Company lists · Data refreshed September 2026

Top 25 Fired heater manufacturers based in the United States

RevenueBase identified 325 company matches for fired heater manufacturers associated with the United States as of September 2026 and tracks 10,504 professional contacts across them, including 3,658 with verified work emails. Tulsa is the largest hub.

This list covers company matches for fired heater 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 September 30, 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 Sep 30, 2026 How this list was built
325Companies
10,504Contacts tracked
3,658Verified emails
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The 25 largest fired heater manufacturers based in the United States

Ranked by team size
Top 25 of 325 company matches for fired heater manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 Sep 30, 20261,001-5,000901 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 · Sep 30, 2026 · View company records in RevenueBase
2Exact matchTulsa, OK, United StatesHQ recorded Sep 30, 20261,001-5,000883 contacts →

Exact match

“Since 1979, Zeeco is the trusted worldwide source for the design and manufacturing of combustion and environmental solutions for the refining, petrochemical, production, power and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchBuffalo, NY, United StatesHQ recorded Sep 30, 20261,001-5,000364 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 · Sep 30, 2026 · View company records in RevenueBase
4Exact matchSand Springs, OK, United StatesHQ recorded Sep 30, 2026201-500327 contacts →

Exact match

“Since 1972, CUST-O-FAB has maintained a reputation of consistently providing quality ASME Code fabricated equipment and on-site services for the refining, petrochemical, syngas…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchBatavia, NY, United StatesHQ recorded Sep 30, 2026201-500277 contacts →

Exact match

“Graham Manufacturing, a GHM Company, designs and builds vacuum and heat transfer equipment for process industries worldwide.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchOxnard, United StatesHQ recorded Sep 30, 2026501-1,000242 contacts →

Exact match

“For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchLa Palma, CA, United StatesHQ recorded Sep 30, 2026201-500219 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 · Sep 30, 2026 · View company records in RevenueBase
8Exact matchLafayette, LA, United StatesHQ recorded Sep 30, 2026201-500190 contacts →

Exact match

“Analytic Stress made a commitment to quality, safety, and the customer when the company started in the Fall of 1979.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchWellsville, NY, United StatesHQ recorded Sep 30, 20261,001-5,000184 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 · Sep 30, 2026 · View company records in RevenueBase
10Exact matchPulaski, NY, United StatesHQ recorded Sep 30, 2026501-1,000171 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 · Sep 30, 2026 · View company records in RevenueBase
11Exact matchBennettsville, SC, United StatesHQ recorded Sep 30, 2026201-500167 contacts →

Exact match

“Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 30, 2026501-1,000127 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 · Sep 30, 2026 · View company records in RevenueBase
13Exact matchBelleville, IL, United StatesHQ recorded Sep 30, 2026201-500126 contacts →

Exact match

“Empire Comfort Systems: A Company Perspective · Family Owned Since 1932 · A Full Line of Gas-Fired Products for the Independent Dealer · Made in the USA Empire – a Family-Owned…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchAustin, TX, United StatesHQ recorded Sep 30, 2026201-500125 contacts →

Exact match

“Aereon has become the international arm of Cimarron, an international solution provider that engineers and manufactures environmental control, production, and process equipment…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchMcgregor, TX, United StatesHQ recorded Sep 30, 20261,001-5,000124 contacts →

Exact match

“TransTech Group is a leading provider of engineered solutions and services for the energy and industrial process industries.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchCookeville, TN, United StatesHQ recorded Sep 30, 20261,001-5,000119 contacts →

Exact match

“Founded in 1938, Tutco has quickly grown into a global leader in the heating component industry.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchPaola, KS, United StatesHQ recorded Sep 30, 2026201-500105 contacts →

Exact match

“Taylor Forge Engineered Systems, Inc.( TFES), is a leading manufacturer of large custom fabricated steel products for the energy, chemical and aerospace industries with products…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchHays, KS, United StatesHQ recorded Sep 30, 202651-20078 contacts →

Exact match

“Hess Services Inc is an oil & energy company based out of 2670 E 9th St, Hays, Kansas, United States.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchNew Bedford, MA, United StatesHQ recorded Sep 30, 202651-20076 contacts →

Exact match

“Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchPittsburgh, PA, United StatesHQ recorded Sep 30, 202611-5075 contacts →

Exact match

“PCC’s mission is to apply our know-how with confidence to design, supply and service high-tech, energy-efficient, dependable combustion and pollution control systems that provide…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchSpring, TX, United StatesHQ recorded Sep 30, 2026201-50075 contacts →

Exact match

“Welcome to Titan.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchMarietta, GA, United StatesHQ recorded Sep 30, 202651-20075 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchKennesaw, GA, United StatesHQ recorded Sep 30, 202651-20075 contacts →

Exact match

“Welcome to CEC!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Sep 30, 202651-20072 contacts →

Exact match

“Why King?”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchChattanooga, TN, United StatesHQ recorded Sep 30, 2026201-50071 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 325 fired heater manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 3,658 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fired heater manufacturers based in the United States at a glance

As of Sep 30, 2026
34.8%Verified-email coverage
32.3Average contacts per company
11-50Median size (employees)
6.8%Largest-city concentration · Tulsa
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
117
51-200
82
201-500
21
501-1,000
7
1,001-5,000
11

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 325 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 “fired heater 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 3,658 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 September 30, 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 “fired heater manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fired heater manufacturers are there based in the United States?

RevenueBase identified 325 company matches for fired heater manufacturers associated with the United States as of September 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 fired heater manufacturers?

Tulsa leads with 22 company records, followed by Houston (20) and Austin (4).

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 3,658 professional contacts with verified work emails tracked across these 325 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 September 30, 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.