Company lists · Data refreshed November 2026

Top 25 Process heating equipment suppliers based in the United States

RevenueBase identified 601 company matches for process heating equipment suppliers associated with the United States as of November 2026 and tracks 12,012 professional contacts across them, including 4,701 with verified work emails. Tulsa is the largest hub.

This list covers company matches for process heating equipment 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 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
601Companies
12,012Contacts tracked
4,701Verified emails
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The 25 largest process heating equipment suppliers based in the United States

Ranked by team size
Top 25 of 601 company matches for process heating equipment suppliers 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 matchThomasville, WI, United StatesHQ recorded Nov 6, 20261,001-5,000695 contacts →

Exact match

“Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWalbridge, OH, United StatesHQ recorded Nov 6, 20261,001-5,000279 contacts →

Exact match

“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLa Palma, CA, United StatesHQ recorded Nov 6, 2026201-500239 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 6, 2026 · View company records in RevenueBase
4Exact matchPelham, AL, United StatesHQ recorded Nov 6, 2026201-500237 contacts →

Exact match

“With 40+ years of proven leadership in the design, manufacturing, installation, and service of heavy process equipment, ProcessBarron is the industry's total systems solutions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDe Pere, WI, United StatesHQ recorded Nov 6, 2026501-1,000214 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHayward, CA, United StatesHQ recorded Nov 6, 2026201-500211 contacts →

Exact match

“R.F.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 2026201-500208 contacts →

Exact match

“Nooter/Eriksen, the world's leading independent supplier of Natural Circulation Heat Recovery Steam Generators (HRSG) behind gas turbines, is a single source supplier of custom…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLafayette, LA, United StatesHQ recorded Nov 6, 2026201-500207 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPulaski, NY, United StatesHQ recorded Nov 6, 2026501-1,000177 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 6, 2026 · View company records in RevenueBase
11Exact matchCollinsville, OK, United StatesHQ recorded Nov 6, 2026201-500170 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBennettsville, SC, United StatesHQ recorded Nov 6, 2026201-500169 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLouisville, TX, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“WARE is a commercial and industrial, boiler rental and service company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCity Of Industry, CA, United StatesHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, OK, United StatesHQ recorded Nov 6, 2026501-1,000131 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 6, 2026 · View company records in RevenueBase
16Exact matchUtica, United StatesHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“ECR International, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCookeville, TN, United StatesHQ recorded Nov 6, 20261,001-5,000127 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRancocas, NJ, United StatesHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“We have considerable experience in supplying custom-built equipment to suit highly specialized or individual requirements, enabling us to provide a comprehensive service and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLakeville, MN, United StatesHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Despatch is a member of ITW EAE, a division of Illinois Tools Works, Inc, and has specialized in thermal processing for over 100 years and is actively using this technical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchBaltimore, PA, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOwensboro, KY, United StatesHQ recorded Nov 6, 2026501-1,000119 contacts →

Exact match

“Specialty Mechanical Contractor Shop & Field Services Design & Engineering Fabrication HRSG/Boiler Manufacturing & Erection Turbine Generator Installation, Repair & Maintenance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPekin, IL, United StatesHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Manufacturing Maintenance Solutions, Inc (MMS) is a service organization dedicated to enhancing its customers' profitability by providing expert manufacturing equipment contract…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDanbury, OK, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Preferred Utilities Manufacturing Corporation is an engineering-based manufacturer of products for commercial, institutional, industrial and nuclear power facilities.”

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

Showing 25 of 601 process heating equipment suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 4,701 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Process heating equipment suppliers based in the United States at a glance

As of Nov 6, 2026
39.1%Verified-email coverage
20.0Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Tulsa
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
220
11-50
230
51-200
113
201-500
24
501-1,000
7
1,001-5,000
5

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 601 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 heating equipment 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 4,701 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 “process heating equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many process heating equipment suppliers are there based in the United States?

RevenueBase identified 601 company matches for process heating equipment 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?

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

Which city has the most process heating equipment suppliers?

Tulsa leads with 16 company records, followed by Houston (14) and Chattanooga (7).

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 4,701 professional contacts with verified work emails tracked across these 601 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.