Company lists · Data refreshed November 2026
Top 25 Photonics testing companies based in the United States
RevenueBase identified 205 company matches for photonics testing companies associated with the United States as of November 2026 and tracks 22,665 professional contacts across them, including 6,572 with verified work emails. Rochester is the largest hub.
This list covers company matches for photonics testing companies associated with the United States, 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.
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 photonics testing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,474 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 | |||||
| 2 | 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 | |||||
| 3 | 1,639 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 | |||||
| 4 | 1,454 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 | |||||
| 5 | 777 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 | |||||
| 6 | 718 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 | |||||
| 7 | 629 contacts → | ||||
Exact match “Lumentum has acquired Oclaro.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 116 contacts → | ||||
Exact match “DRS Daylight Solutions, a line of business under Leonardo DRS, provides photonics solutions to researchers, industry allies, and system manufacturers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 113 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 102 contacts → | ||||
Exact match “Based in the USA with teams around the world, Go!Foton is at the forefront of advanced optical and photonics innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 100 contacts → | ||||
Exact match “Phase Sensitive Innovations (PSI) is a privately owned company specializing in millimeter wave (mmW) imaging technology, systems, and components.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 94 contacts → | ||||
Exact match “At Energetiq, we understand how to achieve high-brightness light generation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 94 contacts → | ||||
Exact match “Syntec Optics (Nasdaq: OPTX) is an American optics and photonics manufacturing company located in Rochester, NY.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 89 contacts → | ||||
Exact match “We are the leading global provider of innovative optoelectronics and electronics solutions for leading aerospace and defense, medical and life sciences, and industrial OEMs that…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 89 contacts → | ||||
Exact match “B.E.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 74 contacts → | ||||
Exact match “DiCon Fiberoptics, Inc, is a well-established photonics technology company based in the San Francisco Bay Area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 73 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 | |||||
| 21 | 69 contacts → | ||||
Exact match “Santa Barbara Infrared designs and manufactures the most technologically advanced infrared and electro-optical test instrumentation available.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 65 contacts → | ||||
Exact match “Founded in 1984, Chroma ATE, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 49 contacts → | ||||
Exact match “With over 40 years of experience in optics, Optikos provides hands-on engineering expertise with the nimble mindset of a tech startup.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 48 contacts → | ||||
Exact match “The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 47 contacts → | ||||
Exact match “At GPD Optoelectronics, we're committed to upholding the highest standards of integrity and trust, which fuels our ongoing pursuit of excellence and fosters strong, lasting…” 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 “photonics testing companies”. 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 205 photonics testing companies based in the United States
See the full list, filter by size, metro and specialty, and access 6,572 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Photonics testing companies based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 205 companies.
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.
- What qualifies
- Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 6,572 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.
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 based in the United States?
RevenueBase identified 205 company matches for photonics testing companies associated with the United States 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 city has the most photonics testing companies?
Rochester leads with 7 company records, followed by San Diego (6) and Tucson (5).
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 6,572 professional contacts with verified work emails tracked across these 205 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 205 photonics testing companies based in the United States. Start with a free account, no credit card.
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Photonics testing companies by geography
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Photonics testing companies based in Canada
- Photonics testing companies based in France
- Photonics testing companies based in Germany
- Photonics testing companies based in India
- Photonics testing companies based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 photonics testing companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 205 matching company records for photonics testing companies based in the United States, with 22,665 tracked contacts and 6,572 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 photonics testing companies based in the United States
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 |  NI National Instrumentsni.comHQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 7,474 contacts → |
“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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. | |||||
