Company lists · Data refreshed September 2026

Top 25 Sustainable energy consultants based in Portland, United States

Name: Sustainable energy consultants based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 36 companies tracked

RevenueBase identified 36 company matches for sustainable energy consultants associated with Portland, United States as of September 2026 and tracks 591 professional contacts across them, including 433 with verified work emails. Across the United States, Houston is the largest hub for this category (174 companies); Portland has 36.

This list covers company matches for sustainable energy consultants associated with Portland, 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 September 18, 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 Sep 18, 2026 How this list was built

36Companies

591Contacts tracked

433Verified emails

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The 25 largest sustainable energy consultants based in Portland, United States

Ranked by team size

Top 25 of 36 company matches for sustainable energy consultants based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	201-500	288 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2	Brightworks Sustainability	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	51-200	61 contacts →
	Exact match “Recognized for advanced subject matter expertise, wide-ranging technical resources, creative problem-solving, and excellence in professional practice, Brightworks Sustainability…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3	Energy 350, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	51-200	60 contacts →
	Exact match “Energy 350 takes pride in performing high quality energy studies and energy efficiency related services for end users as well as program administrators.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4	Competitive Energy Services	Exact match	Portland, ME, United StatesHQ recorded Sep 18, 2026	11-50	40 contacts →
	Exact match “Founded in by career energy professionals, Competitive Energy Services, LLC (CES) has been on the forefront of energy procurement since the advent of deregulation.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
5	Energy GPS LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	24 contacts →
	Exact match “Energy GPS LLC was formed in 2009 with the goal of providing analysis and advice to clients in the energy industry.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6	Stillwater Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	22 contacts →
	Exact match “Descending from the Beartooth Mountains in Yellowstone, Montana’s Stillwater River inspires all who see it.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7	Create Energy	Exact match	Portland, TN, United StatesHQ recorded Sep 18, 2026	11-50	18 contacts →
	Exact match “Create is redefining the future of energy with bold, innovative solutions that empower IPPs, developers, utilities, communities, and businesses to achieve true energy independence…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8	Strategic Energy Group	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	11-50	15 contacts →
	Exact match “Our mission is to provide environmentally responsible resource management that creates a competitive advantage for our clients and to provide a rewarding work environment for our…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9	Triplewin Advisory	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	8 contacts →
	Exact match “Everyone is too aware of the dangers of ignoring sustainability, but are you aware of the range of advantages in a proper sustainability strategy?” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10	Creative Renewable Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	6 contacts →
	Exact match “Creative Renewable Solutions is a clean energy consulting firm that helps businesses, utilities, and clean energy developers achieve their unique sustainability and performance…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11	Green Earth Search	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	6 contacts →
	Exact match “Executive Search and strategic partnerships exclusive to the renewable energy industry.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12	Briburn	Exact match	Portland, ME, United StatesHQ recorded Sep 18, 2026	1-10	5 contacts →
	Exact match “BRIBURN is committed to creating innovative, energy efficient, and environmentally sound solutions, for residential, commercial, institutional, and civic projects, that artfully…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
13	Anchor Blue Consulting, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	4 contacts →
	Exact match “Anchor Blue LLC is a small energy consulting firm specializing in services related to energy efficiency, renewable energy, demand response and other demand side management…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
14	Maine Energy Experts	Exact match	Portland, ME, United StatesHQ recorded Sep 18, 2026	11-50	4 contacts →
	Exact match “Maine Energy Experts is a Renewable Energy Business in southern Maine, providing solar energy, heat pumps, and new roof solutions to businesses and homeowners.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
15	Spring Forward LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	2 contacts →
	Exact match “Spring Forward LLC is a woman-owned sustainability consulting firm based out of Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
16	Coefficient Consulting LTD	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	2 contacts →
	Exact match “We help organizations articulate their vision for success while providing coaching, engineering, and organizational resources to support their energy management journey.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
17	A Inman Consulting, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “A Inman Consulting specializes in delivering a comprehensive suite of services designed to empower our clients in the realm of energy efficiency.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
18	Uplevel Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “Uplevel Energy provides targeted and specialized expertise in the energy and decarbonization sector.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
19	Carbon Solutions Northwest LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
20	Collinscea	Exact match	Portland, ME, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “CollinsCEA provides expert consulting, engineering, and advising services to utilities, government, and commercial and industrial customers.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
21	Brockman Climate Strategies	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “I am focused on applying my 40+ year architectural experience to help decarbonize the built environment through three areas of service- Strategic Facilitation - Policy and…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
22	Lighthouse Energy Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “Energy planning for energy efficiency, demand response, and distributed energy resources.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
23	Propel Clean Energy Partners	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “Propel Clean Energy Partners is a strategic advisory services firm dedicated to helping public, private and civil society organizations make the greatest possible impact in the…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
24	Rockcress Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “Rockcress Consulting offers tailored clean energy consulting services to clients spanning diverse sizes and industries.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
25	Grid-Scale Advisors	Exact match	Portland, OR, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “Grid-Scale Advisors offers specialized advisory services to developers and investors looking to make smart technology and partnership decisions in the rapidly evolving energy…” Recorded in the RevenueBase company graph · Sep 18, 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 “sustainable energy 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 36 sustainable energy consultants based in Portland, United States

See the full list, filter by size, metro and specialty, and access 433 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable energy consultants based in Portland, United States at a glance

As of Sep 18, 2026

73.3%Verified-email coverage

16.4Average contacts per company

1-10Median size (employees)

Sep 18, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 36 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 Portland, United States whose business descriptions match “sustainable energy 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. 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 433 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 18, 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.

Sustainable energy consultants 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 “sustainable energy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable energy consultants are there based in Portland, United States?

RevenueBase identified 36 company matches for sustainable energy consultants associated with Portland, United States 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?

Cascade Energy 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 sustainable energy consultants?

Houston leads the United States with 174 company records, followed by New York (134) and Chicago (73). Portland has 36.

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 433 professional contacts with verified work emails tracked across these 36 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 18, 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.