Company lists · Data refreshed September 2026
Top 25 Energy infrastructure consulting firms worldwide
RevenueBase identified 45,115 energy infrastructure consulting firms worldwide as of September 2026 and tracks 1,497,863 professional contacts across them, including 420,160 with verified work emails. The United States is the largest market and London the largest hub.
This list covers energy infrastructure 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 21, 2026. Country and city lists for energy infrastructure 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 infrastructure consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 63,914 contacts → | ||||
Partial evidence “AECOM is the global infrastructure leader, committed to delivering a better world.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 34,095 contacts → | ||||
Strong evidence “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28,416 contacts → | ||||
Indirect evidence “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 27,028 contacts → | ||||
Indirect evidence “ACCIONA champions a different way of doing business: Business as Unusual, delivering benefits far beyond the corporate realm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25,068 contacts → | ||||
Indirect evidence “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 22,733 contacts → | ||||
Indirect evidence “We are a world-class engineering services and nuclear organization.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20,135 contacts → | ||||
Partial evidence “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 19,907 contacts → | ||||
Partial evidence “TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15,774 contacts → | ||||
Partial evidence “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14,384 contacts → | ||||
Indirect evidence “Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13,261 contacts → | ||||
Partial evidence “We are a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12,850 contacts → | ||||
Indirect evidence “AFRY is a European leader in engineering, design, and advisory services, with a global reach.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10,868 contacts → | ||||
Partial evidence “KEC International Limited, the flagship company of RPG Enterprises is a diversified global infrastructure Engineering, Procurement & Construction (EPC) major, with a presence in…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10,851 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10,588 contacts → | ||||
Indirect evidence “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9,992 contacts → | ||||
Indirect evidence “SNC Lavalin is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9,297 contacts → | ||||
Indirect evidence “Atkins is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9,238 contacts → | ||||
Indirect evidence “Taking care of things.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8,440 contacts → | ||||
Partial evidence “Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8,427 contacts → | ||||
Indirect evidence “Dalkia : ensemble, relevons le défi climatique!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8,088 contacts → | ||||
Indirect evidence “CH2M is now Jacobs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7,045 contacts → | ||||
Indirect evidence “We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6,518 contacts → | ||||
Partial evidence “Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition.” Source: RevenueBase Database · checked Sep 21, 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 infrastructure 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 infrastructure consulting firms.
- Partial evidence
- Its own public description names part of energy infrastructure 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 infrastructure 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 45,115 energy infrastructure consulting firms worldwide
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Energy infrastructure consulting firms worldwide at a glance
As of Sep 21, 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 infrastructure 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 infrastructure consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “energy infrastructure 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 infrastructure 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 infrastructure 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, 420,160 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 21, 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 infrastructure consulting firms by location
180 lists · largest firstEvery Energy infrastructure consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy infrastructure consulting firms based in the United States6,097
- Energy infrastructure consulting firms based in Brazil2,891
- Energy infrastructure consulting firms based in India2,270
- Energy infrastructure consulting firms based in the United Kingdom2,237
- Energy infrastructure consulting firms based in Germany2,206
- Energy infrastructure consulting firms based in France1,962
- Energy infrastructure consulting firms based in Spain1,870
- Energy infrastructure consulting firms based in Italy1,823
- Energy infrastructure consulting firms based in Türkiye1,278
- Energy infrastructure consulting firms based in Canada1,222
- Energy infrastructure consulting firms based in Australia1,140
- Energy infrastructure consulting firms based in the Netherlands806
- Energy infrastructure consulting firms based in Colombia612
- Energy infrastructure consulting firms based in Mexico603
- Energy infrastructure consulting firms based in Switzerland595
- Energy infrastructure consulting firms based in Chile539
- Energy infrastructure consulting firms based in South Africa499
- Energy infrastructure consulting firms based in the United Arab Emirates470
- Energy infrastructure consulting firms based in Poland468
