Company lists · Data refreshed September 2026

Top 25 Quality control testing equipment manufacturers based in the United States

Name: Quality control 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 17, 2026 206 companies tracked

RevenueBase identified 206 quality control testing equipment manufacturers headquartered in the United States as of September 2026 and tracks 19,877 professional contacts across them, including 6,612 with verified work emails. Charlotte is the largest hub.

This list covers quality control 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 17, 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 17, 2026 86% judged on-target in blind review

206Companies

19,877Contacts tracked

6,612Verified emails

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The 25 largest quality control testing equipment manufacturers based in the United States

Ranked by team size

Top 25 of 206 quality control testing equipment manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to quality control 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 17, 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 17, 2026
2	Tektronix	Partial evidence	Beaverton, OR, United StatesHQ checked Sep 17, 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 17, 2026
3	Instron	Strong evidence	Norwood, MA, United StatesHQ checked Sep 17, 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 17, 2026
4	LECO	Indirect evidence	St Joseph, MI, United StatesHQ checked Sep 17, 2026	1,001-5,000	824 contacts →
	Indirect evidence “Our story began in 1936 with the world's first rapid carbon determinator, transforming the American iron and steel industry with fast, reliable results.” Source: RevenueBase Database · checked Sep 17, 2026
5	PAC	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	703 contacts →
	Partial evidence “PAC, Precision Analyzer Company, is a leading global manufacturer of advanced analytical instruments for the aviation, renewable fuel, process, petrochemical, hydrocarbon…” Source: RevenueBase Database · checked Sep 17, 2026
6	Transcat	Partial evidence	Rochester, NY, United StatesHQ checked Sep 17, 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 17, 2026
7	Hanna Instruments	Partial evidence	Smithfield, RI, United StatesHQ checked Sep 17, 2026	1,001-5,000	558 contacts →
	Partial evidence “Hanna Instruments, Inc is the world’s largest privately held manufacturer of analytical and scientific instruments.” Source: RevenueBase Database · checked Sep 17, 2026
8	Link Engineering Company	Indirect evidence	Plymouth, MI, United StatesHQ checked Sep 17, 2026	501-1,000	509 contacts →
	Indirect evidence “Link Group, Inc.(LINK), parent to Link Engineering Company, Link Industries and Tescor, consists of businesses that offer customized solutions, with a focus on delivering high…” Source: RevenueBase Database · checked Sep 17, 2026
9	Industrial Physics	Strong evidence	New Albany, IN, United StatesHQ checked Sep 17, 2026	201-500	430 contacts →
	Strong evidence “At Industrial Physics, we protect the integrity of quality control, R&D, and operations experts across various industries.” Source: RevenueBase Database · checked Sep 17, 2026
10	Evident Industrial	Partial evidence	Waltham, MA, United StatesHQ checked Sep 17, 2026	501-1,000	427 contacts →
	Partial evidence “Evident Industrial is a global leader in the design and manufacture of advanced inspection technologies and industrial products.” Source: RevenueBase Database · checked Sep 17, 2026
11	KPM Analytics	Indirect evidence	Westborough, MA, United StatesHQ checked Sep 17, 2026	201-500	244 contacts →
	Indirect evidence “KPM Analytics is a global leader in analytical instrumentation primarily focused on analyzing critical parameters within the food, agriculture, clinical and environmental sectors.” Source: RevenueBase Database · checked Sep 17, 2026
12	Buehler An ITW Company	Strong evidence	Lake Bluff, IL, United StatesHQ checked Sep 17, 2026	201-500	199 contacts →
	Strong evidence “Buehler, a division of Illinois Tool Works (ITW), is a leading manufacturer of scientific equipment and supplies for use in material analysis, quality…” Source: RevenueBase Database · checked Sep 17, 2026
13	MSI Viking	Indirect evidence	Greer, SC, United StatesHQ checked Sep 17, 2026	51-200	144 contacts →
	Indirect evidence “MSI-Viking Gage is a leading supplier of precision measuring technologies representing the world's leading metrology and automation suppliers - including Hexagon, Mitutoyo…” Source: RevenueBase Database · checked Sep 17, 2026
14	Tinius Olsen	Partial evidence	Horsham, PA, United StatesHQ checked Sep 17, 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 17, 2026
