and 1,782 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 fiber optic testing equipment manufacturers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Gaotek INCgaotek.com HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,999 contacts → |
“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AOIao-inc.comHQ: Sugar Land, TX, United StatesReported employees: 1,001-5,000 | Sugar Land, TX, United States | 1,001-5,000 | Exact match | 416 contacts → |
“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  YOFCyofc.comHQ: Wuhan, ChinaReported employees: 1,001-5,000 | Wuhan, China | 1,001-5,000 | Exact match | 395 contacts → |
“Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Luna Innovationslunainc.comHQ: Roanoke, VA, United StatesReported employees: 201-500 | Roanoke, VA, United States | 201-500 | Exact match | 333 contacts → |
“Luna Innovations Incorporated is a leader in optical technology, committed to serving its customers with unique capabilities in high-performance, fiber-optic-based sensing…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Source Photonicssourcephotonics.comHQ: West Hills, CA, United StatesReported employees: 501-1,000 | West Hills, CA, United States | 501-1,000 | Exact match | 285 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Senko Advanced Components, INCsenko.com HQ: Hudson, MA, United StatesReported employees: 1,001-5,000 | Hudson, MA, United States | 1,001-5,000 | Exact match | 276 contacts → |
“SENKO Advanced Components design and manufacture precise, user-friendly, and application-focused fiber optic connectors that allow network operators to achieve the performance and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Optical Cable Corporationoccfiber.com HQ: Roanoke, VA, United StatesReported employees: 201-500 | Roanoke, VA, United States | 201-500 | Exact match | 261 contacts → |
“When we first built our reputation as pioneers in fiber optic cable industry, OCC made a commitment to quality, performance, and service.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Clearfieldseeclearfield.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 258 contacts → |
“Clearfield, Inc.(NASDAQ: CLFD) designs, manufactures, and distributes fiber optic management, protection, and delivery solutions that play a critical role in enabling broadband…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Yofc Polironyofc.com.br HQ: Diadema, BrazilReported employees: 201-500 | Diadema, Brazil | 201-500 | Exact match | 167 contacts → |
“Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cabletechcabletech.com.br HQ: Caçapava, BrazilReported employees: 201-500 | Caçapava, Brazil | 201-500 | Exact match | 152 contacts → |
“Completando 30 anos em 2025, a Cabletech alcançou a liderança nacional na fabricação de cabos coaxiais e ópticos, sempre focada em inovação e em manter um padrão de qualidade…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Fiber Instrument Sales, INCfiberinstrumentsales.com HQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 148 contacts → |
“Fiber Instrument Sales, Inc.(FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | West Coast Optilinks WCOwestcoastoptilinks.com HQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 147 contacts → |
“West Coast Optilinks (A division of West Coast Paper Mills Ltd.), belongs to a USD 700 Million fast growing Industrial business house “S.K.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fujikura Europeeurope.fujikura.com HQ: Chessington, United KingdomReported employees: 11-50 | Chessington, United Kingdom | 11-50 | Exact match | 124 contacts → |
“Established in 1885, Fujikura is one of the world's leading manufacturers of communication and electronics products.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Amphenol Fiber Systems Internationalfibersystems.com HQ: Allen, TX, United StatesReported employees: 201-500 | Allen, TX, United States | 201-500 | Exact match | 100 contacts → |
“Amphenol Fiber Systems International (AFSI) is a full service fiber optic company specializing in the fabrication and manufacture of fiber optic connectivity products and systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Weinert Fiber Optics INCweinert-industries.comHQ: Williamsburg, VA, United StatesReported employees: 51-200 | Williamsburg, VA, United States | 51-200 | Exact match | 96 contacts → |
“WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sunrise Telecomveexinc.comHQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 89 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fiber Optic Centerfocenter.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 85 contacts → |
“Fiber Optic Center, Inc,(FOC), is an international distributor of fiber optic components, equipment and supplies and the industry connection to the most innovative optical…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tempo Communications, INCtempocom.com HQ: Vista, CA, United StatesReported employees: 51-200 | Vista, CA, United States | 51-200 | Exact match | 69 contacts → |
“Tempo® Communications is a trusted name in the utility, communications, and irrigation industries, delivering a full suite of innovative, industry-leading test and measurement…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Birla Furukawabirlafurukawa.comHQ: Verna, IndiaReported employees: 11-50 | Verna, India | 11-50 | Exact match | 63 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Trend Networkstrend-networks.com HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 61 contacts → |