| 3 |  Formfactor INCformfactor.comHQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 1,639 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Thorlabsthorlabs.comHQ: Newton, NJ, United StatesReported employees: 1,001-5,000 | Newton, NJ, United States | 1,001-5,000 | Exact match | 1,454 contacts → |
“Thorlabs is a leading designer and manufacturer of photonics equipment for research, manufacturing, and biomedical applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Newport Corporationnewport.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 777 contacts → |
“Newport is a brand within the MKS Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Transcattranscat.comHQ: Rochester, NY, United StatesReported employees: 501-1,000 | Rochester, NY, United States | 501-1,000 | Exact match | 718 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  Daylight Solutionsdaylightsolutions.comHQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 116 contacts → |
“DRS Daylight Solutions, a line of business under Leonardo DRS, provides photonics solutions to researchers, industry allies, and system manufacturers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Labsphere, INClabsphere.comHQ: North Sutton, NH, United StatesReported employees: 51-200 | North Sutton, NH, United States | 51-200 | Exact match | 113 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  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. | |||||
| 13 |  GO Fotongofoton.comHQ: Somerset, NJ, United StatesReported employees: 501-1,000 | Somerset, NJ, United States | 501-1,000 | Exact match | 102 contacts → |
“Based in the USA with teams around the world, Go!Foton is at the forefront of advanced optical and photonics innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Phase Sensitive Innovations, INCphasesensitiveinc.comHQ: Newark, DE, United StatesReported employees: 51-200 | Newark, DE, United States | 51-200 | Exact match | 100 contacts → |
“Phase Sensitive Innovations (PSI) is a privately owned company specializing in millimeter wave (mmW) imaging technology, systems, and components.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Energetiq Technologyenergetiq.comHQ: Wilmington, MA, United StatesReported employees: 51-200 | Wilmington, MA, United States | 51-200 | Exact match | 94 contacts → |
“At Energetiq, we understand how to achieve high-brightness light generation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Syntec Opticssyntecoptics.comHQ: Rochester, NY, United StatesReported employees: 201-500 | Rochester, NY, United States | 201-500 | Exact match | 94 contacts → |
“Syntec Optics (Nasdaq: OPTX) is an American optics and photonics manufacturing company located in Rochester, NY.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  OSI Optoelectronicsosioptoelectronics.comHQ: Hawthorne, CA, United StatesReported employees: 1,001-5,000 | Hawthorne, CA, United States | 1,001-5,000 | Exact match | 89 contacts → |
“We are the leading global provider of innovative optoelectronics and electronics solutions for leading aerospace and defense, medical and life sciences, and industrial OEMs that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  B.E. Meyers & Co., INCbemeyers.comHQ: Redmond, WA, United StatesReported employees: 51-200 | Redmond, WA, United States | 51-200 | Exact match | 89 contacts → |
“B.E.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Dicon Fiberopticsdiconfiberoptics.comHQ: Richmond, CA, United StatesReported employees: 51-200 | Richmond, CA, United States | 51-200 | Exact match | 74 contacts → |
“DiCon Fiberoptics, Inc, is a well-established photonics technology company based in the San Francisco Bay Area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Veex INCveexinc.comHQ: Fremont, GA, United StatesReported employees: 201-500 | Fremont, GA, United States | 201-500 | Exact match | 73 contacts → |
“VeEX a communications Test and Measurement company, develops innovative Test Solutions for next generation telecommunication networks and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Santa Barbara Infrared, Inc.sbir.comHQ: Santa Barbara, CA, United StatesReported employees: 51-200 | Santa Barbara, CA, United States | 51-200 | Exact match | 69 contacts → |
“Santa Barbara Infrared designs and manufactures the most technologically advanced infrared and electro-optical test instrumentation available.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Chroma Ate, Inc. USAchromaus.comHQ: Irvine, AZ, United StatesReported employees: 51-200 | Irvine, AZ, United States | 51-200 | Exact match | 65 contacts → |
“Founded in 1984, Chroma ATE, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Optikos Corporationoptikos.com HQ: Wakefield, MA, United StatesReported employees: 51-200 | Wakefield, MA, United States | 51-200 | Exact match | 49 contacts → |
“With over 40 years of experience in optics, Optikos provides hands-on engineering expertise with the nimble mindset of a tech startup.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Optoplexoptoplex.comHQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 48 contacts → |
“The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  GPD Optoelectronics Corpgpd-ir.comHQ: Salem, NH, United StatesReported employees: 51-200 | Salem, NH, United States | 51-200 | Exact match | 47 contacts → |
“At GPD Optoelectronics, we're committed to upholding the highest standards of integrity and trust, which fuels our ongoing pursuit of excellence and fosters strong, lasting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 205 company matches
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Photonics testing companies: 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
204 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 205 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 ↗
Questions about this company list
What does Exact match mean for photonics testing companies?
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 photonics testing companies did RevenueBase find based in the United States?
The saved snapshot records 205 matching company records, 22,665 tracked contacts and 6,572 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.
