Company lists · Data refreshed September 2026

Top 25 Scientific instrument manufacturers based in the United States

Name: Scientific instrument 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 562 companies tracked

RevenueBase identified 562 scientific instrument manufacturers headquartered in the United States as of September 2026 and tracks 20,691 professional contacts across them, including 7,384 with verified work emails. San Diego is the largest hub.

This list covers scientific instrument 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

562Companies

20,691Contacts tracked

7,384Verified emails

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The 25 largest scientific instrument manufacturers based in the United States

Ranked by team size

Top 25 of 562 scientific instrument 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 scientific instrument 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	Thorlabs	Partial evidence	Newton, NJ, United StatesHQ checked Sep 17, 2026	1,001-5,000	1,348 contacts →
	Partial evidence “Thorlabs is a leading designer and manufacturer of photonics equipment for research, manufacturing, and biomedical applications.” Source: RevenueBase Database · checked Sep 17, 2026
2	TSI Incorporated	Indirect evidence	Shoreview, MN, United StatesHQ checked Sep 17, 2026	501-1,000	1,211 contacts →
	Indirect evidence “TSI Incorporated serves a global market by investigating, identifying and solving measurement problems.” Source: RevenueBase Database · checked Sep 17, 2026
3	Hamilton Company	Indirect evidence	Reno, NV, United StatesHQ checked Sep 17, 2026	501-1,000	1,021 contacts →
	Indirect evidence “Hamilton Company is a global enterprise with headquarters in Reno, Nevada; Franklin, Massachusetts; and Bonaduz, Switzerland and subsidiary offices throughout the world.” 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	Strong evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	501-1,000	703 contacts →
	Strong 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	Shimadzu Scientific Instruments	Strong evidence	Columbia, MD, United StatesHQ checked Sep 17, 2026	501-1,000	674 contacts →
	Strong evidence “Headquartered in Columbia, Maryland, Shimadzu Scientific Instruments (SSI) is the American subsidiary of Shimadzu Corporation (Kyoto, Japan), a world leader in the development of…” Source: RevenueBase Database · checked Sep 17, 2026
7	Transcat	Indirect evidence	Rochester, NY, United StatesHQ checked Sep 17, 2026	501-1,000	673 contacts →
	Indirect 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
8	TA Instruments	Partial evidence	New Castle, DE, United StatesHQ checked Sep 17, 2026	501-1,000	663 contacts →
	Partial evidence “Waters Materials Sciences (Formerly TA Instruments) provides innovative material characterization instruments that are widely used for research, analysis, and quality control in…” Source: RevenueBase Database · checked Sep 17, 2026
9	Campbell Scientific	Indirect evidence	Logan, UT, United StatesHQ checked Sep 17, 2026	201-500	560 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
10	Hanna Instruments	Strong evidence	Smithfield, RI, United StatesHQ checked Sep 17, 2026	1,001-5,000	558 contacts →
	Strong evidence “Hanna Instruments, Inc is the world’s largest privately held manufacturer of analytical and scientific instruments.” Source: RevenueBase Database · checked Sep 17, 2026
11	Bruker Nano Surfaces & Metrology	Indirect evidence	Santa Barbara, CA, United StatesHQ checked Sep 17, 2026	201-500	508 contacts →
	Indirect evidence “For 60 years, Bruker has enabled scientists to make breakthrough discoveries and develop new applications that improve the quality of human life.” Source: RevenueBase Database · checked Sep 17, 2026
12	Kewaunee Scientific Corp	Partial evidence	Statesville, NC, United StatesHQ checked Sep 17, 2026	501-1,000	426 contacts →
	Partial evidence “Kewaunee Scientific Corporation, founded in 1906, carries a lasting legacy of design, engineering, and manufacturing excellence.” Source: RevenueBase Database · checked Sep 17, 2026
13	Cole-Parmer	Partial evidence	Vernon Hills, IL, United StatesHQ checked Sep 17, 2026	1,001-5,000	270 contacts →
	Partial evidence “Speed your scientific discovery with products from Cole-Parmer since 1955.” Source: RevenueBase Database · checked Sep 17, 2026
14	Metrohm USA	Indirect evidence	Riverview, FL, United StatesHQ checked Sep 17, 2026	201-500	253 contacts →
	Indirect evidence “At Metrohm USA, we're more than a leader in chemical analysis; we're a community driven by passion, integrity, and a commitment to quality and innovation.” Source: RevenueBase Database · checked Sep 17, 2026
15	Anton Paar USA	Partial evidence	Ashland, VA, United StatesHQ checked Sep 17, 2026	201-500	246 contacts →
