Company lists · Data refreshed October 2026
Top 25 Optical loss tester suppliers worldwide
RevenueBase identified 185 company matches for optical loss tester suppliers worldwide as of October 2026 and tracks 5,785 professional contacts across them, including 135 with verified work emails. Shenzhen is the largest hub.
This list covers company matches for optical loss tester suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 optical loss tester suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,734 contacts → | ||||
Exact match “GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 57 contacts → | ||||
Exact match “Founded in 1979, Photon Kinetics is the leading supplier of measurement solutions for the optical fiber, cable and component manufacturing industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 3 | 53 contacts → | ||||
Exact match “INNO INSTRUMENT is one of the reputed global suppliers of various equipment to telecommunications industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 27 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 26 contacts → | ||||
Exact match “HUBER+SUHNER Cube Optics; Pushing the boundaries of fiber optical transport for more than 20 years Fiber optical transport is the backbone of the global data transmission.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 17 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 15 contacts → | ||||
Exact match “Interlab Sp.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “You can't beat a Kingfisher handheld tester.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “Products for passive optic network - almost at the speed of light!” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Wilcom has been manufacturing reliable, easy-to-use telephone line test equipment and transmission products since 1967.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “EQUICOM - your ICT test and measurement expert Equicom Ltd was established in February The two owners, Zoltán Cziráky and Csaba Kolozs has deep knowledge in the telecom and IT…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Proveedores de equipamiento de Telecomunicaciones, FTTH, GPON "Todas las Marcas" Consulta, estamos para solucionar tus requerimientos!” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Te Lintelo Systems, your connection to world's leading best suppliers!” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “PFO is a world leader in the design and manufacture of optoelectronics test instruments for characterisation of Optical Fiber.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Empresa de injeção plástica” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Since 1992 TRIOPTICS is known as a leading manufacturer of optical test equipment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Luciol Instruments is a Swiss technology company dedicated to High Resolution OTDRs (Optical Time Domain Reflectometer) for fiber optics.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Optiwave Photonics Limited specializes in the manufacture of optical network equipment and test & measurement systems for optical fiber communications.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Télefo S.p.A.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Lantern Electrical's are master distributor for FTTx Test & Measurement Products for AFL OTDR's & Splicing Machines.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Future proof your multimode fiber network in under 1 hour!” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “United Kingdom supplier of Photonic test equipment and accessories.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Howell Optic Communication Technology Co,Ltd is a well-established enterprise engaged in supplying and trading Optical Components.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “THI has the largest selection of OEM compatible optics in the networking marketplace; supporting over part numbers that transverse an extensive list of manufacturers and machines.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “optical loss tester suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 185 optical loss tester suppliers worldwide
See the full list, filter by size, metro and specialty, and access 135 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Optical loss tester suppliers worldwide at a glance
As of Oct 28, 2026Companies by employee count
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 185 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records worldwide whose business descriptions match “optical loss tester suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 135 professional contacts with verified work emails across the full matched dataset. 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 October 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “optical loss tester suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many optical loss tester suppliers are there worldwide?
RevenueBase identified 185 company matches for optical loss tester suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Gaotek INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most optical loss tester suppliers?
Shenzhen leads with 27 company records, followed by Nanjing (5) and New Delhi (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 135 professional contacts with verified work emails tracked across these 185 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 185 optical loss tester suppliers worldwide. Start with a free account, no credit card.
