Company lists · Data refreshed November 2026
Top 25 Optical test equipment distributors worldwide
RevenueBase identified 1,785 company matches for optical test equipment distributors worldwide as of November 2026 and tracks 27,554 professional contacts across them, including 4,706 with verified work emails. China is the largest market and Shenzhen the largest hub.
This list covers company matches for optical test equipment distributors 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 November 6, 2026. Country and city lists for optical test equipment distributors 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 optical test equipment distributors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,904 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 685 contacts → | ||||
Exact match “A reference for high-capacity optical transport technology and systems, Padtec offers an extensive product portfolio that meets the end-to-end demands - in transmission, optical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 633 contacts → | ||||
Exact match “Edmund Optics has been a leading supplier of precision optics and optical components since 1942, designing and manufacturing a wide array of multi-element optical lenses, lens…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 629 contacts → | ||||
Exact match “Lumentum has acquired Oclaro.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 555 contacts → | ||||
Exact match “Founded in 1984, Chroma ATE Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 514 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 449 contacts → | ||||
Exact match “Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 428 contacts → | ||||
Exact match “G&H is a world leader in optical designing, testing and manufacturing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 360 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 338 contacts → | ||||
Exact match “Source Photonics is a leading global provider of innovative and reliable technology that enables communications and data connectivity, in next-generation mobile and fixed-line…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 289 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 266 contacts → | ||||
Exact match “America's largest optics manufacturer, Optimax is on the cutting edge of future applications in space, high-energy lasers, and semiconductor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 204 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 203 contacts → | ||||
Exact match “temple are Ireland's leading distributor of Strucrured Cabling Systems, Fibre Optics, Wireless and Networking Products, Test Equipment, Comms Cabinets and Enclosures etc” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 189 contacts → | ||||
Exact match “Rochester Precision Optics (RPO) is a world-class vertically-integrated manufacturer of precision optical product solutions headquartered in the Greater Rochester, NY area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 185 contacts → | ||||
Exact match “Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 153 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 133 contacts → | ||||
Exact match “Since its establishment in 1982, LASER COMPONENTS has always defined itself as a solution provider for optical and optoelectronic technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 111 contacts → | ||||
Exact match “Founded in 1977, CI Systems has grown to include an Electro-Optics Test Systems division, a semiconductor division and a subsidiary in the electronic card assembly and inspection…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 111 contacts → | ||||
Exact match “A ARSITEC É uma empresa 100% brasileira, com atuação voltada para o segmento de telecomunicações.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 106 contacts → | ||||
Exact match “Get the total Coverage!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 106 contacts → | ||||
Exact match “WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 102 contacts → | ||||
Exact match “NIDEK S.A, filiale française du groupe, créée en 1988, emploie plus de 100 personnes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 101 contacts → | ||||
Exact match “A AsGa, teve sua origem nos grupos de pesquisas que desenvolveram as tecnologias de comunicações por fibras ópticas e de transmissão digital, apoiado, desde 1973, pela Telebrás.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 96 contacts → | ||||
Exact match “Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded in the RevenueBase company graph · Nov 6, 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 test equipment distributors”. 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 1,785 optical test equipment distributors worldwide
See the full list, filter by size, metro and specialty, and access 4,706 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Optical test equipment distributors worldwide at a glance
As of Nov 6, 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 optical test equipment distributors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “optical test equipment distributors” 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 4,706 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 November 6, 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.
Optical test equipment distributors by location
10 lists · largest firstEvery Optical test equipment distributors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Optical test equipment distributors based in China405
- Optical test equipment distributors based in the United States286
- Optical test equipment distributors based in India109
- Optical test equipment distributors based in the United Kingdom91
- Optical test equipment distributors based in Brazil60
- Optical test equipment distributors based in France51
- Optical test equipment distributors based in Germany48
- Optical test equipment distributors based in Spain27
- Optical test equipment distributors based in Canada25
- Optical test equipment distributors based in Taiwan25
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 test equipment distributors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many optical test equipment distributors are there worldwide?
RevenueBase identified 1,785 company matches for optical test equipment distributors worldwide as of November 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 optical test equipment distributors?
China leads with 405 companies, followed by the United States (286) and India (109). Every optical test equipment distributors list by country and city is linked on this page.
Which city has the most optical test equipment distributors?
Shenzhen leads with 135 company records, followed by Wuhan (18) and Sao Paulo (15).
