Company lists · Data refreshed November 2026
Top 25 Time domain reflectometer (tdr) calibration services worldwide
RevenueBase identified 202 company matches for time domain reflectometer (tdr) calibration services worldwide as of November 2026 and tracks 1,994 professional contacts across them, including 322 with verified work emails. The United States is the largest market and Lima the largest hub.
This list covers company matches for time domain reflectometer (tdr) calibration services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 2, 2026. Country and city lists for time domain reflectometer (tdr) calibration services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest time domain reflectometer (tdr) calibration services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 · Nov 2, 2026 · View company records in RevenueBase | |||||
| 2 | 82 contacts → | ||||
Exact match “Precise calibration processes for the highest standards of quality and safety esz AG calibration & metrology is one of Europe’s leading calibration laboratories.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 3 | 68 contacts → | ||||
Exact match “Techmaster was established in 1989 with the mission to provide calibrations performed through sound, ethical workmanship and to accommodate customer satisfaction.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 4 | 40 contacts → | ||||
Exact match “Hi Tech Calibration Services is an independent calibration laboratory established in 2003 by focusing strongly and consistently with single minded dedication to quality and…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 5 | 38 contacts → | ||||
Exact match “Set and Gad is a provider of calibration services for measurement equipment in the pharmaceutical, life sciences, defense, manufacturing, power generation and other high-tech…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 6 | 34 contacts → | ||||
Exact match “Since its foundation in 1963, Tradinco Instruments designs, manufactures, distributes, repairs and calibrates high quality test and calibration equipment for industry and…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Nov 2, 2026 · View company records in RevenueBase | |||||
| 8 | 33 contacts → | ||||
Exact match “Cal-Cert has provided high quality, professional calibration services to the materials testing industry for over 40 years and is currently accredited to ISO/IEC17025 through IAS…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 9 | 30 contacts → | ||||
Exact match “Assurance Technologies, Inc.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 10 | 26 contacts → | ||||
Exact match “American Calibration Inc.(ACI), part of the Concept family of companies, is proudly expanding and has been serving the industry coast-to-coast for over 30 years.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “Zeal Manufacturing & Calibration Services Pvt.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “eumetron GmbH is a calibration laboratory based in Aalen, Baden-Württemberg, Germany.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Alpha Calibration Services Was formed in 2006 to provide a dedicated "On site" calibration service with unparalleled customer satisfaction.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Absolute Calibration is one of the UK's leading independent metrology companies offering you a complete solution for the calibration of your test and measurement instrumentation.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 16 | 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 · Nov 2, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “ISOLAB (Singapore) Pte Ltd is an ISO/IEC 17025 SAC-Singlas accredited laboratory providing testing and calibration services for temperature, pressure, humidity measuring…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Western States Calibration is a leading provider of consumer services based out Salt Lake City, Utah, specializing in the science of measurement.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Metron Measurement SA is an ISO/IEC 17025:2017 accredited calibration laboratory (SCS 0115) specialized in Dimensional, Electrical, Torque, and Force measurements.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 20 | 9 contacts → | ||||
Exact match “Flutech an ISO/IEC 17025:2005 NABL Accredited Laboratory, is a Specialty leader and Expert in Calibration and Services, in the field of Torque calibration, Pressure calibration…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Yodha Manufacturing & Equipment's Pvt Ltd is an ISO/IEC 17025 accredited laboratory.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “WILD Hi-Precision ist ein nach ÖVE/ÖNORM EN ISO/IEC 17025 von der Akkreditierung Austria akkreditiertes Kalibrierlabor.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 23 | 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 · Nov 2, 2026 · View company records in RevenueBase | |||||
| 24 | 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 · Nov 2, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “national standards of puerto rico is a company based out of Puerto Rico.” Recorded in the RevenueBase company graph · Nov 2, 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 “time domain reflectometer (tdr) 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 202 time domain reflectometer (tdr) calibration services worldwide
See the full list, filter by size, metro and specialty, and access 322 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Time domain reflectometer (tdr) calibration services worldwide at a glance
As of Nov 2, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for time domain reflectometer (tdr) calibration services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “time domain reflectometer (tdr) 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. 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 322 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 2, 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.
Time domain reflectometer (tdr) calibration services by location
1 lists · largest firstEvery Time domain reflectometer (tdr) calibration services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “time domain reflectometer (tdr) calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many time domain reflectometer (tdr) calibration services are there worldwide?
RevenueBase identified 202 company matches for time domain reflectometer (tdr) calibration services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Essco Calibration Laboratory tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most time domain reflectometer (tdr) calibration services?