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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 SmartSearch, 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 optical loss tester suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 185 matching company records for optical loss tester suppliers worldwide, with 5,785 tracked contacts and 135 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: October 28, 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 optical loss tester suppliers 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 | 4,734 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 · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Photon Kineticspkinetics.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 57 contacts → |
“Founded in 1979, Photon Kinetics is the leading supplier of measurement solutions for the optical fiber, cable and component manufacturing industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Inno Instrument INCinnoinstrument.comHQ: Incheon, South KoreaReported employees: 201-500 | Incheon, South Korea | 201-500 | Exact match | 53 contacts → |
“INNO INSTRUMENT is one of the reputed global suppliers of various equipment to telecommunications industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Semight Instrumentssemight.com HQ: Suzhou, ChinaReported employees: 201-500 | Suzhou, China | 201-500 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Huber Suhner Cube Optics AGcubeoptics.com HQ: Mainz, GermanyReported employees: 51-200 | Mainz, Germany | 51-200 | Exact match | 26 contacts → |
“HUBER+SUHNER Cube Optics; Pushing the boundaries of fiber optical transport for more than 20 years Fiber optical transport is the backbone of the global data transmission.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Global Technologyglobaltechno.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 17 contacts → |
“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…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Interlab Sp. Z O.Ointerlab.pl HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 15 contacts → |
“Interlab Sp.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kingfisher Internationalkingfisherfiber.com HQ: Mulgrave, AustraliaReported employees: 11-50 | Mulgrave, Australia | 11-50 | Exact match | 13 contacts → |
“You can't beat a Kingfisher handheld tester.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Naficonnaficon.fi HQ: Nauvo, FinlandReported employees: 11-50 | Nauvo, Finland | 11-50 | Exact match | 11 contacts → |
“Products for passive optic network - almost at the speed of light!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Wilcom, INCwilcominc.com HQ: Belmont, NH, United StatesReported employees: 11-50 | Belmont, NH, United States | 11-50 | Exact match | 10 contacts → |
“Wilcom has been manufacturing reliable, easy-to-use telephone line test equipment and transmission products since 1967.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Equicom Méréstechnikai KFTequicom.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 9 contacts → |
“EQUICOM - your ICT test and measurement expert Equicom Ltd was established in February The two owners, Zoltán Cziráky and Csaba Kolozs has deep knowledge in the telecom and IT…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hitecno S.Ahitecno.com.ar HQ: City Of Buenos Aires, ArgentinaReported employees: 11-50 | City Of Buenos Aires, Argentina | 11-50 | Exact match | 9 contacts → |
“Proveedores de equipamiento de Telecomunicaciones, FTTH, GPON "Todas las Marcas" Consulta, estamos para solucionar tus requerimientos!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  TLStlsbv.nlHQ: Zevenaar, NetherlandsReported employees: 1-10 | Zevenaar, Netherlands | 1-10 | Exact match | 8 contacts → |
“Te Lintelo Systems, your connection to world's leading best suppliers!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  PFO Instrumentspfoinstruments.comHQ: Wokingham, United KingdomReported employees: 11-50 | Wokingham, United Kingdom | 11-50 | Exact match | 8 contacts → |
“PFO is a world leader in the design and manufacture of optoelectronics test instruments for characterisation of Optical Fiber.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Betel Indústriabetelindustria.com.brHQ: Santa Rita Do Sapucaí, BrazilReported employees: 11-50 | Santa Rita Do Sapucaí, Brazil | 11-50 | Exact match | 8 contacts → |
“Empresa de injeção plástica” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trioptics USAtrioptics-usa.com HQ: Rancho Cucamonga, CA, United StatesReported employees: 11-50 | Rancho Cucamonga, CA, United States | 11-50 | Exact match | 6 contacts → |
“Since 1992 TRIOPTICS is known as a leading manufacturer of optical test equipment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fluxlight, INCfluxlight.com HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Luciol Instruments SAluciol.com HQ: Wokingham, United KingdomReported employees: 1-10 | Wokingham, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Luciol Instruments is a Swiss technology company dedicated to High Resolution OTDRs (Optical Time Domain Reflectometer) for fiber optics.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Optiwave Photonics LTDoptiwavephotonics.com HQ: Hyderabad, IndiaReported employees: 11-50 | Hyderabad, India | 11-50 | Exact match | 5 contacts → |
“Optiwave Photonics Limited specializes in the manufacture of optical network equipment and test & measurement systems for optical fiber communications.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Télefotelefo.comHQ: Trezzano Rosa, ItalyReported employees: 11-50 | Trezzano Rosa, Italy | 11-50 | Exact match | 3 contacts → |