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 4,706 professional contacts with verified work emails tracked across these 1,785 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,785 optical test equipment distributors 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 optical test equipment distributors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,785 matching company records for optical test equipment distributors worldwide, with 27,554 tracked contacts and 4,706 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: November 6, 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 test equipment distributors 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.comHQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,904 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Padtec S Apadtec.com.brHQ: Campinas, BrazilReported employees: 501-1,000 | Campinas, Brazil | 501-1,000 | Exact match | 685 contacts → |
“A reference for high-capacity optical transport technology and systems, Padtec offers an extensive product portfolio that meets the end-to-end demands - in transmission, optical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Edmund Opticsedmundoptics.comHQ: Barrington, United StatesReported employees: 1,001-5,000 | Barrington, United States | 1,001-5,000 | Exact match | 633 contacts → |
“Edmund Optics has been a leading supplier of precision optics and optical components since 1942, designing and manufacturing a wide array of multi-element optical lenses, lens…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Oclarolumentum.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 629 contacts → |
“Lumentum has acquired Oclaro.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Chroma ATE INCchromaate.comHQ: Taoyuan City, TaiwanReported employees: 1,001-5,000 | Taoyuan City, Taiwan | 1,001-5,000 | Exact match | 555 contacts → |
“Founded in 1984, Chroma ATE Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AOIao-inc.comHQ: Sugar Land, TX, United StatesReported employees: 1,001-5,000 | Sugar Land, TX, United States | 1,001-5,000 | Exact match | 514 contacts → |
“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  YOFCyofc.comHQ: Wuhan, ChinaReported employees: 1,001-5,000 | Wuhan, China | 1,001-5,000 | Exact match | 449 contacts → |
“Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  G&h Gooch & Housegogandh.comHQ: Ilminster, United KingdomReported employees: 1,001-5,000 | Ilminster, United Kingdom | 1,001-5,000 | Exact match | 428 contacts → |
“G&H is a world leader in optical designing, testing and manufacturing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Luna Innovationslunainc.comHQ: Blacksburg, VA, United StatesReported employees: 201-500 | Blacksburg, VA, United States | 201-500 | Exact match | 360 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Source Photonicssourcephotonics.comHQ: West Hills, United StatesReported employees: 501-1,000 | West Hills, United States | 501-1,000 | Exact match | 338 contacts → |
“Source Photonics is a leading global provider of innovative and reliable technology that enables communications and data connectivity, in next-generation mobile and fixed-line…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Clearfieldseeclearfield.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 289 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Optimax Systems, INCoptimaxsi.comHQ: Ontario, NY, United StatesReported employees: 201-500 | Ontario, NY, United States | 201-500 | Exact match | 266 contacts → |
“America's largest optics manufacturer, Optimax is on the cutting edge of future applications in space, high-energy lasers, and semiconductor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  OZ Optics LTDozoptics.comHQ: Ottawa, CanadaReported employees: 201-500 | Ottawa, Canada | 201-500 | Exact match | 204 contacts → |
“OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Templetemple.ieHQ: IrelandReported employees: Not recorded | Ireland | Not recorded | Exact match | 203 contacts → |
“temple are Ireland's leading distributor of Strucrured Cabling Systems, Fibre Optics, Wireless and Networking Products, Test Equipment, Comms Cabinets and Enclosures etc” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rochester Precision Opticsrpoptics.comHQ: West Henrietta, NY, United StatesReported employees: 201-500 | West Henrietta, NY, United States | 201-500 | Exact match | 189 contacts → |
“Rochester Precision Optics (RPO) is a world-class vertically-integrated manufacturer of precision optical product solutions headquartered in the Greater Rochester, NY area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Yofc Polironyofc.com.brHQ: Diadema, BrazilReported employees: 201-500 | Diadema, Brazil | 201-500 | Exact match | 185 contacts → |
“Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fiber Instrument Sales, INCfiberinstrumentsales.comHQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 153 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Laser Componentslasercomponents.comHQ: Olching, GermanyReported employees: 201-500 | Olching, Germany | 201-500 | Exact match | 133 contacts → |
“Since its establishment in 1982, LASER COMPONENTS has always defined itself as a solution provider for optical and optoelectronic technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  CI Systemsci-systems.comHQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 111 contacts → |
“Founded in 1977, CI Systems has grown to include an Electro-Optics Test Systems division, a semiconductor division and a subsidiary in the electronic card assembly and inspection…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Arsitecarsitec.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 111 contacts → |
“A ARSITEC É uma empresa 100% brasileira, com atuação voltada para o segmento de telecomunicações.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Goepel Electronicgoepel.comHQ: Jena, GermanyReported employees: 201-500 | Jena, Germany | 201-500 | Exact match | 106 contacts → |
“Get the total Coverage!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Weinert Fiber Optics INCweinert-industries.comHQ: Williamsburg, VA, United StatesReported employees: 51-200 | Williamsburg, VA, United States | 51-200 | Exact match | 106 contacts → |
“WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Nidek SA Francenidek.frHQ: Sucy-en-brie, FranceReported employees: 51-200 | Sucy-en-brie, France | 51-200 | Exact match | 102 contacts → |
“NIDEK S.A, filiale française du groupe, créée en 1988, emploie plus de 100 personnes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Asga S Aasga.com.brHQ: Paulinia, BrazilReported employees: 201-500 | Paulinia, Brazil | 201-500 | Exact match | 101 contacts → |
“A AsGa, teve sua origem nos grupos de pesquisas que desenvolveram as tecnologias de comunicações por fibras ópticas e de transmissão digital, apoiado, desde 1973, pela Telebrás.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sunrise Telecomveexinc.comHQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 96 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,785 company matches
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Optical test equipment distributors: dataset insights
November 6, 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
1,760 records in the displayed employee bands.
