Company lists · Data refreshed November 2026

Top 25 Used oil boilers suppliers worldwide

RevenueBase identified 234 company matches for used oil boilers suppliers worldwide as of November 2026 and tracks 3,078 professional contacts across them, including 839 with verified work emails. The United States is the largest market and Zhengzhou the largest hub.

This list covers company matches for used oil boilers suppliers worldwide, 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 3, 2026. Country and city lists for used oil boilers suppliers follow the table.

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 3, 2026 How this list was built
234Companies
3,078Contacts tracked
839Verified emails
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The 25 largest used oil boilers suppliers worldwide

Ranked by team size
Top 25 of 234 company matches for used oil boilers suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchDallas, TX, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
2Exact matchCollinsville, OK, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
3Exact matchLouisville, TX, United StatesHQ recorded Nov 3, 202651-200161 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchCharlotte, NC, United StatesHQ recorded Nov 3, 202651-20095 contacts →

Exact match

“Founded in 1977, C&C Boiler Sales & Service, Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchUtrecht, NetherlandsHQ recorded Nov 3, 202651-20090 contacts →

Exact match

“Standard Fasel is operating in different energy segments: Boiler Technology Standard Fasel is the expert for the delivery and putting into service of cilindrical, waterpipe…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchHutchinson, KS, United StatesHQ recorded Nov 3, 202651-20089 contacts →

Exact match

“Superior Boiler provides engineered energy solutions and is a leader in clean air emissions technology.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchScott, TX, United StatesHQ recorded Nov 3, 2026201-50087 contacts →

Exact match

“Global Supplier of Reconditioned, New and As-Is Oil and Gas Process Equipment.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchCoolidge, GA, United StatesHQ recorded Nov 3, 2026201-50077 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchSalete, BrazilHQ recorded Nov 3, 202651-20075 contacts →

Exact match

“A Secamaq, sediada em Salete, estado de Santa Catarina, é precursora e estende sua gestão a um grupo de empresas, advindas da correlação de atividades em nichos de mercado, é…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchGallarate, ItalyHQ recorded Nov 3, 2026201-50063 contacts →

Exact match

“Macchi, part of the Sofinter Group, supplies Industrial Fired Boilers, Heat Recovery Boilers and Biomass Boilers Macchi has a very strong reputation for reliability and delivery…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchMountlake Terrace, OR, United StatesHQ recorded Nov 3, 202651-20061 contacts →

Exact match

“Since 1964, Cole Industrial has been the Northwest's leading provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchFremont, CA, United StatesHQ recorded Nov 3, 202651-20057 contacts →

Exact match

“Since 1967 Nationwide Boiler has provided reliable rental boilers to process steam users across the globe.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchPune, IndiaHQ recorded Nov 3, 2026201-50055 contacts →

Exact match

“With 43+ years of experience, Rakhoh Boilers has achieved an outstanding reputation globally as leading manufacturers of Industrial Steam Boilers.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchHayward, CA, United StatesHQ recorded Nov 3, 202611-5050 contacts →

Exact match

“Since being founded in 1976, Bay City Boiler has grown to become the largest provider of commercial and industrial boiler service and sales in Northern California.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchDelanco, NJ, United StatesHQ recorded Nov 3, 202651-20048 contacts →

Exact match

“Powerhouse is "The Ultimate Boiler Expert".”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchItalyHQ recorded Nov 3, 202651-20047 contacts →

Exact match

“PENSOTTI FABBRICA CALDAIE LEGNANO SpA, a company part of SICES Group, has its headquarters in Legnano, in the northern part of Italy.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Nov 3, 202651-20040 contacts →

Exact match

“GCB Industries | Trusted Experts in Fired-Equipment Solutions GCB Industries is a mechanical and fired-equipment services platform specializing in boiler plants, central utility…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchMemphis, TN, United StatesHQ recorded Nov 3, 202611-5033 contacts →

Exact match

“Power Equipment Company (Power Equipment of Memphis) specializes in energy systems and heat generating products, providing the knowledge, products, services and supplies necessary…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchCape Town, South AfricaHQ recorded Nov 3, 202611-5029 contacts →

Exact match

“Combustion Technology is the Market leader in Oil and Gas Burners and Boiler installations, sales and service in the Southern Hemisphere.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchMonterrey, MexicoHQ recorded Nov 3, 202651-20026 contacts →

Exact match

“Cypros ofrece soluciones para incrementar la eficiencia y el rendimiento energético de tus equipos.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchCelrà, SpainHQ recorded Nov 3, 202651-20023 contacts →

Exact match

“In ATTSU we do specialize in manufacturing industrial boilers, steam boilers, superheated water boilers, thermal oil boilers and other related equipment, that work with natural…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 3, 202651-20019 contacts →

Exact match

“Brox was established in 1991 and started its first production with Natural Gas Liquid Fuel Burners.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchMontréal-nord, QC, CanadaHQ recorded Nov 3, 202611-5018 contacts →

Exact match

“MATCO, c’est 70 ans d’expertise dans la distribution, l’entretien et la réparation de chaudières et de chauffe-eaux commerciaux et industriels.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchCincinnati, OH, United StatesHQ recorded Nov 3, 202611-5017 contacts →

Exact match

“Smith Hughes is a 3rd generation, family owned business with over almost 80 years of experience in sales, service, rental and installation of packaged boilers and boiler room…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchIllescas, SpainHQ recorded Nov 3, 202611-5016 contacts →

Exact match

“Sincal fabrica en Illescas calderas industriales de vapor, agua caliente y fluido térmico.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 234 used oil boilers suppliers worldwide

See the full list, filter by size, metro and specialty, and access 839 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Used oil boilers suppliers worldwide at a glance

As of Nov 3, 2026
27.3%Verified-email coverage
13.2Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Zhengzhou
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
84
11-50
86
51-200
37
201-500
11
501-1,000
7
5,001-10,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for used oil boilers suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “used oil boilers 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. 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 839 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 3, 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.

Used oil boilers suppliers by location

1 lists · largest first

Every Used oil boilers suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “used oil boilers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many used oil boilers suppliers are there worldwide?

RevenueBase identified 234 company matches for used oil boilers suppliers worldwide 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 Sales And Service tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most used oil boilers suppliers?

The United States leads with 59 companies. Every used oil boilers suppliers list by country and city is linked on this page.

Which city has the most used oil boilers suppliers?

Zhengzhou leads with 4 company records, followed by Delhi (3) and Bangalore (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 839 professional contacts with verified work emails tracked across these 234 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 3, 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.