Company lists · Data refreshed November 2026

Top 25 Photonics testing companies worldwide

RevenueBase identified 1,002 company matches for photonics testing companies worldwide as of November 2026 and tracks 39,929 professional contacts across them, including 12,601 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for photonics testing 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 photonics testing 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
1,002Companies
39,929Contacts tracked
12,601Verified emails
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The 25 largest photonics testing companies worldwide

Ranked by team size
Top 25 of 1,002 company matches for photonics testing 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 matchSan Jose, United StatesHQ recorded Nov 6, 202610001+2,505 contacts →

Exact match

“Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPittsburgh, ON, United StatesHQ recorded Nov 6, 20265,001-10,0002,394 contacts →

Exact match

“Excelitas® is a leading provider of advanced, life-enriching technologies that make a difference, serving global market leaders in the MedTech, Life Sciences, Advanced Industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLivermore, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,639 contacts →

Exact match

“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 20261,001-5,000777 contacts →

Exact match

“Newport is a brand within the MKS Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRochester, NY, United StatesHQ recorded Nov 6, 2026501-1,000718 contacts →

Exact match

“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSt Asaph, OH, United KingdomHQ recorded Nov 6, 202610001+572 contacts →

Exact match

“In February 2025, Qioptiq was acquired by Teledyne Technologies Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact 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
13Exact 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
14Exact 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
15Exact 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
16Exact matchBirkerod, DenmarkHQ recorded Nov 6, 2026201-500221 contacts →

Exact match

“Technology has the power to transform our lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJena, GermanyHQ recorded Nov 6, 2026201-500211 contacts →

Exact match

“The Fraunhofer Institute for Applied Optics and Precision Engineering IOF in Jena, Germany, conducts applied research in the field of photonics and develops innovative optical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRennes, FranceHQ recorded Nov 6, 2026201-500210 contacts →

Exact match

“Founded in 2013, Cailabs designs, manufactures, and develops innovative photonic solutions for the space, industry (laser machining), telecommunications, and defense sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-500191 contacts →

Exact match

“Sürdürülebilirlik Ve Kalite Hizmet kalitemizin sürdürülebilirliğinin sağlanması en önemli sorumluluklarımızın başında gelmektedir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJena, GermanyHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“PHOTONICS FOR LIFE Photonics, the key light-based technology of the 21st century, is at the center of the Leibniz Institute of Photonic Technology’s (IPHT) research activities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAchim, GermanyHQ recorded Nov 6, 202651-200172 contacts →

Exact match

“Sustainable AI through Intelligent Manufacturing ficonTEC is a global leader in automated assembly and test systems for integrated photonic devices, enabling the industrialization…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-200155 contacts →

Exact match

“LABELO is the complex of Specialized Laboratories in Electro-Electronics of PUCRS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchGalway, IrelandHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“MBRYONICS designs, engineers, and manufactures optical payloads (optical communications and photonics) and optical ground stations for next generation extremely high throughput…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKista, IcelandHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Sivers Semiconductors is a critical enabler of a greener data economy with energy-efficient photonics & wireless solutions.”

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

Showing 25 of 1,002 photonics testing companies worldwide

See the full list, filter by size, metro and specialty, and access 12,601 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Photonics testing companies worldwide at a glance

As of Nov 6, 2026
31.6%Verified-email coverage
39.8Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Shenzhen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
393
11-50
311
51-200
175
201-500
55
501-1,000
13
1,001-5,000
34
5,001-10,000
2
10001+
7

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 photonics testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “photonics testing 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 12,601 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.

Photonics testing companies by location

6 lists · largest first

Every Photonics testing 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 “photonics testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many photonics testing companies are there worldwide?

RevenueBase identified 1,002 company matches for photonics testing 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 photonics testing companies?

The United States leads with 205 companies, followed by Germany (57) and India (48). Every photonics testing companies list by country and city is linked on this page.

Which city has the most photonics testing companies?

Shenzhen leads with 25 company records, followed by Singapore (13) and Ottawa (7).

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 12,601 professional contacts with verified work emails tracked across these 1,002 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.