Company lists · Data refreshed September 2026
Top 25 Energy infrastructure consultants worldwide
RevenueBase identified 28,372 energy infrastructure consultants worldwide as of September 2026 and tracks 1,132,201 professional contacts across them, including 333,657 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.
This list covers energy infrastructure consultants 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 16, 2026. Country and city lists for energy infrastructure consultants 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 consultants 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 16, 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 16, 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 16, 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 16, 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 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 26,949 contacts → | ||||
Partial evidence “Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.” Source: RevenueBase Database · checked Sep 16, 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 16, 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 16, 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 16, 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 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10,851 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 9,992 contacts → | ||||
Indirect evidence “SNC Lavalin is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9,297 contacts → | ||||
Indirect evidence “Atkins is now AtkinsRéalis.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8,427 contacts → | ||||
Indirect evidence “Dalkia : ensemble, relevons le défi climatique!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6,080 contacts → | ||||
Strong evidence “With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5,298 contacts → | ||||
Partial evidence “Mortenson is a U.S-based, top-25 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5,231 contacts → | ||||
Partial evidence “SMEC is a global engineering, management and development consultancy with a 70-year history of delivering advanced solutions on a global scale across urban development…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4,895 contacts → | ||||
Partial evidence “Bonatti is an International Contractor providing services to energy industry with over 75 years of experience.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4,156 contacts → | ||||
Indirect evidence “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4,089 contacts → | ||||
Strong evidence “Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…” Source: RevenueBase Database · checked Sep 16, 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 consultants. 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 consultants.
- Partial evidence
- Its own public description names part of energy infrastructure consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy infrastructure consultants. 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 28,372 energy infrastructure consultants worldwide
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Energy infrastructure consultants worldwide at a glance
As of Sep 16, 2026Companies by employee count
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 consultants, 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
- 66 countries, largest first: the United States, Brazil, India, Germany, the United Kingdom, France, Spain, Italy, Türkiye, Australia and 56 more. Country and city lists for energy infrastructure consultants are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “energy infrastructure consultants”. 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 consultants), 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 consultants, 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, 333,657 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 16, 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 consultants by location
144 lists · largest firstEvery Energy infrastructure consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy infrastructure consultants based in the United States4,628
- Energy infrastructure consultants based in Brazil2,308
- Energy infrastructure consultants based in India1,825
- Energy infrastructure consultants based in Germany1,785
- Energy infrastructure consultants based in the United Kingdom1,645
- Energy infrastructure consultants based in France1,477
- Energy infrastructure consultants based in Spain1,474
- Energy infrastructure consultants based in Italy1,368
- Energy infrastructure consultants based in Türkiye1,069
- Energy infrastructure consultants based in Australia967
- Energy infrastructure consultants based in Canada944
- Energy infrastructure consultants based in the Netherlands655
- Energy infrastructure consultants based in Mexico481
- Energy infrastructure consultants based in Switzerland467
- Energy infrastructure consultants based in Colombia455
- Energy infrastructure consultants based in Chile448
- Energy infrastructure consultants based in South Africa433
- Energy infrastructure consultants based in Poland373
- Energy infrastructure consultants based in the United Arab Emirates304
- Energy infrastructure consultants based in Nigeria302
- Energy infrastructure consultants based in Argentina295
- Energy infrastructure consultants based in Sweden272
- Energy infrastructure consultants based in Peru261
- Energy infrastructure consultants based in Belgium237
- Energy infrastructure consultants based in Pakistan237
- Energy infrastructure consultants based in Portugal224
- Energy infrastructure consultants based in Greece219
- Energy infrastructure consultants based in Denmark202
- Energy infrastructure consultants based in Indonesia174
- Energy infrastructure consultants based in Saudi Arabia170
- Energy infrastructure consultants based in Malaysia157
- Energy infrastructure consultants based in Austria145
- Energy infrastructure consultants based in Romania141
- Energy infrastructure consultants based in Norway134
- Energy infrastructure consultants based in Egypt130
- Energy infrastructure consultants based in Morocco125
- Energy infrastructure consultants based in Ireland114
- Energy infrastructure consultants based in Czechia106
- Energy infrastructure consultants based in the Philippines102
- Energy infrastructure consultants based in Singapore100
- Energy infrastructure consultants based in Bangladesh97
- Energy infrastructure consultants based in Hungary95
- Energy infrastructure consultants based in Israel91
- Energy infrastructure consultants based in Japan89
- Energy infrastructure consultants based in New Zealand83
- Energy infrastructure consultants based in Ecuador75
- Energy infrastructure consultants based in Finland73
- Energy infrastructure consultants based in Kenya73
- Energy infrastructure consultants based in Serbia66
