Company lists · Data refreshed November 2026

Top 25 Optical test equipment companies worldwide

RevenueBase identified 1,395 company matches for optical test equipment companies worldwide as of November 2026 and tracks 39,220 professional contacts across them, including 9,196 with verified work emails. China is the largest market and Shenzhen the largest hub.

This list covers company matches for optical test equipment companies 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 companies 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
1,395Companies
39,220Contacts tracked
9,196Verified emails
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The 25 largest optical test equipment companies worldwide

Ranked by team size
Top 25 of 1,395 company matches for optical test equipment companies 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 matchAustin, TX, United StatesHQ recorded Nov 6, 20265,001-10,0007,474 contacts →

Exact match

“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.”

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 matchBeaverton, OR, United StatesHQ recorded Nov 6, 20261,001-5,0003,680 contacts →

Exact match

“We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAtsugi-shi, JapanHQ recorded Nov 6, 20261,001-5,0001,522 contacts →

Exact match

“Since 1895 Anritsu has been leading the way as a pioneer in information communications equipment, contributing to the evolution and development of communications technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchCampinas, BrazilHQ recorded Nov 6, 2026501-1,000685 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
7Exact 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
8Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 20261,001-5,000629 contacts →

Exact match

“Lumentum has acquired Oclaro.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchPrerov, Czech RepublicHQ recorded Nov 6, 20261,001-5,000434 contacts →

Exact match

“Meopta is a trusted global partner in high-precision optical, opto-mechanical and opto-electronic solutions, serving some of the world's most demanding industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact 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
14Exact matchZhubei, TaiwanHQ recorded Nov 6, 20261,001-5,000263 contacts →

Exact match

“Founded in 1995 and headquartered in Hsinchu, Taiwan, MPI Corporation is a global technology leader in test and measurement solutions spanning the full integrated-circuit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact 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
17Exact 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
18Exact matchOriskany, NY, United StatesHQ recorded Nov 6, 2026201-500153 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
19Exact 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
20Exact 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
21Exact matchTemecula, CA, United StatesHQ recorded Nov 6, 202651-200127 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchNorth Sutton, NH, United StatesHQ recorded Nov 6, 202651-200113 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact 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
25Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-50111 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

Showing 25 of 1,395 optical test equipment companies worldwide

See the full list, filter by size, metro and specialty, and access 9,196 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Optical test equipment companies worldwide at a glance

As of Nov 6, 2026
23.4%Verified-email coverage
28.1Average contacts per company
11-50Median size (employees)
5.9%Largest-city concentration · Shenzhen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
454
11-50
447
51-200
284
201-500
117
501-1,000
27
1,001-5,000
39
5,001-10,000
2
10001+
3

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 companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “optical test equipment companies” 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 9,196 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 companies by location

7 lists · largest first

Every Optical test equipment companies 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 test equipment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many optical test equipment companies are there worldwide?

RevenueBase identified 1,395 company matches for optical test equipment companies 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?

NI National Instruments 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 companies?

China leads with 357 companies, followed by the United States (237) and Germany (65). Every optical test equipment companies list by country and city is linked on this page.

Which city has the most optical test equipment companies?

Shenzhen leads with 83 company records, followed by Wuhan (15) and Nanjing (11).

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 9,196 professional contacts with verified work emails tracked across these 1,395 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.