Company lists · Data refreshed October 2026
Top 25 Light meter calibration services based in the United States
RevenueBase identified 88 company matches for light meter calibration services associated with the United States as of October 2026 and tracks 1,265 professional contacts across them, including 486 with verified work emails. San Diego is the largest hub.
This list covers company matches for light meter calibration services 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 October 27, 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 light meter calibration services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 513 contacts → | ||||
Exact match “Micro Precision Calibration is a global leader offering customers around the world an easy path to instrument calibration services, standards compliance testing, equipment repair…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 2 | 90 contacts → | ||||
Exact match “Radian Research Company Overview Radian Research is a recognized world leader in Energy Reference Standards, Energy Meter Testing Systems, Current Transformer Testers, Meter Test…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 3 | 87 contacts → | ||||
Exact match “Essco Calibration Laboratory provides calibration services for a wide variety of commercial test equipment.Capabilities include electronic, mechanical, fiber-optic…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 4 | 35 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 · Oct 27, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “Electrical Test Instruments (ETI) is a leader in the calibration, repair, and sale of test and measurement equipment.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “Garber Metrology is a family owned business and has earned the Pennsylvania “Best Place to Work” title.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “Fluke Calibration is a leader in precision calibration instrumentation and software for electrical, temperature, pressure, flow and RF measurements.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 8 | 19 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 · Oct 27, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “American Gage is a leading metrology laboratory in Southern California serving the Life Science & Aerospace industry for over 50 years.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “F.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “ACR Technical Services has provided high end ISO 17025 calibration and environmental chamber repair services since 1993 in our state of the art metrology laboratory with over…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Precision Labs is a calibration service company operating in a accredited ISO 17025 quality environment.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “We shall provide superior calibration and repair services while continuously improving customer service and excellence in quality and reliability.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Coast To Coast Calibrations is a full-service company specializing in calibration services on-site or in-house.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Femto Scientific, where science is life and service is first, provides calibration expertise and lab products to Fortune 500 Pharmaceutical Companies, Biotech Companies, Research…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “JGI specializes in providing quality calibration, certification and inspection services including dimensional metrology, electrical calibration, pyrometry and more.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “KELI Labs is a trusted calibration partner for some of the world’s leading organizations across aviation, aerospace, defense, and manufacturing.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “Precision Calibration Systems "PCS" is a full service ISO/IEC 17025 Accredited calibration laboratory located in Morristown,Tennessee.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “Accura Calibration is a service-oriented calibration lab specializing in a wide range of measurement and test equipment.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “Calyx helps HTM’s improve the quality of patient care, reduce risks and contain the cost of healthcare.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Isotech is a world leader in temperature metrology.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “L.A.W.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “Instrument Calibration and Technical Services, Inc.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match “Serving as an asset to countless businesses in a variety of industries, Tru Cal International has specialized in test equipment calibration since 1992.” Recorded in the RevenueBase company graph · Oct 27, 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 “light meter calibration services”. 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 88 light meter calibration services based in the United States
See the full list, filter by size, metro and specialty, and access 486 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Light meter calibration services based in the United States at a glance
As of Oct 27, 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 88 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 “light meter calibration services” 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 486 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 October 27, 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 “light meter calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many light meter calibration services are there based in the United States?
RevenueBase identified 88 company matches for light meter calibration services associated with the United States as of October 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?
Micro Precision Calibration tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most light meter calibration services?
San Diego leads with 3 company records, followed by Colchester (2) and Dallas (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 486 professional contacts with verified work emails tracked across these 88 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 October 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 88 light meter calibration services based in the United States. Start with a free account, no credit card.
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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.