25 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 1,785 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: November 6, 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 ↗
Optical test equipment distributors by location
10 lists · largest firstEvery Optical test equipment distributors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Optical test equipment distributors based in China405
- Optical test equipment distributors based in the United States286
- Optical test equipment distributors based in India109
- Optical test equipment distributors based in the United Kingdom91
- Optical test equipment distributors based in Brazil60
- Optical test equipment distributors based in France51
- Optical test equipment distributors based in Germany48
- Optical test equipment distributors based in Spain27
- Optical test equipment distributors based in Canada25
- Optical test equipment distributors based in Taiwan25
Questions about this company list
What does Exact match mean for optical test equipment distributors?
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 test equipment distributors did RevenueBase find worldwide?
The saved snapshot records 1,785 matching company records, 27,554 tracked contacts and 4,706 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: November 6, 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 test equipment distributors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/optical-test-equipment-distributors.
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 optical test equipment distributors worldwide
RevenueBase records 1,785 matching company records for optical test equipment distributors worldwide, with 27,554 tracked contacts and 4,706 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: November 6, 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 test equipment distributors 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 | 4,904 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Padtec S Apadtec.com.br HQ: Campinas, BrazilReported employees: 501-1,000 | Campinas, Brazil | 501-1,000 | Exact match | 685 contacts → |
“A reference for high-capacity optical transport technology and systems, Padtec offers an extensive product portfolio that meets the end-to-end demands - in transmission, optical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Edmund Opticsedmundoptics.com HQ: Barrington, United StatesReported employees: 1,001-5,000 | Barrington, United States | 1,001-5,000 | Exact match | 633 contacts → |
“Edmund Optics has been a leading supplier of precision optics and optical components since 1942, designing and manufacturing a wide array of multi-element optical lenses, lens…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Oclarolumentum.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 629 contacts → |
“Lumentum has acquired Oclaro.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Chroma ATE INCchromaate.com HQ: Taoyuan City, TaiwanReported employees: 1,001-5,000 | Taoyuan City, Taiwan | 1,001-5,000 | Exact match | 555 contacts → |
“Founded in 1984, Chroma ATE Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 | 514 contacts → |
“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | YOFCyofc.com HQ: Wuhan, ChinaReported employees: 1,001-5,000 | Wuhan, China | 1,001-5,000 | Exact match | 449 contacts → |
“Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | G&h Gooch & Housegogandh.com HQ: Ilminster, United KingdomReported employees: 1,001-5,000 | Ilminster, United Kingdom | 1,001-5,000 | Exact match | 428 contacts → |
“G&H is a world leader in optical designing, testing and manufacturing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Luna Innovationslunainc.com HQ: Blacksburg, VA, United StatesReported employees: 201-500 | Blacksburg, VA, United States | 201-500 | Exact match | 360 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Source Photonicssourcephotonics.com HQ: West Hills, United StatesReported employees: 501-1,000 | West Hills, United States | 501-1,000 | Exact match | 338 contacts → |
“Source Photonics is a leading global provider of innovative and reliable technology that enables communications and data connectivity, in next-generation mobile and fixed-line…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Clearfieldseeclearfield.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 289 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Optimax Systems, INCoptimaxsi.com HQ: Ontario, NY, United StatesReported employees: 201-500 | Ontario, NY, United States | 201-500 | Exact match | 266 contacts → |
“America's largest optics manufacturer, Optimax is on the cutting edge of future applications in space, high-energy lasers, and semiconductor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | OZ Optics LTDozoptics.com HQ: Ottawa, CanadaReported employees: 201-500 | Ottawa, Canada | 201-500 | Exact match | 204 contacts → |
“OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Templetemple.ie HQ: IrelandReported employees: Not recorded | Ireland | Not recorded | Exact match | 203 contacts → |
