Company lists · Data refreshed September 2026

Top 25 Test and measurement equipment manufacturers based in the United States

RevenueBase identified 278 company matches for test and measurement equipment manufacturers associated with the United States as of September 2026 and tracks 37,439 professional contacts across them, including 12,542 with verified work emails. Irvine is the largest hub.

This list covers company matches for test and measurement equipment manufacturers 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 September 19, 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 Sep 19, 2026 How this list was built
278Companies
37,439Contacts tracked
12,542Verified emails
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The 25 largest test and measurement equipment manufacturers based in the United States

Ranked by team size
Top 25 of 278 company matches for test and measurement equipment manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchSanta Rosa, CA, United StatesHQ recorded Sep 19, 202610001+11,668 contacts →

Exact match

“Keysight empowers innovators to explore, design, and bring world-changing technologies to life.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Sep 19, 20265,001-10,0007,081 contacts →

Exact match

“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 19, 2026n/a4,999 contacts →

Exact match

“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchBeaverton, OR, United StatesHQ recorded Sep 19, 20261,001-5,0003,355 contacts →

Exact match

“We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchEverett, WA, United StatesHQ recorded Sep 19, 20261,001-5,0002,931 contacts →

Exact match

“Fluke Corporation, a wholly owned subsidiary of Fortive Corporation (NYSE: FTV), is the world leader in the manufacture, distribution and service of electronic test tools and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchLivermore, CA, United StatesHQ recorded Sep 19, 20261,001-5,0001,485 contacts →

Exact match

“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchRochester, NY, United StatesHQ recorded Sep 19, 2026501-1,000673 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 · Sep 19, 2026 · View company records in RevenueBase
8Exact matchChestnut Ridge, NY, United StatesHQ recorded Sep 19, 2026201-500473 contacts →

Exact match

“Teledyne LeCroy is a leading manufacturer of advanced oscilloscopes, protocol analyzers, and other test instruments that verify performance, validate compliance, and debug complex…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchNew Albany, IN, United StatesHQ recorded Sep 19, 2026201-500430 contacts →

Exact match

“At Industrial Physics, we protect the integrity of quality control, R&D, and operations experts across various industries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSolon, OH, United StatesHQ recorded Sep 19, 2026201-500183 contacts →

Exact match

“Since 1942, Bird has designed and manufactured high-power RF sensors and test equipment trusted worldwide by engineers, field technicians, and manufacturers for their accuracy…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchFoothill Ranch, CA, United StatesHQ recorded Sep 19, 202651-200153 contacts →

Exact match

“Chroma is the largest worldwide provider of power test instruments and automated test systems.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchOntario, CA, United StatesHQ recorded Sep 19, 202651-200124 contacts →

Exact match

“Maury Microwave offers Measurement and Modeling Device Characterization Systems and Services including nonlinear passive, active and hybrid-active fundamental and harmonic load…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchBristol, PA, United StatesHQ recorded Sep 19, 2026201-500114 contacts →

Exact match

“TESCO Metering: The source for meter testing instruments and accessories for over 100 Years.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchBristol, CT, United StatesHQ recorded Sep 19, 202651-200113 contacts →

Exact match

“Bauer is a world-leader in the design and manufacture of high quality test and support equipment for the commercial and military aviation industries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchNovi, MI, United StatesHQ recorded Sep 19, 202651-200102 contacts →

Exact match

“With a quarter of a century of experience in developing cutting-edge software and hardware solutions for the measurement, calibration and diagnostics (MCD) sector, Accurate…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchFremont, CA, United StatesHQ recorded Sep 19, 2026n/a89 contacts →

Exact match

“Sunrise Telecom® is a registered trademark of VeEX Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchVista, CA, United StatesHQ recorded Sep 19, 202651-20069 contacts →

Exact match

“Tempo® Communications is a trusted name in the utility, communications, and irrigation industries, delivering a full suite of innovative, industry-leading test and measurement…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchSanta Barbara, CA, United StatesHQ recorded Sep 19, 202651-20062 contacts →

Exact match

“Santa Barbara Infrared designs and manufactures the most technologically advanced infrared and electro-optical test instrumentation available.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchBerlin, CT, United StatesHQ recorded Sep 19, 2026201-50061 contacts →

Exact match

“Leading Technology for Mission Critical Applications Raptor Scientific offers an extensive range of test and measurement capabilities, including Mass Properties, Radar Cross…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchGrand Prairie, TX, United StatesHQ recorded Sep 19, 202651-20058 contacts →

Exact match

“Protec Equipment Resources is a full service solutions provider of electrical test and measurement equipment.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchFort Myers, FL, United StatesHQ recorded Sep 19, 202611-5055 contacts →

Exact match

“Voltech provides innovative, reliable test equipment for the Power Electronics Industry, specializing in wound component and transformer testing.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202651-20053 contacts →

Exact match

“Founded in 1984, Chroma ATE, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202651-20050 contacts →

Exact match

“Founded in 1971, Pacific Power Source (PPS) is an industry leading manufacturer of AC and DC power test solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchReading, PA, United StatesHQ recorded Sep 19, 202611-5047 contacts →

Exact match

“Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchBeaverton, OR, United StatesHQ recorded Sep 19, 2026201-50046 contacts →

Exact match

“Axiometrix Solutions is a leading provider in the test and measurement space.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 278 test and measurement equipment manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 12,542 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Test and measurement equipment manufacturers based in the United States at a glance

As of Sep 19, 2026
33.5%Verified-email coverage
134.7Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · Irvine
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
104
11-50
95
51-200
45
201-500
17
501-1,000
5
1,001-5,000
8
5,001-10,000
1
10001+
2

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 278 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 “test and measurement equipment manufacturers” 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 12,542 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 September 19, 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 “test and measurement equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many test and measurement equipment manufacturers are there based in the United States?

RevenueBase identified 278 company matches for test and measurement equipment manufacturers associated with the United States as of September 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?

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

Which city has the most test and measurement equipment manufacturers?

Irvine leads with 8 company records, followed by Fremont (7) and San Diego (7).

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 12,542 professional contacts with verified work emails tracked across these 278 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 September 19, 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.