Company lists · Data refreshed September 2026

Top 25 Testing equipment manufacturers based in the United States

Name: Testing equipment manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 281 companies tracked

RevenueBase identified 281 testing equipment manufacturers headquartered in the United States as of September 2026 and tracks 16,343 professional contacts across them, including 5,809 with verified work emails. Austin is the largest hub.

This list covers testing equipment manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

281Companies

16,343Contacts tracked

5,809Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest testing equipment manufacturers based in the United States

Ranked by team size

Top 25 of 281 testing equipment manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to testing equipment manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	NI National Instruments	Indirect evidence	Austin, TX, United StatesHQ checked Sep 30, 2026	5,001-10,000	7,081 contacts →
	Indirect evidence “In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Source: RevenueBase Database · checked Sep 30, 2026
2	Tektronix	Partial evidence	Beaverton, OR, United StatesHQ checked Sep 30, 2026	1,001-5,000	3,355 contacts →
	Partial evidence “We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.” Source: RevenueBase Database · checked Sep 30, 2026
3	Instron	Strong evidence	Norwood, MA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,015 contacts →
	Strong evidence “Instron manufactures and services a wide range of cutting-edge materials testing equipment used by research scientists, design engineers, and quality control managers.” Source: RevenueBase Database · checked Sep 30, 2026
4	Transcat	Partial evidence	Rochester, NY, United StatesHQ checked Sep 30, 2026	501-1,000	673 contacts →
	Partial evidence “At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…” Source: RevenueBase Database · checked Sep 30, 2026
5	Industrial Physics	Indirect evidence	New Albany, IN, United StatesHQ checked Sep 30, 2026	201-500	430 contacts →
	Indirect evidence “At Industrial Physics, we protect the integrity of quality control, R&D, and operations experts across various industries.” Source: RevenueBase Database · checked Sep 30, 2026
6	Thermotron Industries	Partial evidence	Holland, MI, United StatesHQ checked Sep 30, 2026	201-500	164 contacts →
	Partial evidence “For more than 55 years, Thermotron has provided quality environmental test equipment.” Source: RevenueBase Database · checked Sep 30, 2026
7	Lamotte Company	Strong evidence	Chestertown, MD, United StatesHQ checked Sep 30, 2026	201-500	154 contacts →
	Strong evidence “Since 1919, we are a leading manufacturer of environmental testing equipment for water and soil.” Source: RevenueBase Database · checked Sep 30, 2026
8	Chroma Systems Solutions, INC	Indirect evidence	Foothill Ranch, CA, United StatesHQ checked Sep 30, 2026	51-200	153 contacts →
	Indirect evidence “Chroma is the largest worldwide provider of power test instruments and automated test systems.” Source: RevenueBase Database · checked Sep 30, 2026
9	Circuit Check INC	Indirect evidence	Maple Grove, MN, United StatesHQ checked Sep 30, 2026	201-500	129 contacts →
	Indirect evidence “Circuit Check is a leading provider of automated test systems and test fixtures for complex electronic products for the automotive, military/aerospace, medical, industrial, and…” Source: RevenueBase Database · checked Sep 30, 2026
10	Alpha Technologies	Indirect evidence	Hudson, OH, United StatesHQ checked Sep 30, 2026	51-200	129 contacts →
	Indirect evidence “Alpha Technologies provides the insight our customers need that ensures the quality, sustainability, and performance of their materials.” Source: RevenueBase Database · checked Sep 30, 2026
11	Tinius Olsen	Partial evidence	Horsham, PA, United StatesHQ checked Sep 30, 2026	51-200	114 contacts →
	Partial evidence “At Tinius Olsen we specialize in the manufacture and supply of test systems to prove the performance and strength of raw materials including metals, alloys, composites, plastics…” Source: RevenueBase Database · checked Sep 30, 2026
12	Tesco Metering	Partial evidence	Bristol, PA, United StatesHQ checked Sep 30, 2026	201-500	114 contacts →
	Partial evidence “TESCO Metering: The source for meter testing instruments and accessories for over 100 Years.” Source: RevenueBase Database · checked Sep 30, 2026
13	BAUER	Strong evidence	Bristol, CT, United StatesHQ checked Sep 30, 2026	51-200	113 contacts →
	Strong evidence “Bauer is a world-leader in the design and manufacture of high quality test and support equipment for the commercial and military aviation industries.” Source: RevenueBase Database · checked Sep 30, 2026
14	Balance Technology INC BTI	Indirect evidence	Whitmore Lake, MI, United StatesHQ checked Sep 30, 2026	51-200	91 contacts →
	Indirect evidence “Since 1968.Celebrating 50 Years!” Source: RevenueBase Database · checked Sep 30, 2026
15	CFR Engines INC	Strong evidence	Pewaukee, WI, United StatesHQ checked Sep 30, 2026	51-200	68 contacts →
	Strong evidence “CFR Engines Inc.(CFR®) is a leading, global manufacturer of fuel rating test instruments and equipment.” Source: RevenueBase Database · checked Sep 30, 2026
