Company lists · Data refreshed October 2026
Top 25 Fiber optic test sources suppliers worldwide
RevenueBase identified 737 company matches for fiber optic test sources suppliers worldwide as of October 2026 and tracks 13,430 professional contacts across them, including 1,995 with verified work emails. The United States is the largest market and Shenzhen the largest hub.
This list covers company matches for fiber optic test sources 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 25, 2026. Country and city lists for fiber optic test sources suppliers follow the table.
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 fiber optic test sources 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 25, 2026 · View company records in RevenueBase | |||||
| 2 | 819 contacts → | ||||
Exact match “OFS is a world-leading innovator, manufacturer and provider of infrastructure solutions for communication networks and specialty fiber optic products.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 501 contacts → | ||||
Exact match “Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 355 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 272 contacts → | ||||
Exact match “Clearfield, Inc.(NASDAQ: CLFD) designs, manufactures, and distributes fiber optic management, protection, and delivery solutions that play a critical role in enabling broadband…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 219 contacts → | ||||
Exact match “FIBRAIN Group is the Polish leader and the leading manufacturer in the field of ICT systems, fiber optic telecommunications and FTTH solutions.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 199 contacts → | ||||
Exact match “OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 147 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 111 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 99 contacts → | ||||
Exact match “WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 93 contacts → | ||||
Exact match “FCA S.A.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 91 contacts → | ||||
Exact match “Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 83 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 14 | 70 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 65 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 60 contacts → | ||||
Exact match “We are a leading provider of Fibre Management Products and Services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 58 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 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 25, 2026 · View company records in RevenueBase | |||||
| 19 | 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 25, 2026 · View company records in RevenueBase | |||||
| 20 | 51 contacts → | ||||
Exact match “Fiberdyne Labs, Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 47 contacts → | ||||
Exact match “The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 45 contacts → | ||||
Exact match “Fastech Telecommunications is a leading provider of telecommunications test and measurement solutions in India.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 43 contacts → | ||||
Exact match “SEDI-ATI by Fiber Optics Group has been a subsidiary of Fiber Optics Group (FOG) since 2023.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 43 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 40 contacts → | ||||
Exact match “Our technological heritage includes the first to market offerings for many of the fiber optic products that meet today’s industry standards.As broadband networks are being…” Recorded in the RevenueBase company graph · Oct 25, 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 “fiber optic test sources 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 737 fiber optic test sources suppliers worldwide
See the full list, filter by size, metro and specialty, and access 1,995 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Fiber optic test sources suppliers worldwide at a glance
As of Oct 25, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for fiber optic test sources suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “fiber optic test sources 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 1,995 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 25, 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.
Fiber optic test sources suppliers by location
5 lists · largest firstEvery Fiber optic test sources suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase 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 “fiber optic test sources suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many fiber optic test sources suppliers are there worldwide?
RevenueBase identified 737 company matches for fiber optic test sources 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 country has the most fiber optic test sources suppliers?
The United States leads with 123 companies, followed by India (44) and France (30). Every fiber optic test sources suppliers list by country and city is linked on this page.
Which city has the most fiber optic test sources suppliers?
Shenzhen leads with 55 company records, followed by New Delhi (9) and Hangzhou (8).
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 1,995 professional contacts with verified work emails tracked across these 737 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 25, 2026.
Ready to reach these companies? Verified emails and direct dials for all 737 fiber optic test sources 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.
