Company lists · Data refreshed October 2026

Top 25 Low pressure calibration instrument suppliers based in the United States

RevenueBase identified 143 company matches for low pressure calibration instrument suppliers associated with the United States as of October 2026 and tracks 3,806 professional contacts across them, including 1,531 with verified work emails. Houston is the largest hub.

This list covers company matches for low pressure calibration instrument suppliers 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 27, 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 27, 2026 How this list was built
143Companies
3,806Contacts tracked
1,531Verified emails
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The 25 largest low pressure calibration instrument suppliers based in the United States

Ranked by team size
Top 25 of 143 company matches for low pressure calibration instrument suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 27, 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 27, 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 27, 2026 · View company records in RevenueBase
2Exact matchNorwalk, CT, United StatesHQ recorded Oct 27, 2026501-1,000610 contacts →

Exact match

“Omega sells more than products used to measure temperature and humidity, flow and level, and pressure.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
3Exact matchGrass Valley, CA, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
4Exact matchMason, OH, United StatesHQ recorded Oct 27, 2026201-500438 contacts →

Exact match

“For more than 70 years, VEGA Americas, Inc.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
5Exact matchTucson, AZ, United StatesHQ recorded Oct 27, 202651-200142 contacts →

Exact match

“Since 1991, Alicat Scientific has manufactured custom mass flow and pressure instrumentation to equip our customers with the tools they need to advance scientific discovery and…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
6Exact matchChesapeake, VA, United StatesHQ recorded Oct 27, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Oct 27, 202651-20091 contacts →

Exact match

“Reotemp is a globally recognized manufacturer of temperature and pressure instrumentation.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
8Exact matchChelmsford, MA, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
9Exact matchSan Marcos, TX, United StatesHQ recorded Oct 27, 202651-20071 contacts →

Exact match

“Since 1969, Mensor has been designing and manufacturing precision pressure measuring and pressure calibration instruments and systems.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
10Exact matchHuntington Beach, CA, United StatesHQ recorded Oct 27, 202651-20055 contacts →

Exact match

“FLW, Inc, a private, family owned company, specializes in the sales of industrial physical measurement, control and calibration product.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
11Exact matchCanton, MA, United StatesHQ recorded Oct 27, 202651-20045 contacts →

Exact match

“Established in 1946, Fowler High Precision is recognized globally as one of the world's leading suppliers of high-quality inspection, control, and calibration equipment.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
12Exact matchFrederick, MD, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
13Exact matchKennesaw, GA, United StatesHQ recorded Oct 27, 202651-20033 contacts →

Exact match

“Engineered Specialty Products (ESP) has been a leader in Quality Pressure and Temperature Instruments for over 25 years.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
14Exact matchSolon, OH, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
15Exact matchMilwaukie, OR, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
16Exact matchYork, PA, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
17Exact matchWestlake, OH, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
18Exact matchEverett, WA, United StatesHQ recorded Oct 27, 20261,001-5,00022 contacts →

Exact match

“Fluke Calibration is a leader in precision calibration instrumentation and software for electrical, temperature, pressure, flow and RF measurements.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
19Exact matchNunn, CO, United StatesHQ recorded Oct 27, 202651-20019 contacts →

Exact match

“Colorado Engineering Experiment Station Inc.(CEESI) assists commercial and industrial clients by providing market-leading flow measurement and testing expertise.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
20Exact matchPlacentia, CA, United StatesHQ recorded Oct 27, 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 27, 2026 · View company records in RevenueBase
21Exact matchGeneva, OH, United StatesHQ recorded Oct 27, 202651-20016 contacts →

Exact match

“From Food Safety to High Power Calibration, TEGAM / Advanced Energy aims to meet your measurement needs.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
22Exact matchCharlotte, NC, United StatesHQ recorded Oct 27, 202611-5015 contacts →

Exact match

“F.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
23Exact matchAlbuquerque, NM, United StatesHQ recorded Oct 27, 202611-5015 contacts →

Exact match

“The world's leading manufacturer of NIST-standard, two-pressure humidity calibration systems, Thunder Scientific offers the industry's best solution to your humidity measurement…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
24Exact matchPortland, United StatesHQ recorded Oct 27, 202651-20014 contacts →

Exact match

“Process Instrumentation for Control & Monitoring of Pressure, Level, Temperature, and Flow.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
25Exact matchLiberty Lake, WA, United StatesHQ recorded Oct 27, 202611-5013 contacts →

Exact match

“Scanivalve is recognized as the world’s leading supplier of state-of-the-art Intelligent Pressure and Temperature instrumentation.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase

Showing 25 of 143 low pressure calibration instrument suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Low pressure calibration instrument suppliers based in the United States at a glance

As of Oct 27, 2026
40.2%Verified-email coverage
26.6Average contacts per company
11-50Median size (employees)
4.9%Largest-city concentration · Houston
Oct 27, 2026Page data refreshed

Companies by employee count

1-10
57
11-50
56
51-200
22
201-500
5
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 143 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 “low pressure calibration instrument suppliers” 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 1,531 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 27, 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 “low pressure calibration instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many low pressure calibration instrument suppliers are there based in the United States?

RevenueBase identified 143 company matches for low pressure calibration instrument suppliers 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 low pressure calibration instrument suppliers?

Houston leads with 7 company records, followed by Portland (3) and Rochester (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 1,531 professional contacts with verified work emails tracked across these 143 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 27, 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.