Company lists · Data refreshed November 2026

Top 25 Precision temperature control manufacturers based in the United States

RevenueBase identified 320 company matches for precision temperature control manufacturers associated with the United States as of November 2026 and tracks 10,682 professional contacts across them, including 3,588 with verified work emails. Houston is the largest hub.

This list covers company matches for precision temperature control 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 November 6, 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 Nov 6, 2026 How this list was built
320Companies
10,682Contacts tracked
3,588Verified emails
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The 25 largest precision temperature control manufacturers based in the United States

Ranked by team size
Top 25 of 320 company matches for precision temperature control manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSt. Louis, VA, United StatesHQ recorded Nov 6, 20261,001-5,0002,112 contacts →

Exact match

“Watlow is a global industrial technology company that uses its world-class engineering expertise, advanced thermal systems and manufacturing excellence to provide a wide array of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMichigan City, IN, United StatesHQ recorded Nov 6, 20261,001-5,000672 contacts →

Exact match

“DwyerOmega is a trusted global leader in sensing, instrumentation, and process control solutions, supporting HVAC, industrial, manufacturing, and research applications where…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNorwalk, CT, United StatesHQ recorded Nov 6, 2026501-1,000623 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCary, IL, United StatesHQ recorded Nov 6, 2026201-500418 contacts →

Exact match

“Durex Industries has over 40 years of excellence in designing and manufacturing custom thermal solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStratford, CT, United StatesHQ recorded Nov 6, 20261,001-5,000402 contacts →

Exact match

“Ashcroft | Industrial Measurement & Control Solutions For over 170 years, Ashcroft has been the trusted global resource for industrial measurement and control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFrederick, TN, United StatesHQ recorded Nov 6, 2026501-1,000263 contacts →

Exact match

“STULZ Air Technology Systems, Inc.(STULZ USA) is the technology leader, providing cooling solutions and services for mission critical applications through the design and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHayward, CA, United StatesHQ recorded Nov 6, 2026201-500213 contacts →

Exact match

“Established in 1983, Therm-x takes pride in delivering thermal solutions incorporating our vertical integration capabilities including; Thermal Design and Test, CNC Machining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHudsonville, MI, United StatesHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“ESPEC North America builds quality test chambers in the United States as part of the ESPEC Group, which is the largest organizations solely dedicated to the manufacture of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWilloughby, OH, United StatesHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“For over 45 years, Process Technology has enabled Semiconductor, Industrial, and Surface Finishing businesses to realize their full potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“Since 1973, Daily Thermetrics has provided the global process industries with category-leading temperature measurement solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChatsworth, CA, United StatesHQ recorded Nov 6, 202611-50134 contacts →

Exact match

“For over 40 years Renau Corporation has been the foodservice industry's premier designer, developer, and manufacturer of custom control systems in the USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNashua, NC, United StatesHQ recorded Nov 6, 2026501-1,000132 contacts →

Exact match

“Wakefield Thermal is one of the world’s leading complete end-to-end thermal solutions design, engineering and manufacturing companies, with over 50 years experience solving…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchJohnson City, TN, United StatesHQ recorded Nov 6, 2026501-1,000129 contacts →

Exact match

“TPI Corporation is an OEM manufacturer of electric heat equipment, process heat ovens, ventilation products & fans, lighting equipment, and custom thermostatic controls for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWaukesha, WI, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Hydro-Thermal helps global manufacturers maintain product quality by heating liquids and process fluids reliably and to precise temperatures for a multitude of direct steam…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew Columbia, PA, United StatesHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Thermal Product Solutions (TPS) designs and manufactures industrial and laboratory ovens and furnaces, and environmental temperature cycling and stability test chambers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Founded in 1972, Environmental Specialties designs, manufactures, installs and services a diverse line of controlled environmental chambers that maintain precise conditions for a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWood Dale, CA, United StatesHQ recorded Nov 6, 2026201-50093 contacts →

Exact match

“Founded in 1972, Tempco is a trusted manufacturer and designer specializing in high-quality electric heating elements, temperature sensors, and power control products for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“Reotemp is a globally recognized manufacturer of temperature and pressure instrumentation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNiles, IL, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“We are the industry expert and value leader in process heating and cooling solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFort Wayne, IN, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Pyromation began operations in 1962 and is one of the leading producers of temperature sensing devices and equipment in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAmerican Fork, UT, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“With a new sq.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLancaster, NY, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Pfannenberg, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNiles, IL, United StatesHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“PolyScience is a leading producer of constant temperature control equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWilloughby, OH, United StatesHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“Innovative Thermal Solutions Since 1975 For over five decades, Budzar Industries has helped manufacturers around the world solve complex thermal challenges through…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“As the leading North American source for industrial thermal products, Big Chief is an industry pioneer for developing a wholly integrated manufacturing and distribution business…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 320 precision temperature control manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 3,588 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Precision temperature control manufacturers based in the United States at a glance

As of Nov 6, 2026
33.6%Verified-email coverage
33.4Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
119
11-50
106
51-200
63
201-500
21
501-1,000
7
1,001-5,000
4

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 320 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 “precision temperature control 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 3,588 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 November 6, 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 “precision temperature control manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many precision temperature control manufacturers are there based in the United States?

RevenueBase identified 320 company matches for precision temperature control manufacturers associated with the United States as of November 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?

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

Which city has the most precision temperature control manufacturers?

Houston leads with 6 company records, followed by Anaheim (5) and Cleveland (5).

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 3,588 professional contacts with verified work emails tracked across these 320 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 November 6, 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.