- Energy infrastructure consultants based in Croatia64
- Energy infrastructure consultants based in Bulgaria52
- Energy infrastructure consultants based in Jordan50
- Energy infrastructure consultants based in Lebanon49
- Energy infrastructure consultants based in Sri Lanka49
- Energy infrastructure consultants based in Thailand48
- Energy infrastructure consultants based in Senegal43
- Energy infrastructure consultants based in Nepal40
- Energy infrastructure consultants based in Lithuania36
- Energy infrastructure consultants based in Oman33
- Energy infrastructure consultants based in Slovakia33
- Energy infrastructure consultants based in Uruguay32
- Energy infrastructure consultants based in Puerto Rico31
- Energy infrastructure consultants based in Slovenia31
- Energy infrastructure consultants based in Costa Rica29
- Energy infrastructure consultants based in Luxembourg29
- Energy infrastructure consultants based in Bosnia and Herzegovina28
Cities
- Energy infrastructure consultants based in London, United Kingdom371
- Energy infrastructure consultants based in Houston, United States309
- Energy infrastructure consultants based in Sao Paulo, Brazil296
- Energy infrastructure consultants based in Madrid, Spain290
- Energy infrastructure consultants based in Paris, France212
- Energy infrastructure consultants based in Calgary, Canada190
- Energy infrastructure consultants based in Ankara, Türkiye158
- Energy infrastructure consultants based in Belo Horizonte, Brazil148
- Energy infrastructure consultants based in Rio De Janeiro, Brazil136
- Energy infrastructure consultants based in New York, United States130
- Energy infrastructure consultants based in Bogota, Colombia124
- Energy infrastructure consultants based in Berlin, Germany123
- Energy infrastructure consultants based in New Delhi, India118
- Energy infrastructure consultants based in Melbourne, Australia116
- Energy infrastructure consultants based in Sydney, Australia113
- Energy infrastructure consultants based in Santiago, Chile109
- Energy infrastructure consultants based in Barcelona, Spain106
- Energy infrastructure consultants based in Curitiba, Brazil101
- Energy infrastructure consultants based in Pune, India101
- Energy infrastructure consultants based in Perth, Australia100
- Energy infrastructure consultants based in Chennai, India96
- Energy infrastructure consultants based in Toronto, Canada96
- Energy infrastructure consultants based in Mumbai, India93
- Energy infrastructure consultants based in Hamburg, Germany91
- Energy infrastructure consultants based in Milan, Italy91
- Energy infrastructure consultants based in Lahore, Pakistan89
- Energy infrastructure consultants based in Rome, Italy89
- Energy infrastructure consultants based in Gurgaon, India82
- Energy infrastructure consultants based in Brisbane, Australia81
- Energy infrastructure consultants based in Hyderabad, India79
- Energy infrastructure consultants based in Johannesburg, South Africa78
- Energy infrastructure consultants based in Bangalore, India76
- Energy infrastructure consultants based in Noida, India76
- Energy infrastructure consultants based in Munich, Germany74
- Energy infrastructure consultants based in Ahmedabad, India73
- Energy infrastructure consultants based in Denver, United States73
- Energy infrastructure consultants based in Chicago, United States71
- Energy infrastructure consultants based in Dallas, United States69
- Energy infrastructure consultants based in Austin, United States67
- Energy infrastructure consultants based in Fortaleza, Brazil64
- Energy infrastructure consultants based in Cape Town, South Africa59
- Energy infrastructure consultants based in Seville, Spain58
- Energy infrastructure consultants based in Washington, United States58
- Energy infrastructure consultants based in Porto Alegre, Brazil56
- Energy infrastructure consultants based in Vadodara, India55
- Energy infrastructure consultants based in Aberdeen, United Kingdom53
- Energy infrastructure consultants based in Lyon, France52
- Energy infrastructure consultants based in Edmonton, Canada51
- Energy infrastructure consultants based in Montreal, Canada51
- Energy infrastructure consultants based in San Diego, United States51
- Energy infrastructure consultants based in Kolkata, India50
- Energy infrastructure consultants based in Los Angeles, United States50
- Energy infrastructure consultants based in Vancouver, Canada50
- Energy infrastructure consultants based in Jaipur, India46
- Energy infrastructure consultants based in Las Condes, Chile46
- Energy infrastructure consultants based in Valencia, Spain46
- Energy infrastructure consultants based in San Francisco, United States45
- Energy infrastructure consultants based in Boston, United States41
- Energy infrastructure consultants based in Adelaide, Australia40
- Energy infrastructure consultants based in Manchester, United Kingdom40
- Energy infrastructure consultants based in Recife, Brazil40
- Energy infrastructure consultants based in Salvador, Brazil39
- Energy infrastructure consultants based in Atlanta, United States38
- Energy infrastructure consultants based in Campinas, Brazil36
- Energy infrastructure consultants based in Pretoria, South Africa36
- Energy infrastructure consultants based in Miami, United States35
- Energy infrastructure consultants based in Portland, United States34
- Energy infrastructure consultants based in Charlotte, United States31
- Energy infrastructure consultants based in Monterrey, Mexico31
- Energy infrastructure consultants based in Essen, Germany30
- Energy infrastructure consultants based in Leipzig, Germany28
- Energy infrastructure consultants based in Turin, Italy28
- Energy infrastructure consultants based in Toulouse, France26
- Energy infrastructure consultants based in Bristol, United Kingdom25
- Energy infrastructure consultants based in Orlando, United States25
- Energy infrastructure consultants based in Phoenix, United States25
- Energy infrastructure consultants based in Seattle, United States25
- Energy infrastructure consultants based in Stuttgart, Germany25
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 consultants, 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 consultants are there worldwide?
RevenueBase identified 28,372 energy infrastructure consultants 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 consultants?
The United States leads with 4,628 companies, followed by Brazil (2,308) and India (1,825). Every energy infrastructure consultants list by country and city is linked on this page.
Which city has the most energy infrastructure consultants?
London leads with 380 headquartered companies, followed by Houston (309) and Sao Paulo (296).
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 333,657 verified decision-maker contacts tracked across these 28,372 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 16, 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.