Company lists · Data refreshed September 2026
Top 18 Photometer manufacturers based in the United States
RevenueBase identified 33 company matches for photometer manufacturers associated with the United States as of September 2026 and tracks 1,014 professional contacts across them, including 383 with verified work emails. Hackettstown is the largest hub.
This list covers company matches for photometer manufacturers 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 September 30, 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 18 largest photometer manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 103 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 59 contacts → | ||||
Exact match “For over fifty years Rudolph has dedicated itself to manufacturing quality instruments and providing superior technical and service support.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 41 contacts → | ||||
Exact match “Ophir-Spiricon provides a complete line of laser measurement instrumentation, including power and energy meters, beam profilers, spectrum analyzers, and goniometric radiometers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “With over 60 years of experience in developing commercial light measurement instruments, Gamma Scientific is trusted by the world’s leading organizations to provide accurate and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 25 contacts → | ||||
Exact match “Turner Designs provides sensitive, reliable and easy-to-use fluorometers for environmental and industrial uses.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 18 contacts → | ||||
Exact match “Sapphire Technical Solutions is an ISO-17025 accredited photometric, radiometric and power efficiency testing laboratory as well as an equipment manufacturer.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “Since 1995, Sequoia Scientific, Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Since inventing the world’s first Solar Simulator in 1967, Solar Light Company, LLC has been a global leader in laboratory-grade light science instrumentation and testing…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 13 contacts → | ||||
Exact match “Spectro-UV produces cutting-edge, high-quality, industry-awarded ultraviolet lamps, radiometers, and diagnostic tools.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “Vektrex is the pioneer in the light emitting diode (LED) testing systems and solid-state lighting (SSL) marketplaces.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “L-K Industries: Setting the standard in the manufacturing of high quality products for the TIC industry since 1930 LK Industries is a Houston based manufacturer of high-quality…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Since 1984, PP Systems has been supplying quality, rugged and reliable instrumentation to customers throughout the world for high level research.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “See our sites: https://linktr.ee/bostonelectronics Boston Electronics Corporation (BEC) specializes in UV, visible, THz, and IR detectors, and signal processing electronics for…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Optronic Laboratories, LLC designs and manufactures high performance, optical radiation measurement systems, sphere sources, and calibration standards and services that improve…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Independent NVLAP Accredited Testing Laboratories for LM-79, ISTM (In-Situ), Photometrics (Photometry & IES Files), colorimetry and Electrical Measurements.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “The Company manufactures precision field portable optical light measurement instruments.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “ISO-CAL North America is a one-stop solar radiometer (sensor) calibration service provider.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Photovolt Instruments was incorporated on December 26th, 1939 in New York, New York.” Recorded in the RevenueBase company graph · Sep 30, 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 “photometer manufacturers”. 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 18 of 33 photometer manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 383 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Photometer manufacturers based in the United States at a glance
As of Sep 30, 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 33 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 “photometer manufacturers” 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 383 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 September 30, 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 “photometer manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many photometer manufacturers are there based in the United States?
RevenueBase identified 33 company matches for photometer manufacturers associated with the United States as of September 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?
Labsphere, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most photometer manufacturers?
Hackettstown leads with 2 company records, followed by Houston (2) and San Diego (2).
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 383 professional contacts with verified work emails tracked across these 33 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 September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 33 photometer manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Photometer manufacturers 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.
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Company intelligence · public preview
Top 18 photometer manufacturers 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 33 matching company records for photometer manufacturers based in the United States, with 1,014 tracked contacts and 383 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 18 photometer manufacturers 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 | Labsphere, INClabsphere.com HQ: North Sutton, NH, United StatesReported employees: 51-200 | North Sutton, NH, United States | 51-200 | Exact match | 103 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Rudolph Research Analyticalrudolphresearch.com HQ: Hackettstown, NJ, United StatesReported employees: 51-200 | Hackettstown, NJ, United States | 51-200 | Exact match | 59 contacts → |