More company lists
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- Lists by location
- Lists A-Z
- New lists
- 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
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 light meter calibration services 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 88 matching company records for light meter calibration services based in the United States, with 1,265 tracked contacts and 486 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: October 27, 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 light meter calibration services 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 |  Micro Precision Calibrationmicroprecision.comHQ: Grass Valley, CA, United StatesReported employees: 201-500 | Grass Valley, CA, United States | 201-500 | Exact match | 513 contacts → |
“Micro Precision Calibration is a global leader offering customers around the world an easy path to instrument calibration services, standards compliance testing, equipment repair…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Radian Research, INCradianresearch.comHQ: Lafayette, IN, United StatesReported employees: 201-500 | Lafayette, IN, United States | 201-500 | Exact match | 90 contacts → |
“Radian Research Company Overview Radian Research is a recognized world leader in Energy Reference Standards, Energy Meter Testing Systems, Current Transformer Testers, Meter Test…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Essco Calibration Laboratoryesscolab.comHQ: Chelmsford, MA, United StatesReported employees: 51-200 | Chelmsford, MA, United States | 51-200 | Exact match | 87 contacts → |
“Essco Calibration Laboratory provides calibration services for a wide variety of commercial test equipment.Capabilities include electronic, mechanical, fiber-optic…” Recorded description excerpt · October 27, 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 | 35 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 · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ETI Precisionetiprecision.comHQ: Frederick, MD, United StatesReported employees: 51-200 | Frederick, MD, United States | 51-200 | Exact match | 33 contacts → |
“Electrical Test Instruments (ETI) is a leader in the calibration, repair, and sale of test and measurement equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Garber Metrologygarbermetrology.comHQ: Lititz, PA, United StatesReported employees: 11-50 | Lititz, PA, United States | 11-50 | Exact match | 30 contacts → |
“Garber Metrology is a family owned business and has earned the Pennsylvania “Best Place to Work” title.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fluke Calibrationflukecal.com HQ: Everett, WA, United StatesReported employees: 1,001-5,000 | Everett, WA, United States | 1,001-5,000 | Exact match | 22 contacts → |
“Fluke Calibration is a leader in precision calibration instrumentation and software for electrical, temperature, pressure, flow and RF measurements.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sapphire Technical Solutionssapphirests.com HQ: Pineville, NC, United StatesReported employees: 11-50 | Pineville, NC, United States | 11-50 | Exact match | 19 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 · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  American Gageamericangage.comHQ: Placentia, CA, United StatesReported employees: 11-50 | Placentia, CA, United States | 11-50 | Exact match | 16 contacts → |
“American Gage is a leading metrology laboratory in Southern California serving the Life Science & Aerospace industry for over 50 years.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | F. D. Hurka Metrologyfdhurka.com HQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 15 contacts → |
“F.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ACR Technical Servicesacrcorp.netHQ: Newport News, VA, United StatesReported employees: 11-50 | Newport News, VA, United States | 11-50 | Exact match | 13 contacts → |
“ACR Technical Services has provided high end ISO 17025 calibration and environmental chamber repair services since 1993 in our state of the art metrology laboratory with over…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Precision Labs Calibrationthecallab.com HQ: Palmdale, CA, United StatesReported employees: 11-50 | Palmdale, CA, United States | 11-50 | Exact match | 13 contacts → |
“Precision Labs is a calibration service company operating in a accredited ISO 17025 quality environment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hayes Instrument Servicehayesinstruments.com HQ: Billerica, MA, United StatesReported employees: 11-50 | Billerica, MA, United States | 11-50 | Exact match | 11 contacts → |
“We shall provide superior calibration and repair services while continuously improving customer service and excellence in quality and reliability.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Coast To Coast Calibrationsnbscalibrations.com HQ: Blaine, MN, United StatesReported employees: 11-50 | Blaine, MN, United States | 11-50 | Exact match | 10 contacts → |
“Coast To Coast Calibrations is a full-service company specializing in calibration services on-site or in-house.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Femto Scientificfemtoscientific.com HQ: Somerset, NJ, United StatesReported employees: 11-50 | Somerset, NJ, United States | 11-50 | Exact match | 9 contacts → |
“Femto Scientific, where science is life and service is first, provides calibration expertise and lab products to Fortune 500 Pharmaceutical Companies, Biotech Companies, Research…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Johnson Gage And Inspection, INCjgiquality.com HQ: Wichita, KS, United StatesReported employees: 11-50 | Wichita, KS, United States | 11-50 | Exact match | 8 contacts → |
“JGI specializes in providing quality calibration, certification and inspection services including dimensional metrology, electrical calibration, pyrometry and more.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | A & P Calibrations INCapcalibrations.com HQ: Pleasanton, CA, United StatesReported employees: 1-10 | Pleasanton, CA, United States | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Keli Labskelilabs.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 8 contacts → |
