Company lists · Data refreshed October 2026

Top 25 Flowmeter calibrating services based in the United States

RevenueBase identified 276 company matches for flowmeter calibrating services associated with the United States as of October 2026 and tracks 4,178 professional contacts across them, including 1,709 with verified work emails. Houston is the largest hub.

This list covers company matches for flowmeter calibrating 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 25, 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 25, 2026 How this list was built
276Companies
4,178Contacts tracked
1,709Verified emails
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The 25 largest flowmeter calibrating services based in the United States

Ranked by team size
Top 25 of 276 company matches for flowmeter calibrating services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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 matchRochester, NY, United StatesHQ recorded Oct 25, 2026501-1,000698 contacts →

Exact match

“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2Exact matchGrass Valley, CA, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
3Exact matchOshkosh, WI, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
4Exact matchTemple Terrace, GA, United StatesHQ recorded Oct 25, 202651-200112 contacts →

Exact match

“Who is TMI?”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5Exact matchLargo, FL, United StatesHQ recorded Oct 25, 202651-20098 contacts →

Exact match

“ONICON designs and manufactures a full line of highly accurate flow meters and energy measurement systems.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6Exact matchChesapeake, VA, United StatesHQ recorded Oct 25, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7Exact matchLafayette, IN, United StatesHQ recorded Oct 25, 2026201-50090 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 25, 2026 · View company records in RevenueBase
8Exact matchChelmsford, MA, United StatesHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
9Exact matchStatesboro, GA, United StatesHQ recorded Oct 25, 202651-20079 contacts →

Exact match

“Brodie International is an industry leader in the production and distribution of high precision liquid flow meters and valves used in the custody transfer of petroleum products.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10Exact matchVista, CA, United StatesHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
11Exact matchGrand Rapids, MI, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
12Exact matchIrving, TX, United StatesHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
13Exact matchMonterey, CA, United StatesHQ recorded Oct 25, 202651-20062 contacts →

Exact match

“Sierra Instruments manufacturers high performance mass flow meters and mass flow controllers for nearly any gas, liquid, or steam application.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14Exact matchDallas, TX, United StatesHQ recorded Oct 25, 202651-20048 contacts →

Exact match

“The Aldinger Company is a full-service measurement and test equipment calibration, sales, and service provider with over 50 years of experience servicing Texas.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15Exact matchElizabeth City, NC, United StatesHQ recorded Oct 25, 202651-20042 contacts →

Exact match

“Hoffer Flow Controls is an industrial flow meter manufacturer specializing in the design and supply of both customized and standard turbine flow meters.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16Exact matchBurnsville, MN, United StatesHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
17Exact matchIrvine, CA, United StatesHQ recorded Oct 25, 202651-20038 contacts →

Exact match

“Since 1997 usCalibration has provided high-quality calibration, system repair, and asset management to the manufacturing community.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United StatesHQ recorded Oct 25, 202651-20035 contacts →

Exact match

“Nicol Scales & Measurement is an ISO 17025 Accredited Calibration Company that has provided calibration, repair, and sales of all types of weighing and measurement products since…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19Exact matchFrederick, MD, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
20Exact matchMarina, CA, United StatesHQ recorded Oct 25, 202611-5033 contacts →

Exact match

“As a manufacturer of thermal mass flow meters for domestic and global markets for over 25 years, Fox Thermal provides resourceful solutions for industrial process, oil and gas…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21Exact matchSolon, OH, United StatesHQ recorded Oct 25, 202611-5033 contacts →

Exact match

“Conrad Kacsik Instrument Systems located in Solon Ohio, distributes, services, system engineers and provides certified calibration for process control instrumentation and process…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22Exact matchMilwaukie, OR, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
23Exact matchYork, PA, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
24Exact matchLititz, PA, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
25Exact matchTempe, AZ, United StatesHQ recorded Oct 25, 202651-20030 contacts →

Exact match

“FTI Flow Technology, recognized in the U.S.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

Showing 25 of 276 flowmeter calibrating services based in the United States

See the full list, filter by size, metro and specialty, and access 1,709 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Flowmeter calibrating services based in the United States at a glance

As of Oct 25, 2026
40.9%Verified-email coverage
15.1Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · Houston
Oct 25, 2026Page data refreshed

Companies by employee count

1-10
120
11-50
112
51-200
37
201-500
4
501-1,000
2
1,001-5,000
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 276 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 “flowmeter calibrating 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 1,709 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 25, 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 “flowmeter calibrating services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many flowmeter calibrating services are there based in the United States?

RevenueBase identified 276 company matches for flowmeter calibrating 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?

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

Which city has the most flowmeter calibrating services?

Houston leads with 10 company records, followed by Dallas (5) and Tempe (4).

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 1,709 professional contacts with verified work emails tracked across these 276 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 25, 2026.

Ready to reach these companies? Verified emails and direct dials for all 276 flowmeter calibrating 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.