Company lists · Data refreshed November 2026

Top 25 Rockwell hardness tester calibration services worldwide

RevenueBase identified 440 company matches for rockwell hardness tester calibration services worldwide as of November 2026 and tracks 8,626 professional contacts across them, including 2,602 with verified work emails. The United States is the largest market and Chennai the largest hub.

This list covers company matches for rockwell hardness tester 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 1, 2026. Country and city lists for rockwell hardness tester 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 1, 2026 How this list was built
440Companies
8,626Contacts tracked
2,602Verified emails
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The 25 largest rockwell hardness tester calibration services worldwide

Ranked by team size
Top 25 of 440 company matches for rockwell hardness tester calibration services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParis, FranceHQ recorded Nov 1, 20265,001-10,0003,599 contacts →

Exact match

“As the global leader in calibration services, we provide precision calibration expertise in every industry, geography and instrument across the world.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
2Exact matchGrass Valley, CA, United StatesHQ recorded Nov 1, 2026201-500513 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 · Nov 1, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Nov 1, 2026201-500392 contacts →

Exact match

“SIMCO Electronics is a leading provider of calibration, repair, and software services for manufacturing, life science, and technology organizations.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
4Exact matchPietarsaari, FinlandHQ recorded Nov 1, 2026201-500257 contacts →

Exact match

“Since its founding in 1975, Beamex has been a trusted partner for calibration excellence, helping its customers to continuously improve efficiency, ensure compliance, and increase…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
5Exact matchChesapeake, VA, United StatesHQ recorded Nov 1, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
6Exact matchChelmsford, MA, United StatesHQ recorded Nov 1, 202651-20087 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 1, 2026 · View company records in RevenueBase
7Exact matchVista, CA, United StatesHQ recorded Nov 1, 202611-5068 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 1, 2026 · View company records in RevenueBase
8Exact matchDubai, United Arab EmiratesHQ recorded Nov 1, 202651-20064 contacts →

Exact match

“Headquartered in Dubai, TIC is a quality control service company that takes pride in providing QC services that maximizes efficiency and accuracy.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchIrving, TX, United StatesHQ recorded Nov 1, 2026501-1,00062 contacts →

Exact match

“Your Premier Partner in Calibration Accredited Labs is a network of top-tier calibration companies united by one mission: to keep our customers audit-ready and in control of their…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchSucy-en-brie, FranceHQ recorded Nov 1, 202651-20057 contacts →

Exact match

“ASERTI Metrology et MI Métrologie assurent la conformité de vos appareils de mesure, quelle que soit leur marque, selon les spécifications constructeur ou vos propres exigences.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
11Exact matchPiracicaba, BrazilHQ recorded Nov 1, 202651-20057 contacts →

Exact match

“A Aferitec está no mercado de calibração e ensaio desde 1994.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
12Exact matchBurnsville, MN, United StatesHQ recorded Nov 1, 202651-20041 contacts →

Exact match

“For over 30 years, Martin Calibration has provided superior calibration service to the aerospace, automotive, medical, nuclear and manufacturing sectors.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
13Exact matchMarsa, Western SaharaHQ recorded Nov 1, 2026201-50041 contacts →

Exact match

“Inspectra Ltd is an industry leader in product, purpose-built factory, sub-assembly and equipment calibration in Malta.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchChennai, IndiaHQ recorded Nov 1, 202651-20040 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 1, 2026 · View company records in RevenueBase
15Exact matchZoetermeer, NetherlandsHQ recorded Nov 1, 202611-5034 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 1, 2026 · View company records in RevenueBase
16Exact matchFrederick, MD, United StatesHQ recorded Nov 1, 202651-20033 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 1, 2026 · View company records in RevenueBase
17Exact matchMilwaukie, OR, United StatesHQ recorded Nov 1, 202611-5033 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 1, 2026 · View company records in RevenueBase
18Exact matchBristol, United KingdomHQ recorded Nov 1, 202651-20032 contacts →

Exact match

“As a part of the NMi Group, Avon-Dynamic stands as a leading UK calibration and dimensional measurement specialist since 1985.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchMonterrey, MexicoHQ recorded Nov 1, 202651-20032 contacts →

Exact match

“Somos un laboratorio acreditado para emitir informes de calibración con validez oficial en las magnitudes de presión, temperatura, eléctrica, masa, fuerza, par torsional dinámico…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchYork, PA, United StatesHQ recorded Nov 1, 202611-5031 contacts →

Exact match

“Everything we do, we believe in changing how people think about force and torque calibration.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchLititz, PA, United StatesHQ recorded Nov 1, 202611-5030 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 · Nov 1, 2026 · View company records in RevenueBase
22Exact matchElgin, IL, United StatesHQ recorded Nov 1, 202611-5030 contacts →

Exact match

“Assurance Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
23Exact matchFox River Grove, IL, United StatesHQ recorded Nov 1, 202611-5026 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 1, 2026 · View company records in RevenueBase
24Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 1, 202611-5026 contacts →

Exact match

“VIPRO Technical Services oers expert quality service in the calibration of all major types of equipment (electrical, mechanical, pressure, temperature, force, and more).”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
25Exact matchEast Dundee, IL, United StatesHQ recorded Nov 1, 202611-5025 contacts →

Exact match

“Who we are: • An ISO 17025 accredited & ITAR Registered precision measurement laboratory with a passion for improving manufacturing & engineering, through expert metrology.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 440 rockwell hardness tester calibration services worldwide

See the full list, filter by size, metro and specialty, and access 2,602 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rockwell hardness tester calibration services worldwide at a glance

As of Nov 1, 2026
30.2%Verified-email coverage
19.6Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Chennai
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
196
11-50
176
51-200
57
201-500
7
501-1,000
1
1,001-5,000
2
5,001-10,000
1

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 rockwell hardness tester calibration services are linked below.
What qualifies
Company records worldwide whose business descriptions match “rockwell hardness tester 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 2,602 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 1, 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.

Rockwell hardness tester calibration services by location

1 lists · largest first

Every Rockwell hardness tester 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 “rockwell hardness tester calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rockwell hardness tester calibration services are there worldwide?

RevenueBase identified 440 company matches for rockwell hardness tester 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?

Trescal tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most rockwell hardness tester calibration services?

The United States leads with 107 companies. Every rockwell hardness tester calibration services list by country and city is linked on this page.

Which city has the most rockwell hardness tester calibration services?

Chennai leads with 6 company records, followed by Sao Paulo (6) and Houston (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,602 professional contacts with verified work emails tracked across these 440 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 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.