“KELI Labs is a trusted calibration partner for some of the world’s leading organizations across aviation, aerospace, defense, and manufacturing.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Precision Calibration Systems, LLCpcsllctn.com HQ: Morristown, TN, United StatesReported employees: 11-50 | Morristown, TN, United States | 11-50 | Exact match | 7 contacts → |
“Precision Calibration Systems "PCS" is a full service ISO/IEC 17025 Accredited calibration laboratory located in Morristown,Tennessee.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Accura Calibrationaccuracal.com HQ: Garland, TX, United StatesReported employees: 11-50 | Garland, TX, United States | 11-50 | Exact match | 7 contacts → |
“Accura Calibration is a service-oriented calibration lab specializing in a wide range of measurement and test equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Calyx Metrology Laboratorycalyxmet.com HQ: State College, PA, United StatesReported employees: 1-10 | State College, PA, United States | 1-10 | Exact match | 7 contacts → |
“Calyx helps HTM’s improve the quality of patient care, reduce risks and contain the cost of healthcare.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Isotech North Americaisotechna.com HQ: Colchester, VT, United StatesReported employees: 11-50 | Colchester, VT, United States | 11-50 | Exact match | 7 contacts → |
“Isotech is a world leader in temperature metrology.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | LAW Calibration LLClawcalibration.com HQ: Saco, ME, United StatesReported employees: 11-50 | Saco, ME, United States | 11-50 | Exact match | 7 contacts → |
“L.A.W.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Roanoke, VA, United StatesReported employees: 11-50 | Roanoke, VA, United States | 11-50 | Exact match | 6 contacts → |
“Instrument Calibration and Technical Services, Inc.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | TRU CAL International INCtrucal.com HQ: Bensenville, IL, United StatesReported employees: 1-10 | Bensenville, IL, United States | 1-10 | Exact match | 6 contacts → |
“Serving as an asset to countless businesses in a variety of industries, Tru Cal International has specialized in test equipment calibration since 1992.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Light meter calibration services: dataset insights
October 27, 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
88 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 88 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: October 27, 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 light meter calibration services?
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 light meter calibration services did RevenueBase find based in the United States?
The saved snapshot records 88 matching company records, 1,265 tracked contacts and 486 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: October 27, 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
Cite this list
RevenueBase Data Team. Top 25 light meter calibration services based in the United States. Snapshot: October 27, 2026. https://revenuebase.ai/companies/light-meter-calibration-services/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
- 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
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 light meter calibration services based in the United States
RevenueBase records 88 matching company records for light meter calibration services based in the United States, with 1,265 tracked contacts and 486 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: October 27, 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 light meter calibration services 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 | Micro Precision Calibrationmicroprecision.com HQ: Grass Valley, CA, United StatesReported employees: 201-500 | Grass Valley, CA, United States | 201-500 | Exact match | 513 contacts → |
“Micro Precision Calibration is a global leader offering customers around the world an easy path to instrument calibration services, standards compliance testing, equipment repair…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Radian Research, INCradianresearch.com HQ: Lafayette, IN, United StatesReported employees: 201-500 | Lafayette, IN, United States | 201-500 | Exact match | 90 contacts → |
“Radian Research Company Overview Radian Research is a recognized world leader in Energy Reference Standards, Energy Meter Testing Systems, Current Transformer Testers, Meter Test…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Essco Calibration Laboratoryesscolab.com HQ: Chelmsford, MA, United StatesReported employees: 51-200 | Chelmsford, MA, United States | 51-200 | Exact match | 87 contacts → |
“Essco Calibration Laboratory provides calibration services for a wide variety of commercial test equipment.Capabilities include electronic, mechanical, fiber-optic…” Recorded description excerpt · October 27, 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 | 35 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 · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ETI Precisionetiprecision.com HQ: Frederick, MD, United StatesReported employees: 51-200 | Frederick, MD, United States | 51-200 | Exact match | 33 contacts → |
“Electrical Test Instruments (ETI) is a leader in the calibration, repair, and sale of test and measurement equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Garber Metrologygarbermetrology.com HQ: Lititz, PA, United StatesReported employees: 11-50 | Lititz, PA, United States | 11-50 | Exact match | 30 contacts → |
“Garber Metrology is a family owned business and has earned the Pennsylvania “Best Place to Work” title.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fluke Calibrationflukecal.com HQ: Everett, WA, United StatesReported employees: 1,001-5,000 | Everett, WA, United States | 1,001-5,000 | Exact match | 22 contacts → |
“Fluke Calibration is a leader in precision calibration instrumentation and software for electrical, temperature, pressure, flow and RF measurements.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sapphire Technical Solutionssapphirests.com HQ: Pineville, NC, United StatesReported employees: 11-50 | Pineville, NC, United States | 11-50 | Exact match | 19 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 · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | American Gageamericangage.com HQ: Placentia, CA, United StatesReported employees: 11-50 | Placentia, CA, United States | 11-50 | Exact match | 16 contacts → |
