Company lists · Data refreshed September 2026

Top 25 Waste heat recovery systems companies worldwide

RevenueBase identified 655 company matches for waste heat recovery systems companies worldwide as of September 2026 and tracks 11,846 professional contacts across them, including 3,477 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for waste heat recovery systems 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 September 22, 2026. Country and city lists for waste heat recovery systems 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 Sep 22, 2026 How this list was built
655Companies
11,846Contacts tracked
3,477Verified emails
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The 25 largest waste heat recovery systems companies worldwide

Ranked by team size
Top 25 of 655 company matches for waste heat recovery systems companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchSeraing, BelgiumHQ recorded Sep 22, 20261,001-5,000662 contacts →

Exact match

“The Hamon Group does not exist anymore.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Sep 22, 2026501-1,000595 contacts →

Exact match

“At Harris Pye, everything we do saves energy.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchBuffalo, NY, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
4Exact matchZoeterwoude, NetherlandsHQ recorded Sep 22, 2026201-500321 contacts →

Exact match

“NEM is a global player in the power generation sector, committed to making a tangible impact on creating a better world.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchRueil-malmaison, FranceHQ recorded Sep 22, 20261,001-5,000277 contacts →

Exact match

“Heurtey Petrochem Solutions is a world leader in process furnaces for refining, petrochemicals, syngas and hydrogen markets.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchMorlaix, FranceHQ recorded Sep 22, 2026501-1,000256 contacts →

Exact match

“Sermeta is the world leading manufacturer of stainless steel heat exchanger for gas condensing boilers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchHyderabad, IndiaHQ recorded Sep 22, 2026501-1,000230 contacts →

Exact match

“Thermal Systems (TSPL) is a fast growing ISO 9001 certified heavy engineering company engaged in Waste Heat Recovery solutions around the world.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchLa Palma, CA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
9Exact matchLouisville, KY, United StatesHQ recorded Sep 22, 2026201-500209 contacts →

Exact match

“Vogt Power International Inc, headquartered in Louisville, Kentucky, is a global leader in the design, manufacturing, and supply of Heat Recovery Steam Generators (HRSGs) and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSt. Louis, MO, United StatesHQ recorded Sep 22, 2026201-500198 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 · Sep 22, 2026 · View company records in RevenueBase
11Exact matchSt-germain-de-grantham, QC, CanadaHQ recorded Sep 22, 2026201-500178 contacts →

Exact match

“Annexair is a privately held North American company focused exclusively on designing and manufacturing high-quality, energy-efficient air handling systems.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchLahti, FinlandHQ recorded Sep 22, 2026201-500175 contacts →

Exact match

“We are a Finnish family-owned energy and environmental technology company founded in 1961.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchSinnar, IndiaHQ recorded Sep 22, 202651-200140 contacts →

Exact match

“Thermo Group is a leading manufacturer of Heat Exchangers and Pressure Vessels since 1983.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchCity Of Industry, CA, United StatesHQ recorded Sep 22, 202651-200132 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 · Sep 22, 2026 · View company records in RevenueBase
15Exact matchSão Bernardo Do Campo, BrazilHQ recorded Sep 22, 2026201-500120 contacts →

Exact match

“A APEMA, fundada em 1964, é uma referência em equipamentos de troca térmica.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchCalgary, AB, CanadaHQ recorded Sep 22, 2026201-500105 contacts →

Exact match

“Exchanger Industries Limited designs and manufactures heat transfer equipment in support of the oil, natural gas, and petrochemical industries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchZaragoza, SpainHQ recorded Sep 22, 202651-20096 contacts →

Exact match

“We are a company dedicated to the design and supply of equipment, plants and technologies for heat recovery, air or gases heating, incineration, VOC's abatement and industrial…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchWaunakee, WI, United StatesHQ recorded Sep 22, 202651-20091 contacts →

Exact match

“For over 40 years, RenewAire has been manufacturing energy recovery ventilators (ERVs) and dedicated outdoor air systems (DOAS).”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchRivarotta, ItalyHQ recorded Sep 22, 2026201-50090 contacts →

Exact match

“Thermokey is one of the european major manufacturer of top quality heat exchangers for Commercial Refrigeration, Industrial Refrigeration, HVAC, Energy & Process Cooling.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchMinnetonka, MN, United StatesHQ recorded Sep 22, 202651-20080 contacts →

Exact match

“We are a power plant technical services and products company specializing in Heat Recovery Steam Generators (HRSGs), waste heat boilers and smaller gas/oil-fired power boilers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchBurgess Hill, United KingdomHQ recorded Sep 22, 202651-20079 contacts →

Exact match

“Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchPittsburgh, PA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
23Exact matchGronau (leine), GermanyHQ recorded Sep 22, 2026201-50075 contacts →

Exact match

“Funke Wärmeaustauscher Apparatebau GmbH is a machinery company based out of Zur Deßel 1, Gronau (Leine), Niedersachsen, Germany.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchAylesbury, United KingdomHQ recorded Sep 22, 202651-20069 contacts →

Exact match

“Your trusted heat exchanger manufacturer - From first principles to lasting partnerships Heat exchanger manufacturer since 1904, we design and produce to custom specifications.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchAversa, ItalyHQ recorded Sep 22, 202651-20066 contacts →

Exact match

“Energy Recovery & Ventilation Components Counterflow Plate Heat Exchanger Counterflow Kombi Plate Heat Exchanger Rotary Heat Exchanger Crossflow Heat Exchanger Accuair Enthalpy…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 655 waste heat recovery systems companies worldwide

See the full list, filter by size, metro and specialty, and access 3,477 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Waste heat recovery systems companies worldwide at a glance

As of Sep 22, 2026
29.4%Verified-email coverage
18.1Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Pune
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
232
11-50
226
51-200
131
201-500
36
501-1,000
11
1,001-5,000
14
5,001-10,000
2

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 waste heat recovery systems companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “waste heat recovery systems 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 3,477 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 22, 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.

Waste heat recovery systems companies by location

7 lists · largest first

Every Waste heat recovery systems 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 “waste heat recovery systems companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many waste heat recovery systems companies are there worldwide?

RevenueBase identified 655 company matches for waste heat recovery systems companies worldwide 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?

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

Which country has the most waste heat recovery systems companies?

The United States leads with 99 companies, followed by India (55) and Germany (50). Every waste heat recovery systems companies list by country and city is linked on this page.

Which city has the most waste heat recovery systems companies?

Pune leads with 17 company records, followed by Tulsa (8) and Calgary (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 3,477 professional contacts with verified work emails tracked across these 655 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 22, 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.