“For over fifty years Rudolph has dedicated itself to manufacturing quality instruments and providing superior technical and service support.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ophir-Spiricon LLCophiropt.comHQ: North Logan, UT, United StatesReported employees: 51-200 | North Logan, UT, United States | 51-200 | Exact match | 41 contacts → |
“Ophir-Spiricon provides a complete line of laser measurement instrumentation, including power and energy meters, beam profilers, spectrum analyzers, and goniometric radiometers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gamma Scientificgamma-sci.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 37 contacts → |
“With over 60 years of experience in developing commercial light measurement instruments, Gamma Scientific is trusted by the world’s leading organizations to provide accurate and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Turner Designsturnerdesigns.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 25 contacts → |
“Turner Designs provides sensitive, reliable and easy-to-use fluorometers for environmental and industrial uses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sapphire Technical Solutionssapphirests.com HQ: Pineville, NC, United StatesReported employees: 11-50 | Pineville, NC, United States | 11-50 | Exact match | 18 contacts → |
“Sapphire Technical Solutions is an ISO-17025 accredited photometric, radiometric and power efficiency testing laboratory as well as an equipment manufacturer.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sequoia Scientific, INCsequoiasci.com HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 14 contacts → |
“Since 1995, Sequoia Scientific, Inc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Solar Light Company, LLCsolarlight.com HQ: Glenside, PA, United StatesReported employees: 11-50 | Glenside, PA, United States | 11-50 | Exact match | 14 contacts → |
“Since inventing the world’s first Solar Simulator in 1967, Solar Light Company, LLC has been a global leader in laboratory-grade light science instrumentation and testing…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Spectro-Uvspectro-uv.com HQ: Farmingdale, NY, United StatesReported employees: 51-200 | Farmingdale, NY, United States | 51-200 | Exact match | 13 contacts → |
“Spectro-UV produces cutting-edge, high-quality, industry-awarded ultraviolet lamps, radiometers, and diagnostic tools.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vektrexvektrex.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 9 contacts → |
“Vektrex is the pioneer in the light emitting diode (LED) testing systems and solid-state lighting (SSL) marketplaces.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | LK Industries Products LLClk-ind.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“L-K Industries: Setting the standard in the manufacturing of high quality products for the TIC industry since 1930 LK Industries is a Houston based manufacturer of high-quality…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PP Systems Internationalppsystems.com HQ: Amesbury, MA, United StatesReported employees: 11-50 | Amesbury, MA, United States | 11-50 | Exact match | 8 contacts → |
“Since 1984, PP Systems has been supplying quality, rugged and reliable instrumentation to customers throughout the world for high level research.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Boston Electronicsboselec.com HQ: Brookline, MA, United StatesReported employees: 1-10 | Brookline, MA, United States | 1-10 | Exact match | 8 contacts → |
“See our sites: https://linktr.ee/bostonelectronics Boston Electronics Corporation (BEC) specializes in UV, visible, THz, and IR detectors, and signal processing electronics for…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Optronic Laboratories, LLCoptroniclabs.com HQ: Orlando, FL, United StatesReported employees: 11-50 | Orlando, FL, United States | 11-50 | Exact match | 7 contacts → |
“Optronic Laboratories, LLC designs and manufactures high performance, optical radiation measurement systems, sphere sources, and calibration standards and services that improve…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lightlab Internationallightlabint.com HQ: Phoenix, AZ, United StatesReported employees: 11-50 | Phoenix, AZ, United States | 11-50 | Exact match | 3 contacts → |
“Independent NVLAP Accredited Testing Laboratories for LM-79, ISTM (In-Situ), Photometrics (Photometry & IES Files), colorimetry and Electrical Measurements.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Spectra Cine, INCspectracine.com HQ: Burbank, United StatesReported employees: 11-50 | Burbank, United States | 11-50 | Exact match | 2 contacts → |
“The Company manufactures precision field portable optical light measurement instruments.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Iso-Cal North America, LLCisocalnorthamerica.com HQ: Prescott, AZ, United StatesReported employees: 1-10 | Prescott, AZ, United States | 1-10 | Exact match | 2 contacts → |
“ISO-CAL North America is a one-stop solar radiometer (sensor) calibration service provider.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Photovolt Instruments, LLCphotovolt.com HQ: St Louis Park, MN, United StatesReported employees: 1-10 | St Louis Park, MN, United States | 1-10 | Exact match | 1 contacts → |
“Photovolt Instruments was incorporated on December 26th, 1939 in New York, New York.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 33 company matches
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Photometer manufacturers: dataset insights
September 30, 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
33 records in the displayed employee bands.
0 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 33 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: September 30, 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 photometer manufacturers?
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 photometer manufacturers did RevenueBase find based in the United States?