- Energy infrastructure consulting firms based in Nigeria450
- Energy infrastructure consulting firms based in Sweden438
- Energy infrastructure consulting firms based in Argentina415
- Energy infrastructure consulting firms based in Peru347
- Energy infrastructure consulting firms based in Belgium326
- Energy infrastructure consulting firms based in Pakistan296
- Energy infrastructure consulting firms based in Iran294
- Energy infrastructure consulting firms based in Portugal291
- Energy infrastructure consulting firms based in Denmark267
- Energy infrastructure consulting firms based in Greece259
- Energy infrastructure consulting firms based in Indonesia242
- Energy infrastructure consulting firms based in Saudi Arabia227
- Energy infrastructure consulting firms based in Malaysia210
- Energy infrastructure consulting firms based in Norway202
- Energy infrastructure consulting firms based in Austria195
- Energy infrastructure consulting firms based in Romania188
- Energy infrastructure consulting firms based in Egypt184
- Energy infrastructure consulting firms based in Morocco166
- Energy infrastructure consulting firms based in Ireland144
- Energy infrastructure consulting firms based in Singapore139
- Energy infrastructure consulting firms based in Hungary128
- Energy infrastructure consulting firms based in Bangladesh116
- Energy infrastructure consulting firms based in the Philippines113
- Energy infrastructure consulting firms based in Finland108
- Energy infrastructure consulting firms based in Israel107
- Energy infrastructure consulting firms based in New Zealand102
- Energy infrastructure consulting firms based in Ecuador99
- Energy infrastructure consulting firms based in Japan97
- Energy infrastructure consulting firms based in Kenya82
- Energy infrastructure consulting firms based in Tunisia80
- Energy infrastructure consulting firms based in Serbia79
- Energy infrastructure consulting firms based in Croatia75
- Energy infrastructure consulting firms based in Bulgaria63
- Energy infrastructure consulting firms based in Oman60
- Energy infrastructure consulting firms based in Jordan57
- Energy infrastructure consulting firms based in Thailand56
- Energy infrastructure consulting firms based in Lebanon55
- Energy infrastructure consulting firms based in Sri Lanka53
- Energy infrastructure consulting firms based in Senegal49
- Energy infrastructure consulting firms based in Slovakia48
- Energy infrastructure consulting firms based in Nepal45
- Energy infrastructure consulting firms based in Luxembourg42
- Energy infrastructure consulting firms based in Panama41
- Energy infrastructure consulting firms based in Costa Rica40
- Energy infrastructure consulting firms based in Lithuania39
- Energy infrastructure consulting firms based in Uruguay39
- Energy infrastructure consulting firms based in Slovenia38
- Energy infrastructure consulting firms based in Qatar36
- Energy infrastructure consulting firms based in Puerto Rico35
- Energy infrastructure consulting firms based in Bosnia and Herzegovina34
- Energy infrastructure consulting firms based in Estonia32
- Energy infrastructure consulting firms based in Kazakhstan31
- Energy infrastructure consulting firms based in Cyprus29
Cities
- Energy infrastructure consulting firms based in London, United Kingdom537
- Energy infrastructure consulting firms based in Houston, United States513
- Energy infrastructure consulting firms based in Sao Paulo, Brazil409
- Energy infrastructure consulting firms based in Madrid, Spain384
- Energy infrastructure consulting firms based in Calgary, Canada297
- Energy infrastructure consulting firms based in Paris, France281
- Energy infrastructure consulting firms based in Rio De Janeiro, Brazil196
- Energy infrastructure consulting firms based in Ankara, Türkiye192
- Energy infrastructure consulting firms based in Belo Horizonte, Brazil186
- Energy infrastructure consulting firms based in New York, United States174
- Energy infrastructure consulting firms based in Bogota, Colombia172
- Energy infrastructure consulting firms based in Berlin, Germany154
- Energy infrastructure consulting firms based in New Delhi, India144
- Energy infrastructure consulting firms based in Barcelona, Spain140
- Energy infrastructure consulting firms based in Melbourne, Australia136
- Energy infrastructure consulting firms based in Sydney, Australia135
- Energy infrastructure consulting firms based in Lagos, Nigeria129
- Energy infrastructure consulting firms based in Santiago, Chile128
- Energy infrastructure consulting firms based in Chennai, India126
- Energy infrastructure consulting firms based in Pune, India123
- Energy infrastructure consulting firms based in Perth, Australia122
- Energy infrastructure consulting firms based in Mumbai, India121
- Energy infrastructure consulting firms based in Curitiba, Brazil118
- Energy infrastructure consulting firms based in Hamburg, Germany115
- Energy infrastructure consulting firms based in Toronto, Canada115
- Energy infrastructure consulting firms based in Lahore, Pakistan114
- Energy infrastructure consulting firms based in Denver, United States102
- Energy infrastructure consulting firms based in Brisbane, Australia100
- Energy infrastructure consulting firms based in Hyderabad, India99
- Energy infrastructure consulting firms based in Dallas, United States97
- Energy infrastructure consulting firms based in Noida, India96
- Energy infrastructure consulting firms based in Johannesburg, South Africa91
- Energy infrastructure consulting firms based in Ahmedabad, India89
- Energy infrastructure consulting firms based in Austin, United States89
- Energy infrastructure consulting firms based in Chicago, United States82
- Energy infrastructure consulting firms based in Aberdeen, United Kingdom80
- Energy infrastructure consulting firms based in Cape Town, South Africa75
- Energy infrastructure consulting firms based in Milan, Italy75
- Energy infrastructure consulting firms based in Fortaleza, Brazil72
