Company lists · Data refreshed November 2026

Top 25 Thermal fluid heaters suppliers based in the United States

RevenueBase identified 128 company matches for thermal fluid heaters suppliers associated with the United States as of November 2026 and tracks 4,100 professional contacts across them, including 1,462 with verified work emails. Houston is the largest hub.

This list covers company matches for thermal fluid heaters 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
128Companies
4,100Contacts tracked
1,462Verified emails
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The 25 largest thermal fluid heaters suppliers based in the United States

Ranked by team size
Top 25 of 128 company matches for thermal fluid heaters 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 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
2Exact matchBuffalo, NY, United StatesHQ recorded Nov 2, 20261,001-5,000379 contacts →

Exact match

“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchLa Palma, CA, United StatesHQ recorded Nov 2, 2026201-500233 contacts →

Exact match

“At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchWellsville, NY, United StatesHQ recorded Nov 2, 20261,001-5,000189 contacts →

Exact match

“LJUNGSTRÖM is a global leader in heat transfer, energy technology, and advanced manufacturing, delivering engineered solutions that improve performance, reliability, and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchPulaski, NY, United StatesHQ recorded Nov 2, 2026501-1,000168 contacts →

Exact match

“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 2, 2026501-1,000129 contacts →

Exact match

“Petro-Chem Development Co, Inc (PCD) was founded in 1939 and has been recognized as a leader in the design and production of fired heaters and furnaces.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchKennesaw, GA, United StatesHQ recorded Nov 2, 202651-20081 contacts →

Exact match

“Welcome to CEC!”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchMarietta, GA, United StatesHQ recorded Nov 2, 202651-20076 contacts →

Exact match

“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchChattanooga, TN, United StatesHQ recorded Nov 2, 2026201-50075 contacts →

Exact match

“Manufacturer of heaters, tanks and related products for a wide variety of industries.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchMissouri City, TX, United StatesHQ recorded Nov 2, 202651-20065 contacts →

Exact match

“Since 1977, Willbanks has provided advanced solutions and support for thousands of commercial heating systems and equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchSand Springs, OK, United StatesHQ recorded Nov 2, 202651-20055 contacts →

Exact match

“OGI (Oil, Gas, and Industrial) Process Equipment designs, manufactures, sells, and services TERI brand indirect fired water bath heaters and QuikWater® brand direct fired water…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchNew Orleans, LA, United StatesHQ recorded Nov 2, 202651-20039 contacts →

Exact match

“Steam Solutions keeps commercial and industrial facilities operating at peak performance through its specialized knowledge of steam systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchSugar Land, TX, United StatesHQ recorded Nov 2, 202611-5037 contacts →

Exact match

“FURNACE IMPROVEMENTS SERVICES (FIS) has been actively providing value-added solutions for Fired Heaters, Boilers, and Waste Heat Recovery Units to end-users around the world for…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchOklahoma City, OK, United StatesHQ recorded Nov 2, 202651-20035 contacts →

Exact match

“Since 1918 Federal has been a leading thermal solutions provider in the Midwest.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchCoatesville, PA, United StatesHQ recorded Nov 2, 202651-20030 contacts →

Exact match

“The Armstrong Chemtec group of companies has been a major supplier of specialty heat transfer equipment to the oil refining, gas processing, chemical and petrochemical industries…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchMedford, WI, United StatesHQ recorded Nov 2, 202651-20028 contacts →

Exact match

“Enerquip has been a trusted provider of American-made sanitary and industrial heating and cooling solutions since 1985.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchTulsa, OK, United StatesHQ recorded Nov 2, 202611-5027 contacts →

Exact match

“OnQuest provides global fired heater engineering, API 530 and API 560 heater design, syngas reformers, waste heat recovery units, SCR systems, and heater revamp solutions for the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchTulsa, OK, United StatesHQ recorded Nov 2, 202611-5026 contacts →

Exact match

“Tulsa Heaters Midstream is a reliable, flexible heater and combustion company that specializes in the midstream Gas Processing industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchTulsa, OK, United StatesHQ recorded Nov 2, 202611-5024 contacts →

Exact match

“Tulsa Heaters, Inc.(THI) is a private Engineering firm located in Tulsa, OK, celebrating 35 years of service to the global oil & gas industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchHarrison, OH, United StatesHQ recorded Nov 2, 202611-5019 contacts →

Exact match

“Stelter & Brinck has been in the process heating industry for over 100 years!”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 2, 202611-5017 contacts →

Exact match

“Birwelco USA Inc.(BUSA) A BIH Group Company is a recognized industry leader in the complete support of existing API 560 based heaters and furnaces.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchCharlotte, NC, United StatesHQ recorded Nov 2, 202611-5017 contacts →

Exact match

“QMax Industries, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchMagnolia, TX, United StatesHQ recorded Nov 2, 202611-5016 contacts →

Exact match

“Exotherm Corporation is a leader in the design and manufacturing of custom engineered process heaters for direct and indirect heating applications.”

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

Showing 25 of 128 thermal fluid heaters suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,462 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Thermal fluid heaters suppliers based in the United States at a glance

As of Nov 2, 2026
35.7%Verified-email coverage
32.0Average contacts per company
11-50Median size (employees)
5.5%Largest-city concentration · Houston
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
51
11-50
46
51-200
20
201-500
3
501-1,000
2
1,001-5,000
4
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 128 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 “thermal fluid heaters 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 1,462 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 “thermal fluid heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many thermal fluid heaters suppliers are there based in the United States?

RevenueBase identified 128 company matches for thermal fluid heaters 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?

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

Which city has the most thermal fluid heaters suppliers?

Houston leads with 7 company records, followed by Tulsa (6) and Alpharetta (2).

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 1,462 professional contacts with verified work emails tracked across these 128 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.