Company lists · Data refreshed September 2026

Top 25 Energy sector IT consultants worldwide

Name: Energy sector IT consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 49,625 companies tracked

RevenueBase identified 49,625 company matches for energy sector IT consultants worldwide as of September 2026 and tracks 1,258,569 professional contacts across them, including 338,849 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy sector IT 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 September 28, 2026. Country and city lists for energy sector IT 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 Sep 28, 2026 How this list was built

49,625Companies

1,258,569Contacts tracked

338,849Verified emails

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The 25 largest energy sector IT consultants worldwide

Ranked by team size

Top 25 of 49,625 company matches for energy sector IT consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Sep 28, 2026	10001+	82,768 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	NTT Data	Exact match	Tokyo, JapanHQ recorded Sep 28, 2026	10001+	38,436 contacts →
	Exact match “NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	10001+	22,733 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Technipfmc	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 28, 2026	10001+	19,907 contacts →
	Exact match “TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Birlasoft	Exact match	Pune, IndiaHQ recorded Sep 28, 2026	10001+	13,983 contacts →
	Exact match “Navigating Change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 28, 2026	10001+	13,155 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	10001+	12,815 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Apex Systems	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	12,231 contacts →
	Exact match “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Snc-Lavalin	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	10001+	9,992 contacts →
	Exact match “SNC Lavalin is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 28, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Vinci Energies	Exact match	Nanterre, FranceHQ recorded Sep 28, 2026	10001+	8,598 contacts →
	Exact match “In a world undergoing constant change, VINCI Energies contributes to the environmental transition by helping bring about major trends in the digital landscape and energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	5,001-10,000	8,440 contacts →
	Exact match “Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Devoteam	Exact match	Levallois-perret, FranceHQ recorded Sep 28, 2026	10001+	7,827 contacts →
	Exact match “Devoteam is a AI-driven tech consulting firm specialised in cloud platforms, cyber, data, and sustainability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 28, 2026	10001+	7,045 contacts →
	Exact match “We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	SHI International Corp	Exact match	Somerset, NJ, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,734 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	AYESA	Exact match	Sevilla, SpainHQ recorded Sep 28, 2026	10001+	6,630 contacts →
	Exact match “Ayesa is a global provider of technology and engineering services with more than 11500 employees in twenty-three countries across Europe, Latin America, Africa and Asia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Seidor	Exact match	Barcelona, SpainHQ recorded Sep 28, 2026	5,001-10,000	6,133 contacts →
	Exact match “At SEIDOR we help drive the transformation and competitiveness of our clients through technology and innovation, always focusing on the human value and prioritizing talents and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Sep 28, 2026	5,001-10,000	6,080 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Datacom	Exact match	Auckland, New ZealandHQ recorded Sep 28, 2026	5,001-10,000	5,958 contacts →
	Exact match “Customer focused values.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	SII Poland	Exact match	Warszawa, PolandHQ recorded Sep 28, 2026	5,001-10,000	5,519 contacts →
	Exact match “With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	SCC	Exact match	Birmingham, FranceHQ recorded Sep 28, 2026	5,001-10,000	5,460 contacts →
	Exact match “SCC unleashes the potential of IT for global businesses, as one of Europe’s largest independent IT groups.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Groupe SII	Exact match	Paris, FranceHQ recorded Sep 28, 2026	10001+	4,928 contacts →
	Exact match “Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Amaris Consulting	Exact match	Chêne-bourg, SwitzerlandHQ recorded Sep 28, 2026	5,001-10,000	4,824 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Team Computers	Exact match	New Delhi, IndiaHQ recorded Sep 28, 2026	1,001-5,000	4,607 contacts →
	Exact match “Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Management Solutions	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	1,001-5,000	4,468 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Sep 28, 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 “energy sector IT 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 49,625 energy sector IT consultants worldwide

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Energy sector IT consultants worldwide at a glance

As of Sep 28, 2026

26.9%Verified-email coverage

25.4Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

25,123

11-50

16,194

51-200

5,628

201-500

1,450

501-1,000

508

1,001-5,000

408

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 energy sector IT consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy sector IT 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 338,849 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 28, 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.

Energy sector IT consultants by location

251 lists · largest first

Every Energy sector IT 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 “energy sector IT consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy sector IT consultants are there worldwide?

RevenueBase identified 49,625 company matches for energy sector IT consultants 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?

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

Which country has the most energy sector IT consultants?

The United States leads with 8,416 companies, followed by India (4,159) and Brazil (2,476). Every energy sector IT consultants list by country and city is linked on this page.

Which city has the most energy sector IT consultants?

London leads with 665 company records, followed by Sao Paulo (504) and Houston (465).

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 338,849 professional contacts with verified work emails tracked across these 49,625 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 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 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.