Company lists · Data refreshed September 2026

Top 25 Environmental data logging equipment companies based in the United States

RevenueBase identified 160 environmental data logging equipment companies headquartered in the United States as of September 2026 and tracks 4,239 professional contacts across them, including 1,603 with verified work emails. Logan is the largest hub.

This list covers environmental data logging equipment companies 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 19, 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 19, 2026 86% judged on-target in blind review
160Companies
4,239Contacts tracked
1,603Verified emails
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The 25 largest environmental data logging equipment companies based in the United States

Ranked by team size
Top 25 of 160 environmental data logging equipment companies based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to environmental data logging equipment companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNorwalk, CT, United StatesHQ checked Sep 19, 2026501-1,000582 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceLogan, UT, United StatesHQ checked Sep 19, 2026201-500560 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceSterling, VA, United StatesHQ checked Sep 19, 2026201-500231 contacts →

Indirect evidence

“OTT HydroMet works to deliver customer outcomes by providing decision makers with vital insights they trust.”

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceYellow Springs, OH, United StatesHQ checked Sep 19, 2026201-500194 contacts →

Strong evidence

“YSI is the maker of environmental, laboratory, and municipal monitoring instruments, sensors, software, systems, and data collection platforms for water quality monitoring and…”

Source: RevenueBase Database · checked Sep 19, 2026
5Strong evidencePullman, WA, United StatesHQ checked Sep 19, 2026201-500164 contacts →

Strong evidence

“METER Group designs and manufactures scientific instrumentation that delivers real-time, environmental data to the agricultural, urban, and research sectors.”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceChestertown, MD, United StatesHQ checked Sep 19, 2026201-500154 contacts →

Strong evidence

“Since 1919, we are a leading manufacturer of environmental testing equipment for water and soil.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceLincoln, NE, United StatesHQ checked Sep 19, 2026201-500136 contacts →

Partial evidence

“LI-COR is a leader in environmental measurement and monitoring solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceBellevue, WA, United StatesHQ checked Sep 19, 2026201-500127 contacts →

Indirect evidence

“Sea-Bird Scientific exists to help scientists know the world, and shape policy that changes it for the better.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 19, 202651-20095 contacts →

Indirect evidence

“What is the FEI Advantage?”

Source: RevenueBase Database · checked Sep 19, 2026
10Strong evidenceBourne, MA, United StatesHQ checked Sep 19, 202651-20085 contacts →

Strong evidence

“HOBO® Data Loggers, now a part of LI-COR Environmental, has been delivering award-winning environmental monitoring solutions since 1981.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceBoothwyn, PA, United StatesHQ checked Sep 19, 202651-20084 contacts →

Indirect evidence

“Nielsen-Kellerman, Inc.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceDenver, CO, United StatesHQ checked Sep 19, 202651-20083 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceTucson, AZ, United StatesHQ checked Sep 19, 202651-20072 contacts →

Indirect evidence

“For over 50 years, AGM Container Controls, Inc.(AGM) has led in the design and fabrication of products that control and monitor moisture (desiccators and humidity indicators)…”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceMequon, WI, United StatesHQ checked Sep 19, 202651-20056 contacts →

Strong evidence

“SEAL is a global manufacturer of environmental testing equipment primarily for the water quality industry and other environmental and industrial applications.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceSaline, MI, United StatesHQ checked Sep 19, 202651-20052 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceSolon, OH, United StatesHQ checked Sep 19, 202651-20050 contacts →

Partial evidence

“Founded in Ohio Lumex is an analytical technology company serving industrial, energy, environmental, and life sciences markets.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceAurora, IL, United StatesHQ checked Sep 19, 202611-5049 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceWarner, NH, United StatesHQ checked Sep 19, 202651-20045 contacts →

Partial evidence

“MadgeTech designs and manufactures data loggers, which are small, battery-powered, intelligent, electronic devices that measure and record physical parameters such as temperature…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceCarlsbad, CA, United StatesHQ checked Sep 19, 202651-20034 contacts →

Indirect evidence

“The Myron L® Company, originally founded in 1957 as a Research and Development company, is a privately owned and operated California Corporation.”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceBend, OR, United StatesHQ checked Sep 19, 202611-5034 contacts →

Partial evidence

“For over 35 years, DENT Instruments has manufactured portable energy meters, power analyzers, and data loggers to help optimize electrical systems.”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceMiddleton, WI, United StatesHQ checked Sep 19, 202651-20034 contacts →

Partial evidence

“Automation Components, Inc.(ACI) creates and distributes some of the best environmental sensors used all across the globe.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidencePullman, WA, United StatesHQ checked Sep 19, 202651-20034 contacts →

Indirect evidence

“Decagon was founded in 1983 by Dr.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 19, 202611-5031 contacts →

Indirect evidence

“XiltriX North America was established to make life sciences safer and more predictable through technology.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceMankato, MN, United StatesHQ checked Sep 19, 202611-5029 contacts →

Indirect evidence

“Micro-Trak Systems is an aggressive, young company, investing substantial resources internally for continued research and development.”

Source: RevenueBase Database · checked Sep 19, 2026
25Strong evidenceWaltham, MA, United StatesHQ checked Sep 19, 202651-20027 contacts →

Strong evidence

“A family-owned and operated, small business providing rentals, distribution, and repairs of environmental monitoring equipment, accessories, and related items.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 160 environmental data logging equipment companies based in the United States

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Environmental data logging equipment companies based in the United States at a glance

As of Sep 19, 2026
37.8%Verified-email coverage
26.5Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Logan
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
66
51-200
24
201-500
10
501-1,000
3
1,001-5,000
2
5,001-10,000
1
10001+
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 160 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 environmental data logging equipment companies, 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 “environmental data logging equipment companies”. 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 environmental data logging equipment companies), 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 environmental data logging equipment companies, 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, 1,603 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 19, 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 environmental data logging equipment companies, 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 environmental data logging equipment companies are there based in the United States?

RevenueBase identified 160 environmental data logging equipment companies 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?

Omega Engineering, headquartered in Norwalk, tops this list with the largest team on record.

Which city has the most environmental data logging equipment companies?

Logan leads with 4 headquartered companies, followed by Bourne (3) and Fairborn (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 1,603 verified decision-maker contacts tracked across these 160 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 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 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.