	Partial evidence “Anton Paar develops, produces, distributes and provides support for analytical instruments used in research, development and quality control worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
16	KPM Analytics	Partial evidence	Westborough, MA, United StatesHQ checked Sep 17, 2026	201-500	244 contacts →
	Partial 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
17	Waters Wyatt Technology	Partial evidence	Goleta, CA, United StatesHQ checked Sep 17, 2026	201-500	237 contacts →
	Partial evidence “Waters Corporation is a global leader in analytical instruments, separations technologies, and software, serving the life, materials, food, and environmental sciences for over 65…” Source: RevenueBase Database · checked Sep 17, 2026
18	Quantum Design	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 17, 2026	201-500	225 contacts →
	Indirect evidence “For more than 40 years Quantum Design (QD) has been providing technology solutions to researchers in the fields of physics, chemistry, biotechnology, materials science, and…” Source: RevenueBase Database · checked Sep 17, 2026
19	Elemental Scientific	Partial evidence	Omaha, NE, United StatesHQ checked Sep 17, 2026	201-500	208 contacts →
	Partial evidence “Elemental Scientific (ESI) supports scientific work through online monitoring systems, laboratory automation products, sample preparation accessories, and precision sample…” Source: RevenueBase Database · checked Sep 17, 2026
20	Gatan INC	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 17, 2026	51-200	201 contacts →
	Indirect evidence “Gatan, Inc.” Source: RevenueBase Database · checked Sep 17, 2026
21	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
22	Harvard Bioscience	Strong evidence	Holliston, MA, United StatesHQ checked Sep 17, 2026	501-1,000	180 contacts →
	Strong evidence “Harvard Bioscience is a global developer, manufacturer and marketer of a broad range of specialized products, primarily apparatus and scientific instruments used to advance life…” Source: RevenueBase Database · checked Sep 17, 2026
23	Ocean Optics	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 17, 2026	201-500	163 contacts →
	Indirect evidence “Ocean Optics pioneered miniature spectrometers and delivers spectral solutions to researchers, OEMs and industrial customers, also designs and builds industrial-grade photonics…” Source: RevenueBase Database · checked Sep 17, 2026
24	Biotek Instruments	Strong evidence	Winooski, VT, United StatesHQ checked Sep 17, 2026	10001+	140 contacts →
	Strong evidence “BioTek, now a part of Agilent Technologies, is a worldwide leader in the design, manufacture, and distribution of innovative life science instrumentation.” Source: RevenueBase Database · checked Sep 17, 2026
25	Li-Cor	Indirect evidence	Lincoln, NE, United StatesHQ checked Sep 17, 2026	201-500	136 contacts →
	Indirect evidence “LI-COR is a leader in environmental measurement and monitoring solutions.” 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: scientific instrument 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 scientific instrument manufacturers.
Partial evidence: Its own public description names part of scientific instrument manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name scientific instrument 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 562 scientific instrument manufacturers based in the United States

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Scientific instrument manufacturers based in the United States at a glance

As of Sep 17, 2026

35.7%Verified-email coverage

36.8Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · San Diego

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

209

11-50

190

51-200

105

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 562 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 scientific instrument 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 “scientific instrument 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 scientific instrument 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 scientific instrument 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, 7,384 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 scientific instrument 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 scientific instrument manufacturers are there based in the United States?

RevenueBase identified 562 scientific instrument 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?

Thorlabs, headquartered in Newton, tops this list with the largest team on record.

Which city has the most scientific instrument manufacturers?

San Diego leads with 15 headquartered companies, followed by Houston (13) and San Jose (6).

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 7,384 verified decision-maker contacts tracked across these 562 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.