More company lists
Company intelligence · public preview
Top 25 fiber optic test sources 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 737 matching company records for fiber optic test sources suppliers worldwide, with 13,430 tracked contacts and 1,995 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 25, 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 test sources 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  OFSofsoptics.comHQ: Norcross, GA, United StatesReported employees: 1,001-5,000 | Norcross, GA, United States | 1,001-5,000 | Exact match | 819 contacts → |
“OFS is a world-leading innovator, manufacturer and provider of infrastructure solutions for communication networks and specialty fiber optic products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  AOIao-inc.comHQ: Sugar Land, TX, United StatesReported employees: 1,001-5,000 | Sugar Land, TX, United States | 1,001-5,000 | Exact match | 501 contacts → |
“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Luna Innovationslunainc.comHQ: Blacksburg, VA, United StatesReported employees: 201-500 | Blacksburg, VA, United States | 201-500 | Exact match | 355 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clearfieldseeclearfield.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 272 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fibrainfibrain.com HQ: Głogów Małopolski, PolandReported employees: 501-1,000 | Głogów Małopolski, Poland | 501-1,000 | Exact match | 219 contacts → |
“FIBRAIN Group is the Polish leader and the leading manufacturer in the field of ICT systems, fiber optic telecommunications and FTTH solutions.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  OZ Optics LTDozoptics.comHQ: Ottawa, ON, CanadaReported employees: 201-500 | Ottawa, ON, Canada | 201-500 | Exact match | 199 contacts → |
“OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fiber Instrument Sales, INCfiberinstrumentsales.com HQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 147 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Amphenol Fiber Systems Internationalfibersystems.com HQ: Allen, TX, United StatesReported employees: 201-500 | Allen, TX, United States | 201-500 | Exact match | 111 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Weinert Fiber Optics INCweinert-industries.comHQ: Williamsburg, VA, United StatesReported employees: 51-200 | Williamsburg, VA, United States | 51-200 | Exact match | 99 contacts → |
“WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | FCAfca.com.pl HQ: Niepołomice, PolandReported employees: 51-200 | Niepołomice, Poland | 51-200 | Exact match | 93 contacts → |
“FCA S.A.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sunrise Telecomveexinc.comHQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 91 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fiber Optic Centerfocenter.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 83 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tempo Communications, INCtempocom.com HQ: Vista, CA, United StatesReported employees: 51-200 | Vista, CA, United States | 51-200 | Exact match | 70 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Trend Networkstrend-networks.com HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 65 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Splicegroupsplicegroup.com HQ: Drighlington, United KingdomReported employees: 51-200 | Drighlington, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We are a leading provider of Fibre Management Products and Services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AFL Méxicoaflglobal.comHQ: Apodaca, MexicoReported employees: 1,001-5,000 | Apodaca, Mexico | 1,001-5,000 | Exact match | 58 contacts → |
“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…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fiberdyne Labsfiberdyne.com HQ: Frankfort, NY, United StatesReported employees: 51-200 | Frankfort, NY, United States | 51-200 | Exact match | 51 contacts → |
“Fiberdyne Labs, Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Optoplexoptoplex.comHQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 47 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Fastech Telecommunicationsfastech-india.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 45 contacts → |
“Fastech Telecommunications is a leading provider of telecommunications test and measurement solutions in India.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sedi-Ati By Fiber Optics Groupsedi-ati.comHQ: Evry-courcouronnes, FranceReported employees: 51-200 | Evry-courcouronnes, France | 51-200 | Exact match | 43 contacts → |
“SEDI-ATI by Fiber Optics Group has been a subsidiary of Fiber Optics Group (FOG) since 2023.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SUMIXsumix.com HQ: Oceanside, CA, United StatesReported employees: 51-200 | Oceanside, CA, United States | 51-200 | Exact match | 43 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NIA Fiberniafiber.com HQ: Nairobi, KenyaReported employees: 51-200 | Nairobi, Kenya | 51-200 | Exact match | 40 contacts → |
“Our technological heritage includes the first to market offerings for many of the fiber optic products that meet today’s industry standards.As broadband networks are being…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 737 company matches
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Fiber optic test sources suppliers: dataset insights
October 25, 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
733 records in the displayed employee bands.
4 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 737 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 25, 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 test sources suppliers by location
5 lists · largest firstEvery Fiber optic test sources suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for fiber optic test sources 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 fiber optic test sources suppliers did RevenueBase find worldwide?
The saved snapshot records 737 matching company records, 13,430 tracked contacts and 1,995 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 25, 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 fiber optic test sources suppliers worldwide. Snapshot: October 25, 2026. https://revenuebase.ai/companies/browse/fiber-optic-test-sources-suppliers.
