Company lists · Data refreshed September 2026
Top 25 Energy recovery consulting firms worldwide
RevenueBase identified 8,014 energy recovery consulting firms worldwide as of September 2026 and tracks 132,461 professional contacts across them, including 40,376 with verified work emails. The United States is the largest market and Madrid the largest hub.
This list covers energy recovery consulting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for energy recovery consulting firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest energy recovery consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 34,763 contacts → | ||||
Partial evidence “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 26,949 contacts → | ||||
Strong evidence “Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 851 contacts → | ||||
Partial evidence “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 807 contacts → | ||||
Partial evidence “We are Pares & Alvarez, our extensive experience and the recognition of our clients makes us one of the leading Engineering Companies in environmental, consulting, engineering and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 688 contacts → | ||||
Indirect evidence “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 662 contacts → | ||||
Indirect evidence “The Hamon Group does not exist anymore.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 595 contacts → | ||||
Partial evidence “At Harris Pye, everything we do saves energy.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 460 contacts → | ||||
Partial evidence “Veolia Industries Global Solutions est devenu Veolia Energie Performance depuis le 1er juin 2025.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 383 contacts → | ||||
Partial evidence “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 375 contacts → | ||||
Indirect evidence “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 363 contacts → | ||||
Strong evidence “Since 1964 the MCW Group has built a solid reputation for the delivery of Professional Consulting Engineering Services, Energy Management Services, and Engineering Development…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 351 contacts → | ||||
Partial evidence “Ingeniería y Consultoría Energética orientada a la búsqueda y el desarrollo de soluciones energéticas de alta eficiencia para sus Clientes.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 336 contacts → | ||||
Indirect evidence “National Utility Service, Inc.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 305 contacts → | ||||
Partial evidence “We provide expert engineering and consulting services that enable a more reliable and resilient power system.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 298 contacts → | ||||
Strong evidence “SÓLIDA, a Bureau Veritas Company, is an independent company founded in 2007 that provides high added-value engineering and consulting services within the renewable energy sector.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 288 contacts → | ||||
Partial evidence “At Cascade Energy, we believe in better.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 281 contacts → | ||||
Partial evidence “We act as an extension of your team, combining deep energy expertise with seamless alignment to your processes to advance projects with confidence.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 280 contacts → | ||||
Partial evidence “A DEODE Energia foi fundada em 2012 proveniente da HF Energy.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 264 contacts → | ||||
Strong evidence “Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 254 contacts → | ||||
Strong evidence “We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 247 contacts → | ||||
Partial evidence “BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 234 contacts → | ||||
Indirect evidence “Fondée en 1956, PAGEAU MOREL est une entreprise spécialisée dans les domaines de l'ingénierie mécanique et électrique, de l'efficacité énergétique et de l'écoconception.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 230 contacts → | ||||
Partial evidence “Thermal Systems (TSPL) is a fast growing ISO 9001 certified heavy engineering company engaged in Waste Heat Recovery solutions around the world.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 226 contacts → | ||||
Strong evidence “SgurrEnergy was originally established in Glasgow, UK in 2002 with an aim to excel in renewable energy consulting.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 225 contacts → | ||||
Partial evidence “Empresa voltada a projetos de Otimização e Eficiêntização no uso da energia elétrica.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: energy recovery consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names energy recovery consulting firms.
- Partial evidence
- Its own public description names part of energy recovery consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy recovery consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 8,014 energy recovery consulting firms worldwide
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Energy recovery consulting firms worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy recovery consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for energy recovery consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “energy recovery consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy recovery consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among energy recovery consulting firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 40,376 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Energy recovery consulting firms by location
40 lists · largest firstEvery Energy recovery consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy recovery consulting firms based in the United States1,195
- Energy recovery consulting firms based in France651
- Energy recovery consulting firms based in Germany627
- Energy recovery consulting firms based in Spain526
- Energy recovery consulting firms based in Italy509
- Energy recovery consulting firms based in Brazil323
- Energy recovery consulting firms based in the United Kingdom276
- Energy recovery consulting firms based in Canada242
- Energy recovery consulting firms based in India207
- Energy recovery consulting firms based in Switzerland165
- Energy recovery consulting firms based in Türkiye160
- Energy recovery consulting firms based in Sweden145
- Energy recovery consulting firms based in Australia133
- Energy recovery consulting firms based in the Netherlands105
- Energy recovery consulting firms based in Mexico98
- Energy recovery consulting firms based in Chile84
- Energy recovery consulting firms based in Poland82
- Energy recovery consulting firms based in Colombia70
- Energy recovery consulting firms based in South Africa70
- Energy recovery consulting firms based in Belgium69
- Energy recovery consulting firms based in Denmark66
- Energy recovery consulting firms based in Portugal65
- Energy recovery consulting firms based in Argentina54
- Energy recovery consulting firms based in Austria52
- Energy recovery consulting firms based in Greece46
- Energy recovery consulting firms based in Ireland43
- Energy recovery consulting firms based in Norway35
- Energy recovery consulting firms based in Hungary25
Cities
- Energy recovery consulting firms based in Madrid, Spain98
- Energy recovery consulting firms based in Paris, France77
- Energy recovery consulting firms based in Houston, United States57
- Energy recovery consulting firms based in New York, United States44
- Energy recovery consulting firms based in Berlin, Germany42
- Energy recovery consulting firms based in London, United Kingdom37
- Energy recovery consulting firms based in Barcelona, Spain35
- Energy recovery consulting firms based in Lyon, France33
- Energy recovery consulting firms based in Toronto, Canada29
- Energy recovery consulting firms based in Calgary, Canada28
- Energy recovery consulting firms based in Hamburg, Germany28
- Energy recovery consulting firms based in Pune, India27
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names energy recovery consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many energy recovery consulting firms are there worldwide?
RevenueBase identified 8,014 energy recovery consulting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Worley, headquartered in Sydney, tops this list with the largest team on record.
Which country has the most energy recovery consulting firms?
The United States leads with 1,195 companies, followed by France (651) and Germany (627). Every energy recovery consulting firms list by country and city is linked on this page.
Which city has the most energy recovery consulting firms?
Madrid leads with 98 headquartered companies, followed by Paris (78) and Houston (57).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 40,376 verified decision-maker contacts tracked across these 8,014 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.