“Télefo S.p.A.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lantern Electricalslanternelectricals.com HQ: Dubai, United Arab EmiratesReported employees: 1-10 | Dubai, United Arab Emirates | 1-10 | Exact match | 3 contacts → |
“Lantern Electrical's are master distributor for FTTx Test & Measurement Products for AFL OTDR's & Splicing Machines.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Modular Photonicsmodularphotonics.com HQ: North Ryde, AustraliaReported employees: 1-10 | North Ryde, Australia | 1-10 | Exact match | 3 contacts → |
“Future proof your multimode fiber network in under 1 hour!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dmopticsdmoptics.co.ukHQ: Weston-super-mare, United KingdomReported employees: 1-10 | Weston-super-mare, United Kingdom | 1-10 | Exact match | 3 contacts → |
“United Kingdom supplier of Photonic test equipment and accessories.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Howell Optic Communication Technology Co.,ltdhowelloptic.com HQ: Shanghai, ChinaReported employees: 11-50 | Shanghai, China | 11-50 | Exact match | 2 contacts → |
“Howell Optic Communication Technology Co,Ltd is a well-established enterprise engaged in supplying and trading Optical Components.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Trojan Horse Innovations, INCthiusa.com HQ: Rancho Santa Margarita, CA, United StatesReported employees: 11-50 | Rancho Santa Margarita, CA, United States | 11-50 | Exact match | 2 contacts → |
“THI has the largest selection of OEM compatible optics in the networking marketplace; supporting over part numbers that transverse an extensive list of manufacturers and machines.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 185 company matches
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Optical loss tester suppliers: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
185 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 185 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: October 28, 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 ↗
Questions about this company list
What does Exact match mean for optical loss tester suppliers?
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 optical loss tester suppliers did RevenueBase find worldwide?
The saved snapshot records 185 matching company records, 5,785 tracked contacts and 135 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: October 28, 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.
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Cite this list
RevenueBase Data Team. Top 25 optical loss tester suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/optical-loss-tester-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 optical loss tester suppliers worldwide
RevenueBase records 185 matching company records for optical loss tester suppliers worldwide, with 5,785 tracked contacts and 135 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: October 28, 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 optical loss tester suppliers 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 | 4,734 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 · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Photon Kineticspkinetics.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 57 contacts → |
“Founded in 1979, Photon Kinetics is the leading supplier of measurement solutions for the optical fiber, cable and component manufacturing industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Inno Instrument INCinnoinstrument.com HQ: Incheon, South KoreaReported employees: 201-500 | Incheon, South Korea | 201-500 | Exact match | 53 contacts → |
“INNO INSTRUMENT is one of the reputed global suppliers of various equipment to telecommunications industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Semight Instrumentssemight.com HQ: Suzhou, ChinaReported employees: 201-500 | Suzhou, China | 201-500 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Huber Suhner Cube Optics AGcubeoptics.com HQ: Mainz, GermanyReported employees: 51-200 | Mainz, Germany | 51-200 | Exact match | 26 contacts → |
“HUBER+SUHNER Cube Optics; Pushing the boundaries of fiber optical transport for more than 20 years Fiber optical transport is the backbone of the global data transmission.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Global Technologyglobaltechno.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 17 contacts → |
“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…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Interlab Sp. Z O.Ointerlab.pl HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 15 contacts → |
“Interlab Sp.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kingfisher Internationalkingfisherfiber.com HQ: Mulgrave, AustraliaReported employees: 11-50 | Mulgrave, Australia | 11-50 | Exact match | 13 contacts → |
“You can't beat a Kingfisher handheld tester.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Naficonnaficon.fi HQ: Nauvo, FinlandReported employees: 11-50 | Nauvo, Finland | 11-50 | Exact match | 11 contacts → |
“Products for passive optic network - almost at the speed of light!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Wilcom, INCwilcominc.com HQ: Belmont, NH, United StatesReported employees: 11-50 | Belmont, NH, United States | 11-50 | Exact match | 10 contacts → |
