Company lists · Data refreshed November 2026

Top 25 Boiler refurbishment companies worldwide

RevenueBase identified 1,978 company matches for boiler refurbishment companies worldwide as of November 2026 and tracks 20,484 professional contacts across them, including 4,652 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for boiler refurbishment companies 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 6, 2026. Country and city lists for boiler refurbishment companies 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 6, 2026 How this list was built
1,978Companies
20,484Contacts tracked
4,652Verified emails
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The 25 largest boiler refurbishment companies worldwide

Ranked by team size
Top 25 of 1,978 company matches for boiler refurbishment companies worldwide, 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 matchCape Town, South AfricaHQ recorded Nov 6, 20261,001-5,000679 contacts →

Exact match

“John Thompson is a leader in energy and environmental solutions through value engineering and innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNerac, FranceHQ recorded Nov 6, 2026501-1,000405 contacts →

Exact match

“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSan Nicolás De Los Garza, MexicoHQ recorded Nov 6, 2026501-1,000330 contacts →

Exact match

“CERREY, a leading Mexican company, is one of the main manufacturers of steam generators in the Americas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchUnited StatesHQ recorded Nov 6, 202651-200269 contacts →

Exact match

“National is a full-service industrial contractor with 35+ years of experience delivering precision-driven boiler, mechanical, construction, and specialty services to industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLancaster, OH, United StatesHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAtlanta, United StatesHQ recorded Nov 6, 2026201-500215 contacts →

Exact match

“Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchCoevorden, NetherlandsHQ recorded Nov 6, 2026201-500210 contacts →

Exact match

“Intergas: an introduction.”

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 matchPodensac, FranceHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“TISSOT Industrie | Tailored industrial excellence since 1942.”

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 matchPiracicaba, BrazilHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“Somos especialistas no desenvolvimento customizado de caldeiras equipamentos para geração de vapor, visando superar as expectativas dos nossos Clientes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPouso Redondo, BrazilHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“ICAVI – Indústria de Caldeiras Vale do Itajaí S/A, is located in the municipality of Pouso Redondo, in the state of Santa Catarina.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“APG is a growing independent provider of critical components and services to its customers in the power generation, refining, pipeline, and general industrial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSittingbourne, United KingdomHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNantes, FranceHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Leroux & Lotz Technologies, a recognised expert in industrial boilers and combustion systems, offers tailor-made solutions for all types of biomass, cogeneration and incineration…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchJakarta, IndonesiaHQ recorded Nov 6, 20261,001-5,000123 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKatowice, PolandHQ recorded Nov 6, 2026201-500122 contacts →

Exact match

“REMAK-ENERGOMONTAŻ S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchتهران, IranHQ recorded Nov 6, 2026501-1,000121 contacts →

Exact match

“تولید کننده انواع بویلر آبگرم و بخار، هیتر روغن داغ، مبدل حرارتی، مخازن تحت فشار، تجهیزات تصفیه آب و.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAnnan, United KingdomHQ recorded Nov 6, 2026201-500120 contacts →

Exact match

“Cochran has been embedded within industrial boiler manufacturing since 1878.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchItaguaí, BrazilHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“A OKJ ENGENHARIA é uma empresa prestadora de serviços industriais, especializada em Caldeiraria, Construção Civil, Inspeção de Solda, Manutenção Eletromecânica, Pintura…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCumming, GA, United StatesHQ recorded Nov 6, 2026201-500100 contacts →

Exact match

“RMR Mechanical is an industrial boiler and mechanical contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Nov 6, 2026201-500100 contacts →

Exact match

“BoilerMaster Group specialized in boiler and heat exchangers repairs and maintenance, hydrojetting, and refractory and insulation services.”

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

Showing 25 of 1,978 boiler refurbishment companies worldwide

See the full list, filter by size, metro and specialty, and access 4,652 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Boiler refurbishment companies worldwide at a glance

As of Nov 6, 2026
22.7%Verified-email coverage
10.4Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
913
11-50
609
51-200
256
201-500
55
501-1,000
20
1,001-5,000
11
5,001-10,000
2
10001+
4

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 boiler refurbishment companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “boiler refurbishment companies” 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 4,652 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.

Boiler refurbishment companies by location

9 lists · largest first

Every Boiler refurbishment companies 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 “boiler refurbishment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many boiler refurbishment companies are there worldwide?

RevenueBase identified 1,978 company matches for boiler refurbishment companies 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?

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

Which country has the most boiler refurbishment companies?

The United Kingdom leads with 550 companies, followed by the United States (283) and India (115). Every boiler refurbishment companies list by country and city is linked on this page.

Which city has the most boiler refurbishment companies?

London leads with 30 company records, followed by Pune (19) and Leeds (14).

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 4,652 professional contacts with verified work emails tracked across these 1,978 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.