The United States leads with 43 companies. Every time domain reflectometer (tdr) calibration services list by country and city is linked on this page.
Which city has the most time domain reflectometer (tdr) calibration services?
Lima leads with 4 company records, followed by Chennai (3) and Sao Paulo (3).
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 322 professional contacts with verified work emails tracked across these 202 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 2, 2026.
Ready to reach these companies? Verified emails and direct dials for all 202 time domain reflectometer (tdr) calibration services worldwide. 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.
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Company intelligence · public preview
Top 25 time domain reflectometer (tdr) calibration services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 202 matching company records for time domain reflectometer (tdr) calibration services worldwide, with 1,994 tracked contacts and 322 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 2, 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 time domain reflectometer (tdr) calibration services worldwide
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 |  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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ESZ AG Calibration & Metrologyesz-ag.deHQ: Eichenau, GermanyReported employees: 201-500 | Eichenau, Germany | 201-500 | Exact match | 82 contacts → |
“Precise calibration processes for the highest standards of quality and safety esz AG calibration & metrology is one of Europe’s leading calibration laboratories.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Techmaster Electronicstechmaster.us HQ: Vista, CA, United StatesReported employees: 11-50 | Vista, CA, United States | 11-50 | Exact match | 68 contacts → |
“Techmaster was established in 1989 with the mission to provide calibrations performed through sound, ethical workmanship and to accommodate customer satisfaction.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hitech Calibration Serviceshitechcalibration.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 40 contacts → |
“Hi Tech Calibration Services is an independent calibration laboratory established in 2003 by focusing strongly and consistently with single minded dedication to quality and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SET Y GAD S.A.Ssetgad.com HQ: Bogota, ColombiaReported employees: 51-200 | Bogota, Colombia | 51-200 | Exact match | 38 contacts → |
“Set and Gad is a provider of calibration services for measurement equipment in the pharmaceutical, life sciences, defense, manufacturing, power generation and other high-tech…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tradinco Instrumentstradinco.com HQ: Zoetermeer, NetherlandsReported employees: 11-50 | Zoetermeer, Netherlands | 11-50 | Exact match | 34 contacts → |
“Since its foundation in 1963, Tradinco Instruments designs, manufactures, distributes, repairs and calibrates high quality test and calibration equipment for industry and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cal-Certcal-cert.com HQ: Milwaukie, OR, United StatesReported employees: 11-50 | Milwaukie, OR, United States | 11-50 | Exact match | 33 contacts → |
“Cal-Cert has provided high quality, professional calibration services to the materials testing industry for over 40 years and is currently accredited to ISO/IEC17025 through IAS…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Assurance Technologiesatiquality.comHQ: Elgin, IL, United StatesReported employees: 11-50 | Elgin, IL, United States | 11-50 | Exact match | 30 contacts → |
“Assurance Technologies, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  American Calibrationamericancalibration.comHQ: Fox River Grove, IL, United StatesReported employees: 11-50 | Fox River Grove, IL, United States | 11-50 | Exact match | 26 contacts → |
“American Calibration Inc.(ACI), part of the Concept family of companies, is proudly expanding and has been serving the industry coast-to-coast for over 30 years.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Pune, IndiaReported employees: 11-50 | Pune, India | 11-50 | Exact match | 18 contacts → |
“Zeal Manufacturing & Calibration Services Pvt.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Eumetron Gmbheumetron.deHQ: Aalen, GermanyReported employees: 11-50 | Aalen, Germany | 11-50 | Exact match | 13 contacts → |
“eumetron GmbH is a calibration laboratory based in Aalen, Baden-Württemberg, Germany.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Alpha Calibration Services LTDalphacalibration.co.ukHQ: Wells, United KingdomReported employees: 1-10 | Wells, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Alpha Calibration Services Was formed in 2006 to provide a dedicated "On site" calibration service with unparalleled customer satisfaction.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Egemet Kalibrasyonegemet.com.tr HQ: Karacaoğlan, TürkiyeReported employees: 11-50 | Karacaoğlan, Türkiye | 11-50 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Absolute Calibrationabsolutecal.co.ukHQ: Fareham, United KingdomReported employees: 11-50 | Fareham, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Absolute Calibration is one of the UK's leading independent metrology companies offering you a complete solution for the calibration of your test and measurement instrumentation.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Isolab Singaporeisolab.com.sg HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 11 contacts → |
