Company lists · Data refreshed September 2026
Top 25 Fusion splicer manufacturers worldwide
RevenueBase identified 431 fusion splicer manufacturers worldwide as of September 2026 and tracks 3,737 professional contacts across them, including 808 with verified work emails. The United States is the largest market and Shenzhen the largest hub.
This list covers fusion splicer 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 30, 2026. Country and city lists for fusion splicer 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 fusion splicer manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 276 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 148 contacts → | ||||
Indirect 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 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 100 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 66 contacts → | ||||
Indirect evidence “AFL es una empresa innovadora que ofrece soluciones, productos y servicios líderes en la industria a los mercados energético, de proveedores de servicios, empresarial e…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 51 contacts → | ||||
Indirect evidence “INNO INSTRUMENT is one of the reputed global suppliers of various equipment to telecommunications industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 50 contacts → | ||||
Indirect evidence “Fiberdyne Labs, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 49 contacts → | ||||
Indirect evidence “Lightmax SL empresa fundada en 2007 especializada en la fabricación y suministro de productos para redes pasivas de fibra óptica.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 37 contacts → | ||||
Partial evidence “SYLEX, a company founded in 1995, is a world-class original design manufacturer of high quality optical interconnect solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 35 contacts → | ||||
Strong evidence “UCL Swift Americas offers top-tier products, support, and innovation for fusion splicers, cleavers, fusion splice-on connectors (FSOC), cable assemblies, splitters, and a host of…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 35 contacts → | ||||
Indirect evidence “Suncall America provides high-precision fiber optic connectors and adapters designed to address the density and performance challenges of today’s data-driven networks.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 34 contacts → | ||||
Indirect evidence “IFOTEC, c’est l’alliance entre la maîtrise des fibres optiques et des technologies électroniques de communication.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 34 contacts → | ||||
Indirect evidence “Taihan Fiberoptics co, Ltd.[KOSDAQ: 010170], which is specialized in manufacturing optical fiber, fiber optic cables and accessories.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 33 contacts → | ||||
Indirect evidence “Die Opternus GmbH ist Marktführer in Deutschland im Bereich der Glasfaser Spleiss, Einblass- und Messtechnik für den Breitbandausbau – TECHNIK DIE VERBINDET.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 31 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 30 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 28 contacts → | ||||
Partial evidence “Omnitron Systems designs and manufactures fiber optic connectivity products that enable the delivery of next-generation network services.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 23 contacts → | ||||
Partial evidence “ARIA Technologies has been an industry leading manufacturer of fiber optic connectivity products since 1991.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 23 contacts → | ||||
Indirect evidence “For over 30 years present in the brazilian market of telecommunications, SUMITOMO ELETRIC INDUSTRIES now has a manufacturing unit, SEI BRASIL Soluções Ópticas, in the city of…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 21 contacts → | ||||
Strong evidence “3SAE Technologies headquartered in Franklin, Tennessee provides advanced fiber optic fusion splicing and glass processing solutions to companies around the world.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 21 contacts → | ||||
Indirect evidence “Chiral Photonics (CPI) develops, produces and sells a diverse portfolio of high performance, fiber-based optical components: Fiber Optic Couplers- Pitch Reducing Optical Fiber…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 20 contacts → | ||||
Indirect evidence “Wij verzorgen (totaal) netwerken in opdracht van aannemers en installateurs.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 19 contacts → | ||||
Indirect evidence “Somos uma empresa com mais de 18 anos no mercado da telecomunicação, fornecemos componentes passiveis de comunicação por fibra óptica; Cordões ópticos, Splitter óptico, Pig tail…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 18 contacts → | ||||
Indirect evidence “LIGHTEL supplies a broad spectrum of products and services to customers worldwide.” Source: RevenueBase Database · checked Sep 30, 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: fusion splicer 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 fusion splicer manufacturers.
- Partial evidence
- Its own public description names part of fusion splicer manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name fusion splicer 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 431 fusion splicer manufacturers worldwide
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Fusion splicer manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 fusion splicer 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
- Every country. Country and city lists for fusion splicer manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “fusion splicer 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 fusion splicer 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 fusion splicer 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, 808 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 30, 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.
Fusion splicer manufacturers by location
1 lists · largest firstEvery Fusion splicer 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 fusion splicer 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 fusion splicer manufacturers are there worldwide?
RevenueBase identified 431 fusion splicer 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?
Source Photonics, headquartered in West Hills, tops this list with the largest team on record.
Which country has the most fusion splicer manufacturers?
The United States leads with 93 companies. Every fusion splicer manufacturers list by country and city is linked on this page.
Which city has the most fusion splicer manufacturers?
Shenzhen leads with 36 headquartered companies, followed by Nanjing (7) and Ningbo (6).
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 808 verified decision-maker contacts tracked across these 431 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 30, 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.