Company lists · Data refreshed September 2026

Top 25 Sustainable energy consultants based in Austin, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 62 companies tracked

RevenueBase identified 62 company matches for sustainable energy consultants associated with Austin, United States as of September 2026 and tracks 3,721 professional contacts across them, including 1,269 with verified work emails. Across the United States, Houston is the largest hub for this category (174 companies); Austin has 62.

This list covers company matches for sustainable energy consultants associated with Austin, 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

62Companies

3,721Contacts tracked

1,269Verified emails

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

Ranked by team size

Top 25 of 62 company matches for sustainable energy consultants based in Austin, 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	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1,001-5,000	2,121 contacts →
	Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	n/a	1,145 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3	Carbonbetter	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	58 contacts →
	Exact match “We believe that what’s good for our planet is good for business.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4	Lighthouse Solar Austin	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	41 contacts →
	Exact match “Our vision is to empower and enlighten residential and commercial customers in Texas.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
5	THG Energy Solutions	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	33 contacts →
	Exact match “Trusted by more than utility accounts across North America and backed by proven enterprise integrations, THG Energy Solutions helps commercial and industrial organizations…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6	Dastur Energy	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	22 contacts →
	Exact match “Dastur Energy is an Austin, Texas based energy technology company, that is leading the way in the field of clean energy, with a strong track record of pioneering innovative…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7	Axis Solar	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	21 contacts →
	Exact match “Axis Solar is your trusted partner for engineering, procurement, and construction of commercial solar systems.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8	The Power Company USA LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	20 contacts →
	Exact match “The Power Company is a professional energy consulting firm whose mission is to reduce our clients' energy expenses.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9	Longevity Partners USA	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	16 contacts →
	Exact match “Longevity Partners is a multidisciplinary energy and sustainability consultancy and investment business.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10	Blue Ocean Energy	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	13 contacts →
	Exact match “Blue Ocean Energy is an energy consulting firm located in Austin, Texas.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11	Industrial SUN	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	8 contacts →
	Exact match “Industrial Sun is a renewable energy and storage developer, purpose-built to serve industrial and high energy demand customers, including refineries, pumping and compression…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12	AB Power Advisors, A Priority Power Company	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	6 contacts →
	Exact match “In 2018, Co-Founders Ryan Aldridge and Matthew Berend established AB Power Advisors, a premier advisory services firm that specializes in delivering customized solutions to the…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
13	Energy Bees	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	6 contacts →
	Exact match “Energy Bees is a women-owned energy consulting firm helping clients make smarter, data-driven decisions that improve financial performance, compliance, and long-term asset value.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
14	Ideasmiths LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	5 contacts →
	Exact match “IdeaSmiths has a deep and broad understanding of energy systems.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
15	Creation Energy LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	5 contacts →
	Exact match “The future of energy does not look like energy today.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
16	Divergent Solar	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	5 contacts →
	Exact match “Divergent Solar is a top tier brokerage that helps homeowners and businesses save thousands by switching to sustainable energy.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
17	Quotenergy, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	11-50	5 contacts →
	Exact match “QuotEnergy Advisors is an energy management firm that continually delivers savings opportunities for clients in the commercial, industrial, and government sectors.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
18	Affinity Engineering	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	5 contacts →
	Exact match “Affinity Engineering provides energy engineering and consulting services to regulated utilities and large energy users.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
19	Osiyo Renewables LLC	Exact match	Austin, United StatesHQ recorded Sep 18, 2026	1-10	4 contacts →
	Exact match “Developing and investing in renewable energy projects across the Americas; serving corporate and institutional clients with customized, efficient clean energy solutions” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
20	Excellent For Energy Consultancy	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	3 contacts →
	Exact match “Excellent for Energy Consultancy is a US company located in Austin, Texas provides consulting energy services, power system studies, industrial solutions and advanced training.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
21	Outlier Energy	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	2 contacts →
	Exact match “Outlier Energy develops firm and carbon-free power generation resources for commercial and industrial customers who insist on reliable power and zero carbon.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
22	Executive Advisory Services Energy	Exact match	Austin, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “We offer leadership level consulting services in Business Strategy along with services in the Energy Industry spanning Energy Policy, Electric Utility Operations, Electric Market…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
23	M3ridian	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “M3ridian provides purpose driven project management for owners and developers across major industries including renewable energy, heavy civil infrastructure, power transmission…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
24	Power Forward, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “Power Forward is an engineering firm founded on the principle that those who came before us have had a powerful impact on our world today.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
25	Acros Energy	Exact match	Austin, TX, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “On the path toward a future powered by renewable energies, we strive to provide our clients with exceptional engineering services for their projects.” 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 62 sustainable energy consultants based in Austin, United States

See the full list, filter by size, metro and specialty, and access 1,269 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 18, 2026

34.1%Verified-email coverage

60.0Average contacts per company

1-10Median size (employees)

Sep 18, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Austin, so it is reported there. Company counts and contact totals on this page are exact for Austin, over 62 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 Austin, 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 1,269 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 Austin, United States?

RevenueBase identified 62 company matches for sustainable energy consultants associated with Austin, 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?

Clearesult 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). Austin has 62.

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 1,269 professional contacts with verified work emails tracked across these 62 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.