Company lists · Data refreshed October 2026

Top 25 Energy or utility consulting services based in Washington, United States

Name: Energy or utility consulting services based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 81 companies tracked

RevenueBase identified 81 company matches for energy or utility consulting services associated with Washington, United States as of October 2026 and tracks 1,790 professional contacts across them, including 512 with verified work emails. Across the United States, Houston is the largest hub for this category (378 companies); Washington has 81.

This list covers company matches for energy or utility consulting services associated with Washington, United States, 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 October 25, 2026.

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 Oct 25, 2026 How this list was built

81Companies

1,790Contacts tracked

512Verified emails

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The 25 largest energy or utility consulting services based in Washington, United States

Ranked by team size

Top 25 of 81 company matches for energy or utility consulting services based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	Synergy Consulting, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	51-200	433 contacts →
	Exact match “Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Atlas Research	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	201-500	28 contacts →
	Exact match “Atlas Research partners with clients to plan and execute enterprise-level transformation and performance improvement initiatives.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	Rapidan Energy Group	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	27 contacts →
	Exact match “Rapidan Energy Group provides differentiated and actionable insights on energy markets, policy, and geopolitics.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Falcon Capital Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	51-200	26 contacts →
	Exact match “Falcon Capital Advisors is a Washington, D.C.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Northbridge	Exact match	Washington, United StatesHQ recorded Oct 25, 2026	11-50	25 contacts →
	Exact match “At Northbridge, we provide our clients with the tools and expertise to help solve complex financial, policy, and environmental challenges.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	ARBO	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	24 contacts →
	Exact match “Our mission is to transform and translate regulatory data and actions into business intelligence that drives development and commercial decisions to help American industry sustain…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	North Arrow, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	23 contacts →
	Exact match “DUNS Number: 08-001-8268 CAGE Code: 7GN69 SBA Certified Small Business District of Columbia Certified Business Enterprise (CBE) Metropolitan Washington Airports Authority Local…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	PAN Services DC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	1-10	17 contacts →
	Exact match “Pan Services is an International Full-Service Infrastructure Development and Management Advisory services firm offering Design, Engineering, Construction, Consulting and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Grid Strategies LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	16 contacts →
	Exact match “Grid Strategies LLC is a power sector consulting firm helping clients understand the opportunities and barriers to integrating clean energy into the electric grid.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Mcspro, INC	Exact match	Washington, UT, United StatesHQ recorded Oct 25, 2026	11-50	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Numark Associates, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Co2efficient	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	1-10	12 contacts →
	Exact match “CO2EFFICIENT LLC (COEFFICIENT) was founded in 2017 as a mission-focused Washington, D.C.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Sustainable Capital Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “Sustainable Capital Advisors (SCA) is a strategy consulting and financial advisory firm focused on delivering innovative capital solutions for the sustainable infrastructure…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	S2 Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “S2 Strategies is an energy advisory firm founded in 2023 by Sam Ricketts and Shara Mohtadi.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Rebel North America	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	51-200	10 contacts →
	Exact match “As one of the leading U.S.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Global Connective Center, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	Weaver Advisory	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	1-10	9 contacts →
	Exact match “Weaver Advisory is a global consulting firm that has worked in over 20 countries helping organizations and governments to achieve the most ambitious projects.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Thelan	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	8 contacts →
	Exact match “Thelan is a professional services firm whose project management consultancy practice – with core competencies in Strategy, Planning, and Implementation – is at the center of its…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Partnership International, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	7 contacts →
	Exact match “Partnership International, Inc, founded in 1990, is an international consulting firm that provides socio-economic, regulatory, institutional, technical, commercial and financial…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	HIP Consult INC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	11-50	6 contacts →
	Exact match “HIP Consult is an independent management consulting firm, offering strategic and operational services to companies, investors, international agencies, and governments worldwide.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Energy Shrink, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	1-10	6 contacts →
	Exact match “Energy Shrink is an environmental consulting practice specialized in sustainability and energy efficiency in buildings, that is, high-performance or green buildings.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Green Strategies, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	1-10	5 contacts →
	Exact match “Green Strategies Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23	Oasis Energy Partners	Exact match	Washington, United StatesHQ recorded Oct 25, 2026	1-10	5 contacts →
	Exact match “OASIS Energy Partners is a full-service consulting and advisory firm at the intersection of energy, environment, and climate.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	GQS NEW Energy Strategies	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	1-10	5 contacts →
	Exact match “Our team leverages deep industry expertise to help you navigate regulatory shifts and seize new opportunities in clean energy.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Chaise Management Group, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 25, 2026	51-200	4 contacts →
	Exact match “Chaise Group is a forward-thinking management consulting firm that provides market-ready, innovative, and sustainable solutions to meet the complex needs of today’s organizations.” Recorded in the RevenueBase company graph · Oct 25, 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 or utility consulting services”. 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 81 energy or utility consulting services based in Washington, United States

See the full list, filter by size, metro and specialty, and access 512 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy or utility consulting services based in Washington, United States at a glance

As of Oct 25, 2026

28.6%Verified-email coverage

22.1Average contacts per company

1-10Median size (employees)

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 81 companies.

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.
What qualifies: Company records associated with Washington, United States whose business descriptions match “energy or utility consulting services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 512 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 October 25, 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 or utility consulting services by metro in the United States

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 or utility consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy or utility consulting services are there based in Washington, United States?

RevenueBase identified 81 company matches for energy or utility consulting services associated with Washington, United States as of October 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?

Synergy Consulting, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most energy or utility consulting services?

Houston leads the United States with 378 company records, followed by New York (170) and Dallas (93). Washington has 81.

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 512 professional contacts with verified work emails tracked across these 81 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 October 25, 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.