15	Balance Technology INC BTI	Indirect evidence	Whitmore Lake, MI, United StatesHQ checked Sep 17, 2026	51-200	91 contacts →
	Indirect evidence “Since 1968.Celebrating 50 Years!” Source: RevenueBase Database · checked Sep 17, 2026
16	Mensor LP	Indirect evidence	San Marcos, TX, United StatesHQ checked Sep 17, 2026	51-200	74 contacts →
	Indirect evidence “Since 1969, Mensor has been designing and manufacturing precision pressure measuring and pressure calibration instruments and systems.” Source: RevenueBase Database · checked Sep 17, 2026
17	Brunson Instrument Company	Partial evidence	Kansas City, MO, United StatesHQ checked Sep 17, 2026	51-200	56 contacts →
	Partial evidence “Brunson Instrument Company engineers, manufactures and markets portable measurement and alignment solutions for high precision industrial applications.” Source: RevenueBase Database · checked Sep 17, 2026
18	FLW Incorporated	Partial evidence	Huntington Beach, CA, United StatesHQ checked Sep 17, 2026	51-200	50 contacts →
	Partial evidence “FLW, Inc, a private, family owned company, specializes in the sales of industrial physical measurement, control and calibration product.” Source: RevenueBase Database · checked Sep 17, 2026
19	The Tool & Gage House	Strong evidence	Charlotte, NC, United StatesHQ checked Sep 17, 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 17, 2026
20	Technology For Energy Corp	Partial evidence	Knoxville, TN, United StatesHQ checked Sep 17, 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 17, 2026
21	Fowler High Precision	Strong evidence	Canton, MA, United StatesHQ checked Sep 17, 2026	51-200	45 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 17, 2026
22	Instrotek, INC	Indirect evidence	Research Triangle Park, NC, United StatesHQ checked Sep 17, 2026	51-200	40 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
23	Netzsch Instruments North America L.L.C	Indirect evidence	Burlington, MA, United StatesHQ checked Sep 17, 2026	11-50	39 contacts →
	Indirect evidence “NETZSCH Instruments North America, LLC offers a complete high-precision instrument line for thermal analysis, calorimeter and thermophysical properties measurement, rheology and…” Source: RevenueBase Database · checked Sep 17, 2026
24	Fischer Technology, INC	Indirect evidence	Windsor, CT, United StatesHQ checked Sep 17, 2026	11-50	37 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
25	Conrad Kacsik Instrument Systems	Partial evidence	Solon, OH, United StatesHQ checked Sep 17, 2026	11-50	34 contacts →
	Partial evidence “Conrad Kacsik Instrument Systems located in Solon Ohio, distributes, services, system engineers and provides certified calibration for process control instrumentation and process…” Source: RevenueBase Database · checked Sep 17, 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: quality control 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 quality control testing equipment manufacturers.
Partial evidence: Its own public description names part of quality control 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 quality control 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 206 quality control testing equipment manufacturers based in the United States

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Quality control testing equipment manufacturers based in the United States at a glance

As of Sep 17, 2026

33.3%Verified-email coverage

96.5Average contacts per company

11-50Median size (employees)

1.9%Largest-city concentration · Charlotte

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 206 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 quality control 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 “quality control 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 quality control 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 quality control 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, 6,612 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 17, 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 quality control 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 quality control testing equipment manufacturers are there based in the United States?

RevenueBase identified 206 quality control 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 quality control testing equipment manufacturers?

Charlotte leads with 4 headquartered companies, followed by Houston (3) and Solon (3).

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 6,612 verified decision-maker contacts tracked across these 206 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 17, 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 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.