“ISOLAB (Singapore) Pte Ltd is an ISO/IEC 17025 SAC-Singlas accredited laboratory providing testing and calibration services for temperature, pressure, humidity measuring…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Western States Calibrationwesterncal.com HQ: Salt Lake City, UT, United StatesReported employees: 11-50 | Salt Lake City, UT, United States | 11-50 | Exact match | 10 contacts → |
“Western States Calibration is a leading provider of consumer services based out Salt Lake City, Utah, specializing in the science of measurement.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Metron Measurement LTDmetron-labo.ch HQ: Quartino, SwitzerlandReported employees: 11-50 | Quartino, Switzerland | 11-50 | Exact match | 9 contacts → |
“Metron Measurement SA is an ISO/IEC 17025:2017 accredited calibration laboratory (SCS 0115) specialized in Dimensional, Electrical, Torque, and Force measurements.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Flutech Engineering Pvt. Ltd. - Indiaflutech.in HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 9 contacts → |
“Flutech an ISO/IEC 17025:2005 NABL Accredited Laboratory, is a Specialty leader and Expert in Calibration and Services, in the field of Torque calibration, Pressure calibration…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Yodha Manufacturing & Equipment's PVT LTDyodhagroup.comHQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 8 contacts → |
“Yodha Manufacturing & Equipment's Pvt Ltd is an ISO/IEC 17025 accredited laboratory.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wild Hi-Precisionhi-precision.at HQ: Völkermarkt, AustriaReported employees: 11-50 | Völkermarkt, Austria | 11-50 | Exact match | 7 contacts → |
“WILD Hi-Precision ist ein nach ÖVE/ÖNORM EN ISO/IEC 17025 von der Akkreditierung Austria akkreditiertes Kalibrierlabor.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | National Standards Of Puerto Riconsprlab.com HQ: Puerto RicoReported employees: 11-50 | Puerto Rico | 11-50 | Exact match | 7 contacts → |
“national standards of puerto rico is a company based out of Puerto Rico.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 202 company matches
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Time domain reflectometer (tdr) calibration services: dataset insights
November 2, 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
201 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 202 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 2, 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 ↗
Time domain reflectometer (tdr) calibration services by location
1 lists · largest firstEvery Time domain reflectometer (tdr) calibration services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for time domain reflectometer (tdr) 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 time domain reflectometer (tdr) calibration services did RevenueBase find worldwide?
The saved snapshot records 202 matching company records, 1,994 tracked contacts and 322 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 2, 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.
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Cite this list
RevenueBase Data Team. Top 25 time domain reflectometer (tdr) calibration services worldwide. Snapshot: November 2, 2026. https://revenuebase.ai/companies/browse/time-domain-reflectometer-tdr-calibration-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 time domain reflectometer (tdr) calibration services worldwide
RevenueBase records 202 matching company records for time domain reflectometer (tdr) calibration services worldwide, with 1,994 tracked contacts and 322 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 2, 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 time domain reflectometer (tdr) calibration services worldwide
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 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ESZ AG Calibration & Metrologyesz-ag.de HQ: Eichenau, GermanyReported employees: 201-500 | Eichenau, Germany | 201-500 | Exact match | 82 contacts → |
“Precise calibration processes for the highest standards of quality and safety esz AG calibration & metrology is one of Europe’s leading calibration laboratories.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Techmaster Electronicstechmaster.us HQ: Vista, CA, United StatesReported employees: 11-50 | Vista, CA, United States | 11-50 | Exact match | 68 contacts → |
“Techmaster was established in 1989 with the mission to provide calibrations performed through sound, ethical workmanship and to accommodate customer satisfaction.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hitech Calibration Serviceshitechcalibration.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 40 contacts → |
“Hi Tech Calibration Services is an independent calibration laboratory established in 2003 by focusing strongly and consistently with single minded dedication to quality and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SET Y GAD S.A.Ssetgad.com HQ: Bogota, ColombiaReported employees: 51-200 | Bogota, Colombia | 51-200 | Exact match | 38 contacts → |
“Set and Gad is a provider of calibration services for measurement equipment in the pharmaceutical, life sciences, defense, manufacturing, power generation and other high-tech…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tradinco Instrumentstradinco.com HQ: Zoetermeer, NetherlandsReported employees: 11-50 | Zoetermeer, Netherlands | 11-50 | Exact match | 34 contacts → |
“Since its foundation in 1963, Tradinco Instruments designs, manufactures, distributes, repairs and calibrates high quality test and calibration equipment for industry and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cal-Certcal-cert.com HQ: Milwaukie, OR, United StatesReported employees: 11-50 | Milwaukie, OR, United States | 11-50 | Exact match | 33 contacts → |