“Wilcom has been manufacturing reliable, easy-to-use telephone line test equipment and transmission products since 1967.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Equicom Méréstechnikai KFTequicom.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 9 contacts → |
“EQUICOM - your ICT test and measurement expert Equicom Ltd was established in February The two owners, Zoltán Cziráky and Csaba Kolozs has deep knowledge in the telecom and IT…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hitecno S.Ahitecno.com.ar HQ: City Of Buenos Aires, ArgentinaReported employees: 11-50 | City Of Buenos Aires, Argentina | 11-50 | Exact match | 9 contacts → |
“Proveedores de equipamiento de Telecomunicaciones, FTTH, GPON "Todas las Marcas" Consulta, estamos para solucionar tus requerimientos!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | TLStlsbv.nl HQ: Zevenaar, NetherlandsReported employees: 1-10 | Zevenaar, Netherlands | 1-10 | Exact match | 8 contacts → |
“Te Lintelo Systems, your connection to world's leading best suppliers!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | PFO Instrumentspfoinstruments.com HQ: Wokingham, United KingdomReported employees: 11-50 | Wokingham, United Kingdom | 11-50 | Exact match | 8 contacts → |
“PFO is a world leader in the design and manufacture of optoelectronics test instruments for characterisation of Optical Fiber.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Betel Indústriabetelindustria.com.br HQ: Santa Rita Do Sapucaí, BrazilReported employees: 11-50 | Santa Rita Do Sapucaí, Brazil | 11-50 | Exact match | 8 contacts → |
“Empresa de injeção plástica” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trioptics USAtrioptics-usa.com HQ: Rancho Cucamonga, CA, United StatesReported employees: 11-50 | Rancho Cucamonga, CA, United States | 11-50 | Exact match | 6 contacts → |
“Since 1992 TRIOPTICS is known as a leading manufacturer of optical test equipment.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fluxlight, INCfluxlight.com HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Luciol Instruments SAluciol.com HQ: Wokingham, United KingdomReported employees: 1-10 | Wokingham, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Luciol Instruments is a Swiss technology company dedicated to High Resolution OTDRs (Optical Time Domain Reflectometer) for fiber optics.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Optiwave Photonics LTDoptiwavephotonics.com HQ: Hyderabad, IndiaReported employees: 11-50 | Hyderabad, India | 11-50 | Exact match | 5 contacts → |
“Optiwave Photonics Limited specializes in the manufacture of optical network equipment and test & measurement systems for optical fiber communications.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Télefotelefo.com HQ: Trezzano Rosa, ItalyReported employees: 11-50 | Trezzano Rosa, Italy | 11-50 | Exact match | 3 contacts → |
“Télefo S.p.A.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lantern Electricalslanternelectricals.com HQ: Dubai, United Arab EmiratesReported employees: 1-10 | Dubai, United Arab Emirates | 1-10 | Exact match | 3 contacts → |
“Lantern Electrical's are master distributor for FTTx Test & Measurement Products for AFL OTDR's & Splicing Machines.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Modular Photonicsmodularphotonics.com HQ: North Ryde, AustraliaReported employees: 1-10 | North Ryde, Australia | 1-10 | Exact match | 3 contacts → |
“Future proof your multimode fiber network in under 1 hour!” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dmopticsdmoptics.co.uk HQ: Weston-super-mare, United KingdomReported employees: 1-10 | Weston-super-mare, United Kingdom | 1-10 | Exact match | 3 contacts → |
“United Kingdom supplier of Photonic test equipment and accessories.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Howell Optic Communication Technology Co.,ltdhowelloptic.com HQ: Shanghai, ChinaReported employees: 11-50 | Shanghai, China | 11-50 | Exact match | 2 contacts → |
“Howell Optic Communication Technology Co,Ltd is a well-established enterprise engaged in supplying and trading Optical Components.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Trojan Horse Innovations, INCthiusa.com HQ: Rancho Santa Margarita, CA, United StatesReported employees: 11-50 | Rancho Santa Margarita, CA, United States | 11-50 | Exact match | 2 contacts → |
“THI has the largest selection of OEM compatible optics in the networking marketplace; supporting over part numbers that transverse an extensive list of manufacturers and machines.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 185 company matches
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Optical loss tester suppliers: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
185 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 185 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: October 28, 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 ↗
Questions about this company list
What does Exact match mean for optical loss tester suppliers?
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 optical loss tester suppliers did RevenueBase find worldwide?
The saved snapshot records 185 matching company records, 5,785 tracked contacts and 135 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: October 28, 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.
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Cite this list
RevenueBase Data Team. Top 25 optical loss tester suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/optical-loss-tester-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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