“temple are Ireland's leading distributor of Strucrured Cabling Systems, Fibre Optics, Wireless and Networking Products, Test Equipment, Comms Cabinets and Enclosures etc” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rochester Precision Opticsrpoptics.com HQ: West Henrietta, NY, United StatesReported employees: 201-500 | West Henrietta, NY, United States | 201-500 | Exact match | 189 contacts → |
“Rochester Precision Optics (RPO) is a world-class vertically-integrated manufacturer of precision optical product solutions headquartered in the Greater Rochester, NY area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Yofc Polironyofc.com.br HQ: Diadema, BrazilReported employees: 201-500 | Diadema, Brazil | 201-500 | Exact match | 185 contacts → |
“Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fiber Instrument Sales, INCfiberinstrumentsales.com HQ: Oriskany, NY, United StatesReported employees: 201-500 | Oriskany, NY, United States | 201-500 | Exact match | 153 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Laser Componentslasercomponents.com HQ: Olching, GermanyReported employees: 201-500 | Olching, Germany | 201-500 | Exact match | 133 contacts → |
“Since its establishment in 1982, LASER COMPONENTS has always defined itself as a solution provider for optical and optoelectronic technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CI Systemsci-systems.com HQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 111 contacts → |
“Founded in 1977, CI Systems has grown to include an Electro-Optics Test Systems division, a semiconductor division and a subsidiary in the electronic card assembly and inspection…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Arsitecarsitec.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 111 contacts → |
“A ARSITEC É uma empresa 100% brasileira, com atuação voltada para o segmento de telecomunicações.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Goepel Electronicgoepel.com HQ: Jena, GermanyReported employees: 201-500 | Jena, Germany | 201-500 | Exact match | 106 contacts → |
“Get the total Coverage!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Weinert Fiber Optics INCweinert-industries.com HQ: Williamsburg, VA, United StatesReported employees: 51-200 | Williamsburg, VA, United States | 51-200 | Exact match | 106 contacts → |
“WEINERT Fiber Optics is an established leader with decades of unique fiber optic experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nidek SA Francenidek.fr HQ: Sucy-en-brie, FranceReported employees: 51-200 | Sucy-en-brie, France | 51-200 | Exact match | 102 contacts → |
“NIDEK S.A, filiale française du groupe, créée en 1988, emploie plus de 100 personnes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Asga S Aasga.com.br HQ: Paulinia, BrazilReported employees: 201-500 | Paulinia, Brazil | 201-500 | Exact match | 101 contacts → |
“A AsGa, teve sua origem nos grupos de pesquisas que desenvolveram as tecnologias de comunicações por fibras ópticas e de transmissão digital, apoiado, desde 1973, pela Telebrás.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sunrise Telecomveexinc.com HQ: Fremont, CA, United StatesReported employees: Not recorded | Fremont, CA, United States | Not recorded | Exact match | 96 contacts → |
“Sunrise Telecom® is a registered trademark of VeEX Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Optical test equipment distributors: dataset insights
November 6, 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
1,760 records in the displayed employee bands.
25 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 1,785 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: November 6, 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 ↗
Optical test equipment distributors by location
10 lists · largest firstEvery Optical test equipment distributors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Optical test equipment distributors based in China405
- Optical test equipment distributors based in the United States286
- Optical test equipment distributors based in India109
- Optical test equipment distributors based in the United Kingdom91
- Optical test equipment distributors based in Brazil60
- Optical test equipment distributors based in France51
- Optical test equipment distributors based in Germany48
- Optical test equipment distributors based in Spain27
- Optical test equipment distributors based in Canada25
- Optical test equipment distributors based in Taiwan25
Questions about this company list
What does Exact match mean for optical test equipment distributors?
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 test equipment distributors did RevenueBase find worldwide?
The saved snapshot records 1,785 matching company records, 27,554 tracked contacts and 4,706 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: November 6, 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 test equipment distributors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/optical-test-equipment-distributors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