“Cal-Cert has provided high quality, professional calibration services to the materials testing industry for over 40 years and is currently accredited to ISO/IEC17025 through IAS…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Assurance Technologiesatiquality.com HQ: Elgin, IL, United StatesReported employees: 11-50 | Elgin, IL, United States | 11-50 | Exact match | 30 contacts → |
“Assurance Technologies, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | American Calibrationamericancalibration.com HQ: Fox River Grove, IL, United StatesReported employees: 11-50 | Fox River Grove, IL, United States | 11-50 | Exact match | 26 contacts → |
“American Calibration Inc.(ACI), part of the Concept family of companies, is proudly expanding and has been serving the industry coast-to-coast for over 30 years.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Pune, IndiaReported employees: 11-50 | Pune, India | 11-50 | Exact match | 18 contacts → |
“Zeal Manufacturing & Calibration Services Pvt.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Eumetron Gmbheumetron.de HQ: Aalen, GermanyReported employees: 11-50 | Aalen, Germany | 11-50 | Exact match | 13 contacts → |
“eumetron GmbH is a calibration laboratory based in Aalen, Baden-Württemberg, Germany.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Alpha Calibration Services LTDalphacalibration.co.uk HQ: Wells, United KingdomReported employees: 1-10 | Wells, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Alpha Calibration Services Was formed in 2006 to provide a dedicated "On site" calibration service with unparalleled customer satisfaction.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Egemet Kalibrasyonegemet.com.tr HQ: Karacaoğlan, TürkiyeReported employees: 11-50 | Karacaoğlan, Türkiye | 11-50 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Absolute Calibrationabsolutecal.co.uk HQ: Fareham, United KingdomReported employees: 11-50 | Fareham, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Absolute Calibration is one of the UK's leading independent metrology companies offering you a complete solution for the calibration of your test and measurement instrumentation.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Isolab Singaporeisolab.com.sg HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 11 contacts → |
“ISOLAB (Singapore) Pte Ltd is an ISO/IEC 17025 SAC-Singlas accredited laboratory providing testing and calibration services for temperature, pressure, humidity measuring…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Western States Calibrationwesterncal.com HQ: Salt Lake City, UT, United StatesReported employees: 11-50 | Salt Lake City, UT, United States | 11-50 | Exact match | 10 contacts → |
“Western States Calibration is a leading provider of consumer services based out Salt Lake City, Utah, specializing in the science of measurement.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Metron Measurement LTDmetron-labo.ch HQ: Quartino, SwitzerlandReported employees: 11-50 | Quartino, Switzerland | 11-50 | Exact match | 9 contacts → |
“Metron Measurement SA is an ISO/IEC 17025:2017 accredited calibration laboratory (SCS 0115) specialized in Dimensional, Electrical, Torque, and Force measurements.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Flutech Engineering Pvt. Ltd. - Indiaflutech.in HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 9 contacts → |
“Flutech an ISO/IEC 17025:2005 NABL Accredited Laboratory, is a Specialty leader and Expert in Calibration and Services, in the field of Torque calibration, Pressure calibration…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Yodha Manufacturing & Equipment's PVT LTDyodhagroup.com HQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 8 contacts → |
“Yodha Manufacturing & Equipment's Pvt Ltd is an ISO/IEC 17025 accredited laboratory.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wild Hi-Precisionhi-precision.at HQ: Völkermarkt, AustriaReported employees: 11-50 | Völkermarkt, Austria | 11-50 | Exact match | 7 contacts → |
“WILD Hi-Precision ist ein nach ÖVE/ÖNORM EN ISO/IEC 17025 von der Akkreditierung Austria akkreditiertes Kalibrierlabor.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | National Standards Of Puerto Riconsprlab.com HQ: Puerto RicoReported employees: 11-50 | Puerto Rico | 11-50 | Exact match | 7 contacts → |
“national standards of puerto rico is a company based out of Puerto Rico.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 202 company matches
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Time domain reflectometer (tdr) calibration services: dataset insights
November 2, 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
201 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 202 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 2, 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 ↗
Time domain reflectometer (tdr) calibration services by location
1 lists · largest firstEvery Time domain reflectometer (tdr) calibration services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for time domain reflectometer (tdr) 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 time domain reflectometer (tdr) calibration services did RevenueBase find worldwide?
The saved snapshot records 202 matching company records, 1,994 tracked contacts and 322 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 2, 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.
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Cite this list
RevenueBase Data Team. Top 25 time domain reflectometer (tdr) calibration services worldwide. Snapshot: November 2, 2026. https://revenuebase.ai/companies/browse/time-domain-reflectometer-tdr-calibration-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