Company lists · Data refreshed November 2026

Top 20 Ultrasonic calibration block calibration services based in the United States

RevenueBase identified 43 company matches for ultrasonic calibration block calibration services associated with the United States as of November 2026 and tracks 357 professional contacts across them, including 143 with verified work emails. Hialeah is the largest hub.

This list covers company matches for ultrasonic calibration block 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 November 3, 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 Nov 3, 2026 How this list was built
43Companies
357Contacts tracked
143Verified emails
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The 20 largest ultrasonic calibration block calibration services based in the United States

Ranked by team size
Top 20 of 43 company matches for ultrasonic calibration block calibration services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchChelmsford, MA, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
2Exact matchMilwaukie, OR, United StatesHQ recorded Nov 3, 202611-5036 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 3, 2026 · View company records in RevenueBase
3Exact matchElgin, IL, United StatesHQ recorded Nov 3, 202611-5032 contacts →

Exact match

“Assurance Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchCharlotte, NC, United StatesHQ recorded Nov 3, 202611-5015 contacts →

Exact match

“F.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 3, 202611-5013 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 3, 2026 · View company records in RevenueBase
6Exact matchPalmdale, CA, United StatesHQ recorded Nov 3, 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 · Nov 3, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 3, 202611-5011 contacts →

Exact match

“THERMO-TEMP, INCORPORATED is YOUR CALIBRATION RESOURCE!”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchDallas, FL, United StatesHQ recorded Nov 3, 202651-2008 contacts →

Exact match

“KELI Labs is a trusted calibration partner for some of the world’s leading organizations across aviation, aerospace, defense, and manufacturing.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchBrea, CA, United StatesHQ recorded Nov 3, 202611-506 contacts →

Exact match

“Established in 1982, Precision Instrument Correction is a respected leader in the calibration industry throughout the United States.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchHialeah, FL, United StatesHQ recorded Nov 3, 20261-105 contacts →

Exact match

“Calibration laboratory, Metrology services, ISO 17025 Accredited.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchLakeland, FL, United StatesHQ recorded Nov 3, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchSpring, TX, United StatesHQ recorded Nov 3, 20261-104 contacts →

Exact match

“We are a NDT calibration block company.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchHialeah, FL, United StatesHQ recorded Nov 3, 20261-104 contacts →

Exact match

“At MDI Calibration, we provide accredited calibration services focused on accuracy, reliability, and fast turnaround.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Nov 3, 20261-104 contacts →

Exact match

“DTech is an ISO 17025 accredited lab who specializes in the calibration field for dimensional, force and pressure instruments by using high precision equipment.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchSanta Ana, CA, United StatesHQ recorded Nov 3, 20261-103 contacts →

Exact match

“We are an ISO/IEC17025 and ANSI Z540-1 Accredited calibration company based in Southern California.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchRochester, NY, United StatesHQ recorded Nov 3, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchCarrollton, TX, United StatesHQ recorded Nov 3, 20261-103 contacts →

Exact match

“Better Measurements for a Better World™ We hope you will decide to choose Alternate Systems to be your partner in measurement science.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchOklahoma City, OK, United StatesHQ recorded Nov 3, 20261-102 contacts →

Exact match

“At Huston-DePue Calibration Laboratories, we’re committed to delivering high-quality, accredited calibration services with a focus on precision, reliability, and customer…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchBinghamton, NY, United StatesHQ recorded Nov 3, 202611-501 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchDoylestown, PA, United StatesHQ recorded Nov 3, 20261-101 contacts →

Exact match

“All processes and procedures are in full compliance with ISO guidelines.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 20 of 43 ultrasonic calibration block calibration services based in the United States

See the full list, filter by size, metro and specialty, and access 143 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ultrasonic calibration block calibration services based in the United States at a glance

As of Nov 3, 2026
40.1%Verified-email coverage
8.3Average contacts per company
11-50Median size (employees)
7.0%Largest-city concentration · Hialeah
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
20
51-200
5

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 43 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 “ultrasonic calibration block 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 143 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 3, 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 “ultrasonic calibration block calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ultrasonic calibration block calibration services are there based in the United States?

RevenueBase identified 43 company matches for ultrasonic calibration block calibration services associated with the United States 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 city has the most ultrasonic calibration block calibration services?

Hialeah leads with 3 company records, followed by Houston (3) and Rochester (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 143 professional contacts with verified work emails tracked across these 43 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 3, 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.