Company lists · Data refreshed November 2026

Top 25 Temperature control unit suppliers based in the United States

RevenueBase identified 308 company matches for temperature control unit suppliers associated with the United States as of November 2026 and tracks 8,690 professional contacts across them, including 3,282 with verified work emails. Indianapolis is the largest hub.

This list covers company matches for temperature control unit suppliers 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 2, 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 2, 2026 How this list was built
308Companies
8,690Contacts tracked
3,282Verified emails
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The 25 largest temperature control unit suppliers based in the United States

Ranked by team size
Top 25 of 308 company matches for temperature control unit suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchTulsa, OK, United StatesHQ recorded Nov 2, 20261,001-5,0001,315 contacts →

Exact match

“Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Nov 2, 20261,001-5,000960 contacts →

Exact match

“Industrial Process Heating Solutions Through its global network, Thermon provides safe, reliable and innovative mission critical industrial process heating solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchGreensboro, NC, United StatesHQ recorded Nov 2, 20261,001-5,000458 contacts →

Exact match

“Since 1947, Hoffman & Hoffman, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchRoseville, MN, United StatesHQ recorded Nov 2, 2026201-500279 contacts →

Exact match

“As a global leader in thermal control for power systems, Horton® offers a variety of technologies for transportation and industrial applications to operate at the optimal…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchFrederick, MD, United StatesHQ recorded Nov 2, 2026501-1,000257 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 2, 2026 · View company records in RevenueBase
6Exact matchPryor, OK, United StatesHQ recorded Nov 2, 2026501-1,000230 contacts →

Exact match

“RAE Corporation is a manufacturer of engineered cooling and refrigeration systems headquartered in Pryor, Oklahoma, approximately 45 miles northeast of Tulsa.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchHayward, CA, United StatesHQ recorded Nov 2, 2026201-500204 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 2, 2026 · View company records in RevenueBase
8Exact matchKalamazoo, MI, United StatesHQ recorded Nov 2, 202651-200135 contacts →

Exact match

“Dimplex Thermal Solutions is a leading manufacturer of industrial and process chillers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchNashua, NH, United StatesHQ recorded Nov 2, 2026501-1,000135 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 2, 2026 · View company records in RevenueBase
10Exact matchPhoenix, AZ, United StatesHQ recorded Nov 2, 202651-200112 contacts →

Exact match

“MPSW is a technical sales company that represents world class “HVAC Engineered Equipment” manufacturers in the Arizona, New Mexico, and El Paso markets.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchWaukesha, WI, United StatesHQ recorded Nov 2, 202651-200112 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 2, 2026 · View company records in RevenueBase
12Exact matchRaleigh, NC, United StatesHQ recorded Nov 2, 202651-20091 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 2, 2026 · View company records in RevenueBase
13Exact matchChesterfield, MO, United StatesHQ recorded Nov 2, 202651-20090 contacts →

Exact match

“At Daikin TMi LLC, we provide HVAC equipment and integrated building control solutions that keep building environments focused on their operations.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchNiles, IL, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
15Exact matchEl Paso, TX, United StatesHQ recorded Nov 2, 2026201-50082 contacts →

Exact match

“Design + Build & Manufacturing HVAC Company.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchNew Castle, DE, United StatesHQ recorded Nov 2, 202651-20081 contacts →

Exact match

“ModernControls is a full-service Building Automation and HVACR service company.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchValley View, OH, United StatesHQ recorded Nov 2, 202651-20075 contacts →

Exact match

“HVAC Equipment, National HVACR Service and Maintenance, Retrofits, Building Automated Controls, Security and Data Center Management.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchNiles, IL, United StatesHQ recorded Nov 2, 202651-20071 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 2, 202651-20067 contacts →

Exact match

“Founded in 1974, DWD International designs, manufactures, installs, and maintains industrial HVAC, pressurization, filtration and control systems that can withstand the most…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchPennington, NJ, United StatesHQ recorded Nov 2, 202651-20056 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchSan Diego, CA, United StatesHQ recorded Nov 2, 2026n/a55 contacts →

Exact match

“Energy Labs is the premium manufacturer of custom cooling solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchCanton, MA, United StatesHQ recorded Nov 2, 202651-20051 contacts →

Exact match

“NRM implements best-in-class controls, monitoring, and automation solutions for commercial and industrial refrigeration systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchWilloughby, OH, United StatesHQ recorded Nov 2, 202651-20051 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 2, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Nov 2, 202611-5050 contacts →

Exact match

“Headquartered in Chicago with 11 locations, South Side Control Supply Co.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchMahwah, NJ, United StatesHQ recorded Nov 2, 202651-20045 contacts →

Exact match

“Hughes Environmental Engineering is one of the oldest and largest mechanical service providers in the metropolitan New York area.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 308 temperature control unit suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 3,282 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Temperature control unit suppliers based in the United States at a glance

As of Nov 2, 2026
37.8%Verified-email coverage
28.2Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Indianapolis
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
121
11-50
101
51-200
59
201-500
12
501-1,000
4
1,001-5,000
7
5,001-10,000
2
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 308 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 “temperature control unit suppliers” 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 3,282 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 2, 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 “temperature control unit suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many temperature control unit suppliers are there based in the United States?

RevenueBase identified 308 company matches for temperature control unit suppliers 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?

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

Which city has the most temperature control unit suppliers?

Indianapolis leads with 7 company records, followed by Dallas (6) and Houston (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 3,282 professional contacts with verified work emails tracked across these 308 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 2, 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.