Company lists · Data refreshed October 2026

Top 25 Process electric heaters suppliers based in the United States

RevenueBase identified 392 company matches for process electric heaters suppliers associated with the United States as of October 2026 and tracks 14,210 professional contacts across them, including 5,520 with verified work emails. Houston is the largest hub.

This list covers company matches for process electric 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 October 29, 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 Oct 29, 2026 How this list was built
392Companies
14,210Contacts tracked
5,520Verified emails
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The 25 largest process electric heaters suppliers based in the United States

Ranked by team size
Top 25 of 392 company matches for process electric heaters suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 29, 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, NY, United StatesHQ recorded Oct 29, 20261,001-5,0002,039 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 · Oct 29, 2026 · View company records in RevenueBase
2Exact matchTulsa, OK, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
4Exact matchPittsburgh, PA, United StatesHQ recorded Oct 29, 20261,001-5,000654 contacts →

Exact match

“When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
5Exact matchBuffalo, NY, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
6Exact matchCary, IL, United StatesHQ recorded Oct 29, 2026201-500273 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
7Exact matchOxnard, United StatesHQ recorded Oct 29, 2026501-1,000245 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 · Oct 29, 2026 · View company records in RevenueBase
8Exact matchWarren, OH, United StatesHQ recorded Oct 29, 2026201-500233 contacts →

Exact match

“Ajax TOCCO Magnethermic® designs and manufactures world class induction heating and melting equipment for various industries and applications throughout the world.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
9Exact matchLa Palma, CA, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
10Exact matchHayward, CA, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
11Exact matchLafayette, LA, United StatesHQ recorded Oct 29, 2026201-500202 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 · Oct 29, 2026 · View company records in RevenueBase
12Exact matchHayward, CA, United StatesHQ recorded Oct 29, 2026201-500193 contacts →

Exact match

“R.F.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
13Exact matchWellsville, NY, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
14Exact matchPulaski, NY, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
15Exact matchBennettsville, SC, United StatesHQ recorded Oct 29, 2026201-500168 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 · Oct 29, 2026 · View company records in RevenueBase
16Exact matchCollinsville, OK, United StatesHQ recorded Oct 29, 2026201-500167 contacts →

Exact match

“Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
17Exact matchColumbus, OH, United StatesHQ recorded Oct 29, 2026201-500161 contacts →

Exact match

“With a broad range of experience in solving customers’ applications for viscosity control, condensation prevention, process heat, and freeze protection, BriskHeat is a worldwide…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
18Exact matchWilloughby, OH, United StatesHQ recorded Oct 29, 2026201-500159 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 · Oct 29, 2026 · View company records in RevenueBase
19Exact matchSpokane, WA, United StatesHQ recorded Oct 29, 202651-200140 contacts →

Exact match

“With over 80 years of engine heating manufacturing and integration expertise, customers can depend on Hotstart to keep standby gensets, machinery, ships, locomotives, equipment…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
21Exact matchLeavenworth, KS, United StatesHQ recorded Oct 29, 2026201-500124 contacts →

Exact match

“Heatron's engineers are experts in thermal management.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
22Exact matchCookeville, TN, United StatesHQ recorded Oct 29, 20261,001-5,000123 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 · Oct 29, 2026 · View company records in RevenueBase
23Exact matchJohnson City, TN, United StatesHQ recorded Oct 29, 2026501-1,000123 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 · Oct 29, 2026 · View company records in RevenueBase
24Exact matchWaukesha, WI, United StatesHQ recorded Oct 29, 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 · Oct 29, 2026 · View company records in RevenueBase
25Exact matchMadison Heights, MI, United StatesHQ recorded Oct 29, 2026201-50090 contacts →

Exact match

“We design, build and repair high-quality general purpose, turn-key, and fully automated induction heating equipment.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase

Showing 25 of 392 process electric heaters suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 5,520 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Process electric heaters suppliers based in the United States at a glance

As of Oct 29, 2026
38.8%Verified-email coverage
36.2Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Houston
Oct 29, 2026Page data refreshed

Companies by employee count

1-10
147
11-50
135
51-200
72
201-500
20
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 392 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 “process electric 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 5,520 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 October 29, 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 “process electric heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many process electric heaters suppliers are there based in the United States?

RevenueBase identified 392 company matches for process electric heaters suppliers associated with the United States as of October 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 process electric heaters suppliers?

Houston leads with 8 company records, followed by Tulsa (8) and Warren (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 5,520 professional contacts with verified work emails tracked across these 392 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 October 29, 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.