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 test sources suppliers worldwide
RevenueBase records 737 matching company records for fiber optic test sources suppliers worldwide, with 13,430 tracked contacts and 1,995 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 25, 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 test sources 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | OFSofsoptics.com HQ: Norcross, GA, United StatesReported employees: 1,001-5,000 | Norcross, GA, United States | 1,001-5,000 | Exact match | 819 contacts → |
“OFS is a world-leading innovator, manufacturer and provider of infrastructure solutions for communication networks and specialty fiber optic products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 501 contacts → |
“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Luna Innovationslunainc.com HQ: Blacksburg, VA, United StatesReported employees: 201-500 | Blacksburg, VA, United States | 201-500 | Exact match | 355 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clearfieldseeclearfield.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 272 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fibrainfibrain.com HQ: Głogów Małopolski, PolandReported employees: 501-1,000 | Głogów Małopolski, Poland | 501-1,000 | Exact match | 219 contacts → |
“FIBRAIN Group is the Polish leader and the leading manufacturer in the field of ICT systems, fiber optic telecommunications and FTTH solutions.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | OZ Optics LTDozoptics.com HQ: Ottawa, ON, CanadaReported employees: 201-500 | Ottawa, ON, Canada | 201-500 | Exact match | 199 contacts → |
“OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fiber Instrument Sales, INCfiberinstrumentsales.com HQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 147 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Amphenol Fiber Systems Internationalfibersystems.com HQ: Allen, TX, United StatesReported employees: 201-500 | Allen, TX, United States | 201-500 | Exact match | 111 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Weinert Fiber Optics INCweinert-industries.com HQ: Williamsburg, VA, United StatesReported employees: 51-200 | Williamsburg, VA, United States | 51-200 | Exact match | 99 contacts → |
“WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | FCAfca.com.pl HQ: Niepołomice, PolandReported employees: 51-200 | Niepołomice, Poland | 51-200 | Exact match | 93 contacts → |
“FCA S.A.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sunrise Telecomveexinc.com HQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 91 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fiber Optic Centerfocenter.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 83 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tempo Communications, INCtempocom.com HQ: Vista, CA, United StatesReported employees: 51-200 | Vista, CA, United States | 51-200 | Exact match | 70 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Trend Networkstrend-networks.com HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 65 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Splicegroupsplicegroup.com HQ: Drighlington, United KingdomReported employees: 51-200 | Drighlington, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We are a leading provider of Fibre Management Products and Services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AFL Méxicoaflglobal.com HQ: Apodaca, MexicoReported employees: 1,001-5,000 | Apodaca, Mexico | 1,001-5,000 | Exact match | 58 contacts → |
“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…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fiberdyne Labsfiberdyne.com HQ: Frankfort, NY, United StatesReported employees: 51-200 | Frankfort, NY, United States | 51-200 | Exact match | 51 contacts → |
“Fiberdyne Labs, Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Optoplexoptoplex.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 47 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Fastech Telecommunicationsfastech-india.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 45 contacts → |
“Fastech Telecommunications is a leading provider of telecommunications test and measurement solutions in India.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sedi-Ati By Fiber Optics Groupsedi-ati.com HQ: Evry-courcouronnes, FranceReported employees: 51-200 | Evry-courcouronnes, France | 51-200 | Exact match | 43 contacts → |
“SEDI-ATI by Fiber Optics Group has been a subsidiary of Fiber Optics Group (FOG) since 2023.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SUMIXsumix.com HQ: Oceanside, CA, United StatesReported employees: 51-200 | Oceanside, CA, United States | 51-200 | Exact match | 43 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 · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NIA Fiberniafiber.com HQ: Nairobi, KenyaReported employees: 51-200 | Nairobi, Kenya | 51-200 | Exact match | 40 contacts → |
“Our technological heritage includes the first to market offerings for many of the fiber optic products that meet today’s industry standards.As broadband networks are being…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Fiber optic test sources suppliers: dataset insights
October 25, 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
733 records in the displayed employee bands.
4 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 737 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 25, 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 test sources suppliers by location
5 lists · largest firstEvery Fiber optic test sources suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for fiber optic test sources 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 fiber optic test sources suppliers did RevenueBase find worldwide?
The saved snapshot records 737 matching company records, 13,430 tracked contacts and 1,995 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 25, 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 fiber optic test sources suppliers worldwide. Snapshot: October 25, 2026. https://revenuebase.ai/companies/browse/fiber-optic-test-sources-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