Company lists · Data refreshed October 2026

Top 25 Bore gauge calibration services based in the United States

RevenueBase identified 145 company matches for bore gauge calibration services associated with the United States as of October 2026 and tracks 1,864 professional contacts across them, including 648 with verified work emails. Grand Rapids is the largest hub.

This list covers company matches for bore gauge 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 22, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 22, 2026 How this list was built
145Companies
1,864Contacts tracked
648Verified emails
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The 25 largest bore gauge calibration services based in the United States

Ranked by team size
Top 25 of 145 company matches for bore gauge calibration services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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 matchGrass Valley, CA, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
2Exact matchOshkosh, WI, United StatesHQ recorded Oct 22, 202651-200123 contacts →

Exact match

“Fox Valley Metrology is a partner to the Quality Assurance Departments of thousands of organizations worldwide.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchProvidence, RI, United StatesHQ recorded Oct 22, 202651-200107 contacts →

Exact match

“When customers are faced with a metrology need, they turn to Mahr Inc, for unmatched industry expertise.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchChesapeake, VA, United StatesHQ recorded Oct 22, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchGrand Rapids, MI, United StatesHQ recorded Oct 22, 202651-20065 contacts →

Exact match

“Established in 1922, our core business has focused on providing our customers with prompt, professional, and precise Industrial Measurement Solutions.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchFrederick, MD, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
7Exact matchMilwaukie, OR, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
8Exact matchMilwaukee, WI, United StatesHQ recorded Oct 22, 202651-20032 contacts →

Exact match

“Precision Metrology has been in the calibration business for 31 years with 80 employees servicing customers throughout the US, Puerto Rico and Mexico.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchYork, PA, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
10Exact matchLititz, PA, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
11Exact matchElgin, IL, United StatesHQ recorded Oct 22, 202611-5030 contacts →

Exact match

“Assurance Technologies, Inc.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchPoughkeepsie, United StatesHQ recorded Oct 22, 202611-5028 contacts →

Exact match

“Manufacturer of high precision measurement instruments.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchMidland, TX, United StatesHQ recorded Oct 22, 202651-20026 contacts →

Exact match

“Maverick Oilfield Services is a trusted name in the oil and gas industry for it's dedication to providing casing, torque-turn, and calibration services paired with excellent…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchEast Dundee, IL, United StatesHQ recorded Oct 22, 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 · Oct 22, 2026 · View company records in RevenueBase
15Exact matchWestlake, OH, United StatesHQ recorded Oct 22, 202611-5024 contacts →

Exact match

“Inspection Engineering is a full service gage house providing precision measuring services, calibration and instruments.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchPendleton, IN, United StatesHQ recorded Oct 22, 202611-5019 contacts →

Exact match

“At Kent Machine, we are at the forefront of precision manufacturing and metrology.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchOak Park, MI, United StatesHQ recorded Oct 22, 202611-5018 contacts →

Exact match

“VGAGE LLC, formerly Valenite Gaging Systems (1978-2006), is an ISO 17025 accredited company, started over forty years ago designing and building all types of gages for the World…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchDanville, VA, United StatesHQ recorded Oct 22, 202611-5018 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchPlacentia, CA, United StatesHQ recorded Oct 22, 202611-5016 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 22, 2026 · View company records in RevenueBase
20Exact matchCincinnati, OH, United StatesHQ recorded Oct 22, 202611-5016 contacts →

Exact match

“Alliance Calibration is centrally located in Cincinnati, Ohio.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchCharlotte, NC, United StatesHQ recorded Oct 22, 202611-5015 contacts →

Exact match

“F.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchPalmdale, CA, United StatesHQ recorded Oct 22, 202611-5013 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 22, 2026 · View company records in RevenueBase
23Exact matchCanton, MI, United StatesHQ recorded Oct 22, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchCleveland, OH, United StatesHQ recorded Oct 22, 202611-5012 contacts →

Exact match

“OCS Technologies was founded as Ohio Counting Scale in 1930 and has grown into a multi-disciplined calibration service provider and leading product distributor today.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchBillerica, MA, United StatesHQ recorded Oct 22, 202611-5011 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 22, 2026 · View company records in RevenueBase

Showing 25 of 145 bore gauge calibration services based in the United States

See the full list, filter by size, metro and specialty, and access 648 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Bore gauge calibration services based in the United States at a glance

As of Oct 22, 2026
34.8%Verified-email coverage
12.9Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Grand Rapids
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
70
11-50
61
51-200
13
201-500
1

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 145 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 “bore gauge 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 648 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 22, 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 “bore gauge calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many bore gauge calibration services are there based in the United States?

RevenueBase identified 145 company matches for bore gauge 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 bore gauge calibration services?

Grand Rapids leads with 4 company records, followed by Houston (4) and Fort Wayne (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 648 professional contacts with verified work emails tracked across these 145 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 22, 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.