Related lists
Photonics testing companies by geography
Cite this list
RevenueBase Data Team. Top 25 photonics testing companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/photonics-testing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Photonics testing companies based in Canada
- Photonics testing companies based in France
- Photonics testing companies based in Germany
- Photonics testing companies based in India
- Photonics testing companies based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 photonics testing companies based in the United States
RevenueBase records 205 matching company records for photonics testing companies based in the United States, with 22,665 tracked contacts and 6,572 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 photonics testing companies based in the United States
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 | NI National Instrumentsni.com HQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 7,474 contacts → |
“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | Formfactor INCformfactor.com HQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 1,639 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Thorlabsthorlabs.com HQ: Newton, NJ, United StatesReported employees: 1,001-5,000 | Newton, NJ, United States | 1,001-5,000 | Exact match | 1,454 contacts → |
“Thorlabs is a leading designer and manufacturer of photonics equipment for research, manufacturing, and biomedical applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Newport Corporationnewport.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 777 contacts → |
“Newport is a brand within the MKS Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Transcattranscat.com HQ: Rochester, NY, United StatesReported employees: 501-1,000 | Rochester, NY, United States | 501-1,000 | Exact match | 718 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | Daylight Solutionsdaylightsolutions.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 116 contacts → |
“DRS Daylight Solutions, a line of business under Leonardo DRS, provides photonics solutions to researchers, industry allies, and system manufacturers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Labsphere, INClabsphere.com HQ: North Sutton, NH, United StatesReported employees: 51-200 | North Sutton, NH, United States | 51-200 | Exact match | 113 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | 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. | |||||
| 13 | GO Fotongofoton.com HQ: Somerset, NJ, United StatesReported employees: 501-1,000 | Somerset, NJ, United States | 501-1,000 | Exact match | 102 contacts → |
“Based in the USA with teams around the world, Go!Foton is at the forefront of advanced optical and photonics innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Phase Sensitive Innovations, INCphasesensitiveinc.com HQ: Newark, DE, United StatesReported employees: 51-200 | Newark, DE, United States | 51-200 | Exact match | 100 contacts → |
“Phase Sensitive Innovations (PSI) is a privately owned company specializing in millimeter wave (mmW) imaging technology, systems, and components.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Energetiq Technologyenergetiq.com HQ: Wilmington, MA, United StatesReported employees: 51-200 | Wilmington, MA, United States | 51-200 | Exact match | 94 contacts → |
“At Energetiq, we understand how to achieve high-brightness light generation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Syntec Opticssyntecoptics.com HQ: Rochester, NY, United StatesReported employees: 201-500 | Rochester, NY, United States | 201-500 | Exact match | 94 contacts → |
“Syntec Optics (Nasdaq: OPTX) is an American optics and photonics manufacturing company located in Rochester, NY.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | OSI Optoelectronicsosioptoelectronics.com HQ: Hawthorne, CA, United StatesReported employees: 1,001-5,000 | Hawthorne, CA, United States | 1,001-5,000 | Exact match | 89 contacts → |
“We are the leading global provider of innovative optoelectronics and electronics solutions for leading aerospace and defense, medical and life sciences, and industrial OEMs that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | B.E. Meyers & Co., INCbemeyers.com HQ: Redmond, WA, United StatesReported employees: 51-200 | Redmond, WA, United States | 51-200 | Exact match | 89 contacts → |
“B.E.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Dicon Fiberopticsdiconfiberoptics.com HQ: Richmond, CA, United StatesReported employees: 51-200 | Richmond, CA, United States | 51-200 | Exact match | 74 contacts → |
“DiCon Fiberoptics, Inc, is a well-established photonics technology company based in the San Francisco Bay Area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Veex INCveexinc.com HQ: Fremont, GA, United StatesReported employees: 201-500 | Fremont, GA, United States | 201-500 | Exact match | 73 contacts → |
“VeEX a communications Test and Measurement company, develops innovative Test Solutions for next generation telecommunication networks and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Santa Barbara Infrared, Inc.sbir.com HQ: Santa Barbara, CA, United StatesReported employees: 51-200 | Santa Barbara, CA, United States | 51-200 | Exact match | 69 contacts → |
“Santa Barbara Infrared designs and manufactures the most technologically advanced infrared and electro-optical test instrumentation available.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Chroma Ate, Inc. USAchromaus.com HQ: Irvine, AZ, United StatesReported employees: 51-200 | Irvine, AZ, United States | 51-200 | Exact match | 65 contacts → |
“Founded in 1984, Chroma ATE, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Optikos Corporationoptikos.com HQ: Wakefield, MA, United StatesReported employees: 51-200 | Wakefield, MA, United States | 51-200 | Exact match | 49 contacts → |
“With over 40 years of experience in optics, Optikos provides hands-on engineering expertise with the nimble mindset of a tech startup.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Optoplexoptoplex.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 48 contacts → |
“The company designs, develops, manufactures, and markets innovative fiber-optic products to communications networks, and provides customized solutions to instrument, defense…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | GPD Optoelectronics Corpgpd-ir.com HQ: Salem, NH, United StatesReported employees: 51-200 | Salem, NH, United States | 51-200 | Exact match | 47 contacts → |
“At GPD Optoelectronics, we're committed to upholding the highest standards of integrity and trust, which fuels our ongoing pursuit of excellence and fosters strong, lasting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 205 company matches
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Photonics testing companies: 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
204 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 205 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 ↗
Questions about this company list
What does Exact match mean for photonics testing companies?
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 photonics testing companies did RevenueBase find based in the United States?
The saved snapshot records 205 matching company records, 22,665 tracked contacts and 6,572 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.
Related lists
Photonics testing companies by geography
Cite this list
RevenueBase Data Team. Top 25 photonics testing companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/photonics-testing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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