“With decades of experience, the close-knit team at TREND Networks (Formerly IDEAL Networks) understands the challenges that data cable installers, network technicians and systems…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fiberdyne Labsfiberdyne.com HQ: Frankfort, NY, United StatesReported employees: 51-200 | Frankfort, NY, United States | 51-200 | Exact match | 50 contacts → |
“Fiberdyne Labs, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Optoplexoptoplex.comHQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 46 contacts → |
“The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SUMIXsumix.com HQ: Oceanside, CA, United StatesReported employees: 51-200 | Oceanside, CA, United States | 51-200 | Exact match | 40 contacts → |
“Sumix designs, develops and manufactures high-end test equipment for fiber optic industry, interferometers and inspection probes, industrial USB 3.0 cameras, USB 2.0 cameras and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Optical Zonu Corpopticalzonu.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 36 contacts → |
“Optical Zonu Corporation is a privately owned high technology company located in Los Angeles, CA, specializing in the design and manufacturing of Fiber Optic Components for Analog…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  CCL Optoelectronics Pvt. LTDcclopto.comHQ: Navi Mumbai, IndiaReported employees: 51-200 | Navi Mumbai, India | 51-200 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 710 company matches
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Fiber optic testing equipment manufacturers: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
703 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Fiber optic testing equipment manufacturers by location
6 lists · largest firstEvery Fiber optic testing equipment manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Fiber optic testing equipment manufacturers based in China381
- Fiber optic testing equipment manufacturers based in the United States180
- Fiber optic testing equipment manufacturers based in India53
- Fiber optic testing equipment manufacturers based in the United Kingdom35
- Fiber optic testing equipment manufacturers based in Germany33
- Fiber optic testing equipment manufacturers based in Brazil28
Questions about this company list
What does Exact match mean for fiber optic testing equipment manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many fiber optic testing equipment manufacturers did RevenueBase find worldwide?
The saved snapshot records 710 matching company records, 13,127 tracked contacts and 1,782 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 fiber optic testing equipment manufacturers worldwide. Snapshot: September 16, 2026. https://revenuebase.ai/companies/browse/fiber-optic-testing-equipment-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 fiber optic testing equipment manufacturers worldwide
RevenueBase records 710 matching company records for fiber optic testing equipment manufacturers worldwide, with 13,127 tracked contacts and 1,782 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 fiber optic testing equipment manufacturers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Gaotek INCgaotek.com HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,999 contacts → |
“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AOIao-inc.com HQ: Sugar Land, TX, United StatesReported employees: 1,001-5,000 | Sugar Land, TX, United States | 1,001-5,000 | Exact match | 416 contacts → |
“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | YOFCyofc.com HQ: Wuhan, ChinaReported employees: 1,001-5,000 | Wuhan, China | 1,001-5,000 | Exact match | 395 contacts → |
“Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Luna Innovationslunainc.com HQ: Roanoke, VA, United StatesReported employees: 201-500 | Roanoke, VA, United States | 201-500 | Exact match | 333 contacts → |
“Luna Innovations Incorporated is a leader in optical technology, committed to serving its customers with unique capabilities in high-performance, fiber-optic-based sensing…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Source Photonicssourcephotonics.com HQ: West Hills, CA, United StatesReported employees: 501-1,000 | West Hills, CA, United States | 501-1,000 | Exact match | 285 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Senko Advanced Components, INCsenko.com HQ: Hudson, MA, United StatesReported employees: 1,001-5,000 | Hudson, MA, United States | 1,001-5,000 | Exact match | 276 contacts → |
“SENKO Advanced Components design and manufacture precise, user-friendly, and application-focused fiber optic connectors that allow network operators to achieve the performance and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Optical Cable Corporationoccfiber.com HQ: Roanoke, VA, United StatesReported employees: 201-500 | Roanoke, VA, United States | 201-500 | Exact match | 261 contacts → |
“When we first built our reputation as pioneers in fiber optic cable industry, OCC made a commitment to quality, performance, and service.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Clearfieldseeclearfield.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 258 contacts → |
“Clearfield, Inc.(NASDAQ: CLFD) designs, manufactures, and distributes fiber optic management, protection, and delivery solutions that play a critical role in enabling broadband…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Yofc Polironyofc.com.br HQ: Diadema, BrazilReported employees: 201-500 | Diadema, Brazil | 201-500 | Exact match | 167 contacts → |
“Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cabletechcabletech.com.br HQ: Caçapava, BrazilReported employees: 201-500 | Caçapava, Brazil | 201-500 | Exact match | 152 contacts → |