- Energy infrastructure consulting firms based in Roma, Italy72
- Energy infrastructure consulting firms based in Porto Alegre, Brazil70
- Energy infrastructure consulting firms based in Lyon, France69
- Energy infrastructure consulting firms based in Warszawa, Poland69
- Energy infrastructure consulting firms based in Sevilla, Spain67
- Energy infrastructure consulting firms based in Vadodara, India67
- Energy infrastructure consulting firms based in Ciudad De Mexico, Mexico66
- Energy infrastructure consulting firms based in Edmonton, Canada66
- Energy infrastructure consulting firms based in Washington, United States64
- Energy infrastructure consulting firms based in Montreal, Canada62
- Energy infrastructure consulting firms based in San Diego, United States62
- Energy infrastructure consulting firms based in Milano, Italy61
- Energy infrastructure consulting firms based in Kolkata, India59
- Energy infrastructure consulting firms based in Los Angeles, United States59
- Energy infrastructure consulting firms based in Las Condes, Chile57
- Energy infrastructure consulting firms based in Manchester, United Kingdom56
- Energy infrastructure consulting firms based in Bangalore, India54
- Energy infrastructure consulting firms based in Valencia, Spain53
- Energy infrastructure consulting firms based in Miami, United States52
- Energy infrastructure consulting firms based in Salvador, Brazil52
- Energy infrastructure consulting firms based in San Francisco, United States52
- Energy infrastructure consulting firms based in Vancouver, Canada51
- Energy infrastructure consulting firms based in Gurgaon, India50
- Energy infrastructure consulting firms based in Jaipur, India50
- Energy infrastructure consulting firms based in Recife, Brazil50
- Energy infrastructure consulting firms based in Atlanta, United States48
- Energy infrastructure consulting firms based in Boston, United States48
- Energy infrastructure consulting firms based in Adelaide, Australia47
- Energy infrastructure consulting firms based in Gurugram, India47
- Energy infrastructure consulting firms based in Rome, Italy47
- Energy infrastructure consulting firms based in Bengaluru, India46
- Energy infrastructure consulting firms based in Campinas, Brazil45
- Energy infrastructure consulting firms based in Portland, United States44
- Energy infrastructure consulting firms based in Pretoria, South Africa42
- Energy infrastructure consulting firms based in Zaragoza, Spain41
- Energy infrastructure consulting firms based in Charlotte, United States38
- Energy infrastructure consulting firms based in Amsterdam, Netherlands37
- Energy infrastructure consulting firms based in Munich, Germany37
- Energy infrastructure consulting firms based in Essen, Germany36
- Energy infrastructure consulting firms based in Monterrey, Mexico36
- Energy infrastructure consulting firms based in Rotterdam, Netherlands36
- Energy infrastructure consulting firms based in Torino, Italy36
- Energy infrastructure consulting firms based in Edinburgh, United Kingdom35
- Energy infrastructure consulting firms based in Toulouse, France35
- Energy infrastructure consulting firms based in Stuttgart, Germany34
- Energy infrastructure consulting firms based in Leipzig, Germany33
- Energy infrastructure consulting firms based in Cali, Colombia32
- Energy infrastructure consulting firms based in Orlando, United States32
- Energy infrastructure consulting firms based in Phoenix, United States32
- Energy infrastructure consulting firms based in Atasehir, Türkiye31
- Energy infrastructure consulting firms based in Bristol, United Kingdom31
- Energy infrastructure consulting firms based in Fort Worth, United States31
- Energy infrastructure consulting firms based in Glasgow, United Kingdom30
- Energy infrastructure consulting firms based in Philadelphia, United States30
- Energy infrastructure consulting firms based in Seattle, United States30
- Energy infrastructure consulting firms based in Tulsa, United States30
- Energy infrastructure consulting firms based in Hannover, Germany28
- Energy infrastructure consulting firms based in Katy, United States28
- Energy infrastructure consulting firms based in Midland, United States28
- Energy infrastructure consulting firms based in Raleigh, United States28
- Energy infrastructure consulting firms based in Barueri, Brazil27
- Energy infrastructure consulting firms based in Brescia, Italy27
- Energy infrastructure consulting firms based in Tampa, United States27
- Energy infrastructure consulting firms based in Pittsburgh, United States26
- Energy infrastructure consulting firms based in The Woodlands, United States26
- Energy infrastructure consulting firms based in Mississauga, Canada25
- Energy infrastructure consulting firms based in Sacramento, United States25
- Energy infrastructure consulting firms based in San Antonio, United States25
- Energy infrastructure consulting firms based in Utrecht, Netherlands25
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 infrastructure 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 infrastructure consulting firms are there worldwide?
RevenueBase identified 45,115 energy infrastructure 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?
AECOM, headquartered in Dallas, tops this list with the largest team on record.
Which country has the most energy infrastructure consulting firms?
The United States leads with 6,097 companies, followed by Brazil (2,891) and India (2,270). Every energy infrastructure consulting firms list by country and city is linked on this page.
Which city has the most energy infrastructure consulting firms?
London leads with 549 headquartered companies, followed by Houston (513) and Sao Paulo (409).
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 420,160 verified decision-maker contacts tracked across these 45,115 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 21, 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.