Company lists · Data refreshed November 2026

Top 25 Thermal engineering consultants worldwide

Name: Thermal engineering consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,825 companies tracked

RevenueBase identified 10,825 company matches for thermal engineering consultants worldwide as of November 2026 and tracks 173,245 professional contacts across them, including 44,580 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for thermal engineering consultants 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 thermal engineering consultants 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

10,825Companies

173,245Contacts tracked

44,580Verified emails

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The 25 largest thermal engineering consultants worldwide

Ranked by team size

Top 25 of 10,825 company matches for thermal engineering consultants 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Johnson Controls	Exact match	Cork, IrelandHQ recorded Nov 6, 2026	10001+	55,567 contacts →
	Exact match “Johnson Controls is a global leader in thermal management, mission-critical building systems, energy efficiency and decarbonization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Croonwolter&dros	Exact match	Rotterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	2,672 contacts →
	Exact match “For more than 140 years Croonwolter & dros has been in the vanguard of new developments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,705 contacts →
	Exact match “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Hoare LEA	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	1,183 contacts →
	Exact match “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	BTP Consultants	Exact match	Montigny-le-bretonneux, FranceHQ recorded Nov 6, 2026	201-500	1,170 contacts →
	Exact match “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Syska Hennessy Group	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	857 contacts →
	Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	PAE	Exact match	Portland, NV, United StatesHQ recorded Nov 6, 2026	201-500	843 contacts →
	Exact match “PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Smith Andersen	Exact match	Toronto, MB, CanadaHQ recorded Nov 6, 2026	501-1,000	730 contacts →
	Exact match “What does it take to be one of Canada’s most respected integrated engineering firms?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Vanderweil Engineers	Exact match	Boston, PA, United StatesHQ recorded Nov 6, 2026	201-500	583 contacts →
	Exact match “Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Amstein Walthert	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	571 contacts →
	Exact match “Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	RSGX	Exact match	Rydalmere, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	570 contacts →
	Exact match “RSGx is a trusted partner, providing innovative mechanical and electrical construction and engineering solutions with a focus on powering energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Imtech	Exact match	Staines-upon-thames, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	517 contacts →
	Exact match “Imtech has rebranded to Dalkia UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Heating Cooling	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	504 contacts →
	Exact match “Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Jaros, Baum & Bolles Jb&b	Exact match	New York, MA, United StatesHQ recorded Nov 6, 2026	201-500	501 contacts →
	Exact match “Jaros, Baum & Bolles, Inc.(JB & B) is a leading consulting engineering firm specializing in mechanical, electrical, plumbing, and fire protection (MEP/FP) systems for complex…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	GBI	Exact match	Montréal, QC, CanadaHQ recorded Nov 6, 2026	201-500	461 contacts →
	Exact match “Notre firme de génie-conseil offre une gamme complète de services d’ingénierie, adaptés aux besoins d’une clientèle diversifiée, tant publique que privée.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Pe-Services	Exact match	Lebanon, OH, United StatesHQ recorded Nov 6, 2026	n/a	461 contacts →
	Exact match “PE-Services provides engineering for your success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	H.H. Angus & Associates LTD	Exact match	Toronto, QC, CanadaHQ recorded Nov 6, 2026	201-500	435 contacts →
	Exact match “HH Angus Corporate Overview HH Angus and Associates Limited was founded in 1919 and today is one of Canada’s larger private engineering firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Deerns Nederland	Exact match	The Hague, NetherlandsHQ recorded Nov 6, 2026	501-1,000	434 contacts →
	Exact match “Deerns is an independent engineering firm specialised in providing technical consulting and engineering solutions with more than 450 staff members in offices around the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	MCW Group Of Companies	Exact match	Toronto, MB, CanadaHQ recorded Nov 6, 2026	201-500	379 contacts →
	Exact match “Since 1964 the MCW Group has built a solid reputation for the delivery of Professional Consulting Engineering Services, Energy Management Services, and Engineering Development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	P2s	Exact match	Long Beach, CA, United StatesHQ recorded Nov 6, 2026	201-500	379 contacts →
	Exact match “P2S has brought forward-thinking, sustainable engineering solutions to the West Coast and beyond for over 35 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Wendel Companies	Exact match	Williamsville, NY, United StatesHQ recorded Nov 6, 2026	201-500	375 contacts →
	Exact match “Wendel is an Architecture, Engineering, Energy Efficiency, and Construction Management Firm that delivers customized solutions and turnkey projects in innovative ways.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	RDH Building Science	Exact match	Burnaby, WA, CanadaHQ recorded Nov 6, 2026	201-500	345 contacts →
	Exact match “RDH is a multidisciplinary consulting firm specializing in building performance, durability, and resilience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Space Engineering Services LTD	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	201-500	325 contacts →
	Exact match “Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Cosentini Associates	Exact match	Nyc, NY, United StatesHQ recorded Nov 6, 2026	201-500	318 contacts →
	Exact match “Cosentini has a 70+ year history of engineering many of the world’s most iconic buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Star Refrigeration	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	201-500	317 contacts →
	Exact match “Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “thermal engineering consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 10,825 thermal engineering consultants worldwide

See the full list, filter by size, metro and specialty, and access 44,580 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Thermal engineering consultants worldwide at a glance

As of Nov 6, 2026

25.7%Verified-email coverage

16.0Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,901

11-50

3,559

51-200

935

201-500

158

501-1,000

1,001-5,000

5,001-10,000

10001+

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 thermal engineering consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “thermal engineering consultants” 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 44,580 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.

Thermal engineering consultants by location

49 lists · largest first

Every Thermal engineering consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “thermal engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many thermal engineering consultants are there worldwide?

RevenueBase identified 10,825 company matches for thermal engineering consultants 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?

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

Which country has the most thermal engineering consultants?

The United States leads with 1,249 companies, followed by France (1,194) and Germany (993). Every thermal engineering consultants list by country and city is linked on this page.

Which city has the most thermal engineering consultants?

Sao Paulo leads with 137 company records, followed by Istanbul (85) and Paris (74).

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 44,580 professional contacts with verified work emails tracked across these 10,825 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.