“American Gage is a leading metrology laboratory in Southern California serving the Life Science & Aerospace industry for over 50 years.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | F. D. Hurka Metrologyfdhurka.com HQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 15 contacts → |
“F.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ACR Technical Servicesacrcorp.net HQ: Newport News, VA, United StatesReported employees: 11-50 | Newport News, VA, United States | 11-50 | Exact match | 13 contacts → |
“ACR Technical Services has provided high end ISO 17025 calibration and environmental chamber repair services since 1993 in our state of the art metrology laboratory with over…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Precision Labs Calibrationthecallab.com HQ: Palmdale, CA, United StatesReported employees: 11-50 | Palmdale, CA, United States | 11-50 | Exact match | 13 contacts → |
“Precision Labs is a calibration service company operating in a accredited ISO 17025 quality environment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hayes Instrument Servicehayesinstruments.com HQ: Billerica, MA, United StatesReported employees: 11-50 | Billerica, MA, United States | 11-50 | Exact match | 11 contacts → |
“We shall provide superior calibration and repair services while continuously improving customer service and excellence in quality and reliability.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Coast To Coast Calibrationsnbscalibrations.com HQ: Blaine, MN, United StatesReported employees: 11-50 | Blaine, MN, United States | 11-50 | Exact match | 10 contacts → |
“Coast To Coast Calibrations is a full-service company specializing in calibration services on-site or in-house.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Femto Scientificfemtoscientific.com HQ: Somerset, NJ, United StatesReported employees: 11-50 | Somerset, NJ, United States | 11-50 | Exact match | 9 contacts → |
“Femto Scientific, where science is life and service is first, provides calibration expertise and lab products to Fortune 500 Pharmaceutical Companies, Biotech Companies, Research…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Johnson Gage And Inspection, INCjgiquality.com HQ: Wichita, KS, United StatesReported employees: 11-50 | Wichita, KS, United States | 11-50 | Exact match | 8 contacts → |
“JGI specializes in providing quality calibration, certification and inspection services including dimensional metrology, electrical calibration, pyrometry and more.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | A & P Calibrations INCapcalibrations.com HQ: Pleasanton, CA, United StatesReported employees: 1-10 | Pleasanton, CA, United States | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Keli Labskelilabs.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 8 contacts → |
“KELI Labs is a trusted calibration partner for some of the world’s leading organizations across aviation, aerospace, defense, and manufacturing.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Precision Calibration Systems, LLCpcsllctn.com HQ: Morristown, TN, United StatesReported employees: 11-50 | Morristown, TN, United States | 11-50 | Exact match | 7 contacts → |
“Precision Calibration Systems "PCS" is a full service ISO/IEC 17025 Accredited calibration laboratory located in Morristown,Tennessee.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Accura Calibrationaccuracal.com HQ: Garland, TX, United StatesReported employees: 11-50 | Garland, TX, United States | 11-50 | Exact match | 7 contacts → |
“Accura Calibration is a service-oriented calibration lab specializing in a wide range of measurement and test equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Calyx Metrology Laboratorycalyxmet.com HQ: State College, PA, United StatesReported employees: 1-10 | State College, PA, United States | 1-10 | Exact match | 7 contacts → |
“Calyx helps HTM’s improve the quality of patient care, reduce risks and contain the cost of healthcare.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Isotech North Americaisotechna.com HQ: Colchester, VT, United StatesReported employees: 11-50 | Colchester, VT, United States | 11-50 | Exact match | 7 contacts → |
“Isotech is a world leader in temperature metrology.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | LAW Calibration LLClawcalibration.com HQ: Saco, ME, United StatesReported employees: 11-50 | Saco, ME, United States | 11-50 | Exact match | 7 contacts → |
“L.A.W.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Roanoke, VA, United StatesReported employees: 11-50 | Roanoke, VA, United States | 11-50 | Exact match | 6 contacts → |
“Instrument Calibration and Technical Services, Inc.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | TRU CAL International INCtrucal.com HQ: Bensenville, IL, United StatesReported employees: 1-10 | Bensenville, IL, United States | 1-10 | Exact match | 6 contacts → |
“Serving as an asset to countless businesses in a variety of industries, Tru Cal International has specialized in test equipment calibration since 1992.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Light meter calibration services: dataset insights
October 27, 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
88 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 88 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: October 27, 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 light meter calibration services?
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 light meter calibration services did RevenueBase find based in the United States?
The saved snapshot records 88 matching company records, 1,265 tracked contacts and 486 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: October 27, 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
Cite this list
RevenueBase Data Team. Top 25 light meter calibration services based in the United States. Snapshot: October 27, 2026. https://revenuebase.ai/companies/light-meter-calibration-services/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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