The saved snapshot records 33 matching company records, 1,014 tracked contacts and 383 verified emails. The public preview displays 18 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: September 30, 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
Photometer manufacturers by geography
Cite this list
RevenueBase Data Team. Top 18 photometer manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/photometer-manufacturers/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
- Photometer manufacturers based in Germany
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 18 photometer manufacturers based in the United States
RevenueBase records 33 matching company records for photometer manufacturers based in the United States, with 1,014 tracked contacts and 383 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 18 photometer manufacturers 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 | Labsphere, INClabsphere.com HQ: North Sutton, NH, United StatesReported employees: 51-200 | North Sutton, NH, United States | 51-200 | Exact match | 103 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Rudolph Research Analyticalrudolphresearch.com HQ: Hackettstown, NJ, United StatesReported employees: 51-200 | Hackettstown, NJ, United States | 51-200 | Exact match | 59 contacts → |
“For over fifty years Rudolph has dedicated itself to manufacturing quality instruments and providing superior technical and service support.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ophir-Spiricon LLCophiropt.com HQ: North Logan, UT, United StatesReported employees: 51-200 | North Logan, UT, United States | 51-200 | Exact match | 41 contacts → |
“Ophir-Spiricon provides a complete line of laser measurement instrumentation, including power and energy meters, beam profilers, spectrum analyzers, and goniometric radiometers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gamma Scientificgamma-sci.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 37 contacts → |
“With over 60 years of experience in developing commercial light measurement instruments, Gamma Scientific is trusted by the world’s leading organizations to provide accurate and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Turner Designsturnerdesigns.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 25 contacts → |
“Turner Designs provides sensitive, reliable and easy-to-use fluorometers for environmental and industrial uses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sapphire Technical Solutionssapphirests.com HQ: Pineville, NC, United StatesReported employees: 11-50 | Pineville, NC, United States | 11-50 | Exact match | 18 contacts → |
“Sapphire Technical Solutions is an ISO-17025 accredited photometric, radiometric and power efficiency testing laboratory as well as an equipment manufacturer.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sequoia Scientific, INCsequoiasci.com HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 14 contacts → |
“Since 1995, Sequoia Scientific, Inc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Solar Light Company, LLCsolarlight.com HQ: Glenside, PA, United StatesReported employees: 11-50 | Glenside, PA, United States | 11-50 | Exact match | 14 contacts → |
“Since inventing the world’s first Solar Simulator in 1967, Solar Light Company, LLC has been a global leader in laboratory-grade light science instrumentation and testing…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Spectro-Uvspectro-uv.com HQ: Farmingdale, NY, United StatesReported employees: 51-200 | Farmingdale, NY, United States | 51-200 | Exact match | 13 contacts → |
“Spectro-UV produces cutting-edge, high-quality, industry-awarded ultraviolet lamps, radiometers, and diagnostic tools.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vektrexvektrex.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 9 contacts → |
“Vektrex is the pioneer in the light emitting diode (LED) testing systems and solid-state lighting (SSL) marketplaces.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | LK Industries Products LLClk-ind.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“L-K Industries: Setting the standard in the manufacturing of high quality products for the TIC industry since 1930 LK Industries is a Houston based manufacturer of high-quality…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PP Systems Internationalppsystems.com HQ: Amesbury, MA, United StatesReported employees: 11-50 | Amesbury, MA, United States | 11-50 | Exact match | 8 contacts → |
“Since 1984, PP Systems has been supplying quality, rugged and reliable instrumentation to customers throughout the world for high level research.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Boston Electronicsboselec.com HQ: Brookline, MA, United StatesReported employees: 1-10 | Brookline, MA, United States | 1-10 | Exact match | 8 contacts → |
“See our sites: https://linktr.ee/bostonelectronics Boston Electronics Corporation (BEC) specializes in UV, visible, THz, and IR detectors, and signal processing electronics for…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Optronic Laboratories, LLCoptroniclabs.com HQ: Orlando, FL, United StatesReported employees: 11-50 | Orlando, FL, United States | 11-50 | Exact match | 7 contacts → |
“Optronic Laboratories, LLC designs and manufactures high performance, optical radiation measurement systems, sphere sources, and calibration standards and services that improve…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lightlab Internationallightlabint.com HQ: Phoenix, AZ, United StatesReported employees: 11-50 | Phoenix, AZ, United States | 11-50 | Exact match | 3 contacts → |
“Independent NVLAP Accredited Testing Laboratories for LM-79, ISTM (In-Situ), Photometrics (Photometry & IES Files), colorimetry and Electrical Measurements.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Spectra Cine, INCspectracine.com HQ: Burbank, United StatesReported employees: 11-50 | Burbank, United States | 11-50 | Exact match | 2 contacts → |
“The Company manufactures precision field portable optical light measurement instruments.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Iso-Cal North America, LLCisocalnorthamerica.com HQ: Prescott, AZ, United StatesReported employees: 1-10 | Prescott, AZ, United States | 1-10 | Exact match | 2 contacts → |
“ISO-CAL North America is a one-stop solar radiometer (sensor) calibration service provider.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Photovolt Instruments, LLCphotovolt.com HQ: St Louis Park, MN, United StatesReported employees: 1-10 | St Louis Park, MN, United States | 1-10 | Exact match | 1 contacts → |
“Photovolt Instruments was incorporated on December 26th, 1939 in New York, New York.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Photometer manufacturers: dataset insights
September 30, 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
33 records in the displayed employee bands.
0 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 33 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: September 30, 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 photometer manufacturers?
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 photometer manufacturers did RevenueBase find based in the United States?
The saved snapshot records 33 matching company records, 1,014 tracked contacts and 383 verified emails. The public preview displays 18 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: September 30, 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
Photometer manufacturers by geography
Cite this list
RevenueBase Data Team. Top 18 photometer manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/photometer-manufacturers/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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