Company lists · Data refreshed September 2026

Top 25 Energy sector IT consultants based in the United States

Name: Energy sector IT consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,416 companies tracked

RevenueBase identified 8,416 energy sector IT consultants headquartered in the United States as of September 2026 and tracks 331,632 professional contacts across them, including 110,782 with verified work emails. Houston is the largest hub.

This list covers energy sector IT consultants headquartered in the United States, 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.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

8,416Companies

331,632Contacts tracked

110,782Verified emails

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The 25 largest energy sector IT consultants based in the United States

Ranked by team size

Top 25 of 8,416 energy sector IT consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to energy sector IT consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	DXC Technology	Partial evidence	Ashburn, VA, United StatesHQ checked Sep 28, 2026	10001+	82,768 contacts →
	Partial evidence “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Source: RevenueBase Database · checked Sep 28, 2026
2	CDW	Indirect evidence	Vernon Hills, IL, United StatesHQ checked Sep 28, 2026	10001+	13,155 contacts →
	Indirect evidence “At CDW, we know how to make technology work so people can do great things.” Source: RevenueBase Database · checked Sep 28, 2026
3	Guidehouse	Partial evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	10001+	12,815 contacts →
	Partial evidence “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Source: RevenueBase Database · checked Sep 28, 2026
4	Apex Systems	Indirect evidence	Glen Allen, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	12,231 contacts →
	Indirect evidence “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Source: RevenueBase Database · checked Sep 28, 2026
5	SHI International Corp	Indirect evidence	Somerset, NJ, United StatesHQ checked Sep 28, 2026	5,001-10,000	6,734 contacts →
	Indirect evidence “Think of SHI as your personal technology concierge.” Source: RevenueBase Database · checked Sep 28, 2026
6	Aricent	Indirect evidence	Santa Clara, CA, United StatesHQ checked Sep 28, 2026	10001+	4,302 contacts →
	Indirect evidence “Aricent is now Altran, delivering industry innovations at future speed.” Source: RevenueBase Database · checked Sep 28, 2026
7	Sargent & Lundy	Indirect evidence	Chicago, WY, United StatesHQ checked Sep 28, 2026	1,001-5,000	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 28, 2026
8	Presidio	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,798 contacts →
	Indirect evidence “At Presidio, speed and quality meet technology and innovation.” Source: RevenueBase Database · checked Sep 28, 2026
9	Visionet Systems INC	Indirect evidence	Cranbury, NJ, United StatesHQ checked Sep 28, 2026	10001+	3,119 contacts →
	Indirect evidence “Visionet is a premier digital technology solutions company built on the premise of disruptive innovation.” Source: RevenueBase Database · checked Sep 28, 2026
10	Entrust Solutions Group	Indirect evidence	Lisle, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,966 contacts →
	Indirect evidence “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Source: RevenueBase Database · checked Sep 28, 2026
11	FTI	Partial evidence	Menasha, WI, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,741 contacts →
	Partial evidence “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Source: RevenueBase Database · checked Sep 28, 2026
12	CTG	Partial evidence	Amherst, NY, United StatesHQ checked Sep 28, 2026	5,001-10,000	2,264 contacts →
	Partial evidence “CTG, a Cegeka company, is at the forefront of digital transformation, offering innovative IT solutions and services that accelerate your strategy and project momentum.” Source: RevenueBase Database · checked Sep 28, 2026
13	NAES	Partial evidence	Issaquah, WA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,956 contacts →
	Partial evidence “NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.” Source: RevenueBase Database · checked Sep 28, 2026
14	Enercon Services, INC	Partial evidence	Kennesaw, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,865 contacts →
	Partial evidence “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Source: RevenueBase Database · checked Sep 28, 2026
15	Tech Mahindra	Indirect evidence	Streetman, TX, United StatesHQ checked Sep 28, 2026	n/a	1,860 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
16	Westwood Professional Services	Indirect evidence	Plano, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,661 contacts →
	Indirect evidence “At Westwood, our purpose is to create a better world for people through our work.” Source: RevenueBase Database · checked Sep 28, 2026
17	BHI Energy	Partial evidence	Weymouth, MA, United StatesHQ checked Sep 28, 2026	5,001-10,000	1,427 contacts →
	Partial evidence “BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…” Source: RevenueBase Database · checked Sep 28, 2026
18	Ameresco	Partial evidence	Framingham, MA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,383 contacts →
	Partial evidence “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Source: RevenueBase Database · checked Sep 28, 2026
19	Trace3	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,345 contacts →
	Indirect evidence “Trace3 delivers business transformation.” Source: RevenueBase Database · checked Sep 28, 2026
20	V-Soft Consulting Group, INC	Indirect evidence	Louisville, KY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,221 contacts →
	Indirect evidence “V-Soft Consulting, an innovative corporation specializing in Information Technology consulting; including staffing, digital, and infrastructure solutions.” Source: RevenueBase Database · checked Sep 28, 2026
21	Barr Engineering CO	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,088 contacts →
	Indirect evidence “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Source: RevenueBase Database · checked Sep 28, 2026
22	Gulf Companies	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,046 contacts →
	Partial evidence “At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Source: RevenueBase Database · checked Sep 28, 2026
23	Synoptek	Indirect evidence	Costa Mesa, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,037 contacts →
	Indirect evidence “Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.” Source: RevenueBase Database · checked Sep 28, 2026
24	Emonics LLC	Indirect evidence	Piscataway, NJ, United StatesHQ checked Sep 28, 2026	1,001-5,000	936 contacts →
	Indirect evidence “Emonics LLC connects you with the right talent at the right time.” Source: RevenueBase Database · checked Sep 28, 2026
25	Willdan	Indirect evidence	Anaheim, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	851 contacts →
	Indirect 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, 2026

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 sector IT 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 sector IT consultants.
Partial evidence: Its own public description names part of energy sector IT consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name energy sector IT 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 8,416 energy sector IT consultants based in the United States

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Energy sector IT consultants based in the United States at a glance

As of Sep 28, 2026

33.4%Verified-email coverage

39.4Average contacts per company

11-50Median size (employees)

5.5%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,953

11-50

2,722

51-200

1,215

201-500

298

501-1,000

107

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 8,416 companies.

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 sector IT 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “energy sector IT 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 sector IT 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 sector IT consultants, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 110,782 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 sector IT consultants by metro

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 sector IT 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 sector IT consultants are there based in the United States?

RevenueBase identified 8,416 energy sector IT consultants headquartered in the United States 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?

DXC Technology, headquartered in Ashburn, tops this list with the largest team on record.

Which city has the most energy sector IT consultants?

Houston leads with 465 headquartered companies, followed by New York (236) and Dallas (139).

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 110,782 verified decision-maker contacts tracked across these 8,416 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.