“Completando 30 anos em 2025, a Cabletech alcançou a liderança nacional na fabricação de cabos coaxiais e ópticos, sempre focada em inovação e em manter um padrão de qualidade…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Fiber Instrument Sales, INCfiberinstrumentsales.com HQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 148 contacts → |
“Fiber Instrument Sales, Inc.(FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | West Coast Optilinks WCOwestcoastoptilinks.com HQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 147 contacts → |
“West Coast Optilinks (A division of West Coast Paper Mills Ltd.), belongs to a USD 700 Million fast growing Industrial business house “S.K.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fujikura Europeeurope.fujikura.com HQ: Chessington, United KingdomReported employees: 11-50 | Chessington, United Kingdom | 11-50 | Exact match | 124 contacts → |
“Established in 1885, Fujikura is one of the world's leading manufacturers of communication and electronics products.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Amphenol Fiber Systems Internationalfibersystems.com HQ: Allen, TX, United StatesReported employees: 201-500 | Allen, TX, United States | 201-500 | Exact match | 100 contacts → |
“Amphenol Fiber Systems International (AFSI) is a full service fiber optic company specializing in the fabrication and manufacture of fiber optic connectivity products and systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Weinert Fiber Optics INCweinert-industries.com HQ: Williamsburg, VA, United StatesReported employees: 51-200 | Williamsburg, VA, United States | 51-200 | Exact match | 96 contacts → |
“WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sunrise Telecomveexinc.com HQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 89 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fiber Optic Centerfocenter.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 85 contacts → |
“Fiber Optic Center, Inc,(FOC), is an international distributor of fiber optic components, equipment and supplies and the industry connection to the most innovative optical…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tempo Communications, INCtempocom.com HQ: Vista, CA, United StatesReported employees: 51-200 | Vista, CA, United States | 51-200 | Exact match | 69 contacts → |
“Tempo® Communications is a trusted name in the utility, communications, and irrigation industries, delivering a full suite of innovative, industry-leading test and measurement…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Birla Furukawabirlafurukawa.com HQ: Verna, IndiaReported employees: 11-50 | Verna, India | 11-50 | Exact match | 63 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Trend Networkstrend-networks.com HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 61 contacts → |
“With decades of experience, the close-knit team at TREND Networks (Formerly IDEAL Networks) understands the challenges that data cable installers, network technicians and systems…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fiberdyne Labsfiberdyne.com HQ: Frankfort, NY, United StatesReported employees: 51-200 | Frankfort, NY, United States | 51-200 | Exact match | 50 contacts → |
“Fiberdyne Labs, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Optoplexoptoplex.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 46 contacts → |
“The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SUMIXsumix.com HQ: Oceanside, CA, United StatesReported employees: 51-200 | Oceanside, CA, United States | 51-200 | Exact match | 40 contacts → |
“Sumix designs, develops and manufactures high-end test equipment for fiber optic industry, interferometers and inspection probes, industrial USB 3.0 cameras, USB 2.0 cameras and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Optical Zonu Corpopticalzonu.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 36 contacts → |
“Optical Zonu Corporation is a privately owned high technology company located in Los Angeles, CA, specializing in the design and manufacturing of Fiber Optic Components for Analog…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CCL Optoelectronics Pvt. LTDcclopto.com HQ: Navi Mumbai, IndiaReported employees: 51-200 | Navi Mumbai, India | 51-200 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 710 company matches
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Fiber optic testing equipment manufacturers: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
703 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Fiber optic testing equipment manufacturers by location
6 lists · largest firstEvery Fiber optic testing equipment manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Fiber optic testing equipment manufacturers based in China381
- Fiber optic testing equipment manufacturers based in the United States180
- Fiber optic testing equipment manufacturers based in India53
- Fiber optic testing equipment manufacturers based in the United Kingdom35
- Fiber optic testing equipment manufacturers based in Germany33
- Fiber optic testing equipment manufacturers based in Brazil28
Questions about this company list
What does Exact match mean for fiber optic testing equipment manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many fiber optic testing equipment manufacturers did RevenueBase find worldwide?
The saved snapshot records 710 matching company records, 13,127 tracked contacts and 1,782 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 fiber optic testing equipment manufacturers worldwide. Snapshot: September 16, 2026. https://revenuebase.ai/companies/browse/fiber-optic-testing-equipment-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