Company lists · Data refreshed November 2026

Top 25 Optical testing equipment suppliers worldwide

RevenueBase identified 1,378 company matches for optical testing equipment suppliers worldwide as of November 2026 and tracks 30,043 professional contacts across them, including 7,888 with verified work emails. China is the largest market and Shenzhen the largest hub.

This list covers company matches for optical testing equipment 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 November 6, 2026. Country and city lists for optical testing equipment 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,378Companies
30,043Contacts tracked
7,888Verified emails
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The 25 largest optical testing equipment suppliers worldwide

Ranked by team size
Top 25 of 1,378 company matches for optical testing equipment suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchOberkochen, GermanyHQ recorded Nov 6, 202610001+7,368 contacts →

Exact match

“ZEISS is an internationally leading technology enterprise operating in the fields of optics and optoelectronics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a4,904 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
3Exact matchNewton, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,454 contacts →

Exact match

“Thorlabs is a leading designer and manufacturer of photonics equipment for research, manufacturing, and biomedical applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBarrington, United StatesHQ recorded Nov 6, 20261,001-5,000633 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
5Exact matchTaoyuan City, TaiwanHQ recorded Nov 6, 20261,001-5,000555 contacts →

Exact match

“Founded in 1984, Chroma ATE Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMiddlefield, CT, United StatesHQ recorded Nov 6, 2026501-1,000483 contacts →

Exact match

“Zygo is the global leader in the design and manufacture of advanced optical metrology systems and ultra-precise optical components and assemblies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWuhan, ChinaHQ recorded Nov 6, 20261,001-5,000449 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
8Exact matchIlminster, United KingdomHQ recorded Nov 6, 20261,001-5,000428 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
9Exact matchBlacksburg, VA, United StatesHQ recorded Nov 6, 2026201-500360 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
10Exact matchOntario, NY, United StatesHQ recorded Nov 6, 2026201-500266 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
11Exact matchWedel, GermanyHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

“TRIOPTICS – See the Difference Whenever optical performance plays a decisive role - our solutions make you see the difference.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOttawa, CanadaHQ recorded Nov 6, 2026201-500204 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
13Exact matchWest Henrietta, NY, United StatesHQ recorded Nov 6, 2026201-500189 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
14Exact matchHeerbrugg, SwitzerlandHQ recorded Nov 6, 2026501-1,000184 contacts →

Exact match

“SwissOptic AG is your partner of choice for the entire process chain of OEM optics, from concept to volume production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNagoya, JapanHQ recorded Nov 6, 2026201-500150 contacts →

Exact match

“Santec is a global photonics company and a leading manufacturer of Tunable Lasers, Optical Test and Measurement Products, Advanced Optical Components and biophotonics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOlching, GermanyHQ recorded Nov 6, 2026201-500133 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
17Exact matchMunich, GermanyHQ recorded Nov 6, 2026201-500122 contacts →

Exact match

“We bring quality to light.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRichardson, TX, United StatesHQ recorded Nov 6, 202651-200111 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
19Exact matchSarcedo, ItalyHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Officina Stellare SpA, headquartered in Sarcedo (Vicenza), and listed on the Euronext Growth Market (EGM) of the Italian Stock Exchange, is specialized in the design and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJena, GermanyHQ recorded Nov 6, 2026201-500106 contacts →

Exact match

“Get the total Coverage!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWilliamsburg, VA, United StatesHQ recorded Nov 6, 202651-200106 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
22Exact matchNew Bedford, MA, United StatesHQ recorded Nov 6, 202611-5089 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRamsey, NJ, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“The Difference You Can Measure Konica Minolta Sensing Americas provides advanced optical technology that precisely measures the elements of color and light.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchApeldoorn, NetherlandsHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“At Avantes, we are at the forefront of compact spectroscopy and fiber-optic innovation, delivering empowering solutions for various measurements and analyses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFremont, GA, United StatesHQ recorded Nov 6, 2026201-50073 contacts →

Exact match

“VeEX a communications Test and Measurement company, develops innovative Test Solutions for next generation telecommunication networks and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,378 optical testing equipment suppliers worldwide

See the full list, filter by size, metro and specialty, and access 7,888 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Optical testing equipment suppliers worldwide at a glance

As of Nov 6, 2026
26.3%Verified-email coverage
21.8Average contacts per company
11-50Median size (employees)
4.3%Largest-city concentration · Shenzhen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
488
11-50
449
51-200
262
201-500
107
501-1,000
20
1,001-5,000
21
5,001-10,000
2
10001+
2

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 testing equipment suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “optical testing equipment 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 7,888 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 testing equipment suppliers by location

7 lists · largest first

Every Optical testing equipment 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 “optical testing equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many optical testing equipment suppliers are there worldwide?

RevenueBase identified 1,378 company matches for optical testing equipment suppliers 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?

Zeiss Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most optical testing equipment suppliers?

China leads with 327 companies, followed by the United States (233) and India (85). Every optical testing equipment suppliers list by country and city is linked on this page.

Which city has the most optical testing equipment suppliers?

Shenzhen leads with 59 company records, followed by Nanjing (13) and Changchun (12).

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 7,888 professional contacts with verified work emails tracked across these 1,378 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.

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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.