16	Santa Barbara Infrared, Inc.	Partial evidence	Santa Barbara, CA, United StatesHQ checked Sep 30, 2026	51-200	62 contacts →
	Partial evidence “Santa Barbara Infrared designs and manufactures the most technologically advanced infrared and electro-optical test instrumentation available.” Source: RevenueBase Database · checked Sep 30, 2026
17	Raptor Scientific	Indirect evidence	Berlin, CT, United StatesHQ checked Sep 30, 2026	201-500	61 contacts →
	Indirect evidence “Leading Technology for Mission Critical Applications Raptor Scientific offers an extensive range of test and measurement capabilities, including Mass Properties, Radar Cross…” Source: RevenueBase Database · checked Sep 30, 2026
18	Zwickroell In North America	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	59 contacts →
	Indirect evidence “Welcome to ZwickRoell in North America ZwickRoell is committed to helping you improve the performance and safety of your products.” Source: RevenueBase Database · checked Sep 30, 2026
19	Gilson Company, INC	Indirect evidence	Lewis Center, OH, United StatesHQ checked Sep 30, 2026	11-50	59 contacts →
	Indirect evidence “Founded in 1939, Gilson Company, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
20	Voltech Instruments	Strong evidence	Fort Myers, FL, United StatesHQ checked Sep 30, 2026	11-50	55 contacts →
	Strong evidence “Voltech provides innovative, reliable test equipment for the Power Electronics Industry, specializing in wound component and transformer testing.” Source: RevenueBase Database · checked Sep 30, 2026
21	Hickok Waekon, LLC	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 30, 2026	11-50	54 contacts →
	Partial evidence “Hickok has been in the business of developing and manufacturing tools and equipment for over 100 years.” Source: RevenueBase Database · checked Sep 30, 2026
22	Chroma Ate, Inc. USA	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 30, 2026	51-200	53 contacts →
	Indirect evidence “Founded in 1984, Chroma ATE, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
23	The Tool & Gage House	Strong evidence	Charlotte, NC, United StatesHQ checked Sep 30, 2026	51-200	50 contacts →
	Strong evidence “Since 1976, The Tool & Gage House provides measurement tools, testing equipment, and assembly systems supported with design, installation, training and calibration services.” Source: RevenueBase Database · checked Sep 30, 2026
24	Ateq USA	Indirect evidence	Livonia, MI, United StatesHQ checked Sep 30, 2026	201-500	48 contacts →
	Indirect evidence “For more than 50 years, ATEQ Corp.” Source: RevenueBase Database · checked Sep 30, 2026
25	Technology For Energy Corp	Partial evidence	Knoxville, TN, United StatesHQ checked Sep 30, 2026	51-200	47 contacts →
	Partial evidence “TEC is an employee-owned company based in Knoxville, Tennessee, USA, that designs and manufactures diagnostic instruments for four diverse industries.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: testing equipment manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names testing equipment manufacturers.
Partial evidence: Its own public description names part of testing equipment manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name testing equipment manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 281 testing equipment manufacturers based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 5,809 reachable decision-makers.

Free signup · no credit card

View the full list →

Testing equipment manufacturers based in the United States at a glance

As of Sep 30, 2026

35.5%Verified-email coverage

58.2Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Austin

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

108

11-50

109

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 281 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among testing equipment manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “testing equipment manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names testing equipment manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among testing equipment manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,809 across the full list. 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 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names testing equipment manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many testing equipment manufacturers are there based in the United States?

RevenueBase identified 281 testing equipment manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

NI National Instruments, headquartered in Austin, tops this list with the largest team on record.

Which city has the most testing equipment manufacturers?

Austin leads with 5 headquartered companies, followed by Charlotte (5) and Irvine (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,809 verified decision-maker contacts tracked across these 281 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 281 testing equipment manufacturers based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Testing equipment manufacturers by geography

Browse the directory

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 Smart Search, 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.