Company lists · Data refreshed September 2026

Top 25 Energy engineering consulting firms based in Austin, United States

Name: Energy engineering consulting firms based in Austin, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 99 companies tracked

RevenueBase identified 99 company matches for energy engineering consulting firms associated with Austin, United States as of September 2026 and tracks 3,733 professional contacts across them, including 1,943 with verified work emails. Across the United States, Houston is the largest hub for this category (298 companies); Austin has 99.

This list covers company matches for energy engineering consulting firms 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 24, 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 24, 2026 How this list was built

99Companies

3,733Contacts tracked

1,943Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy engineering consulting firms based in Austin, United States

Ranked by team size

Top 25 of 99 company matches for energy engineering consulting firms based in Austin, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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 24, 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 24, 2026 · View company records in RevenueBase
2	Electric Power Engineers	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	501-1,000	630 contacts →
	Exact match “Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	EEA Consulting Engineers	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	51-200	157 contacts →
	Exact match “EEA Consulting Engineers is a full-service mechanical, electrical and plumbing (MEP)consulting firm serving new and existing facilities in all market sectors.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	MEP Engineering, INC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	77 contacts →
	Exact match “Over the course of our firm’s 28-year history, MEP has focused on cultivating a team which is friendly, approachable, and responsive.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Lonquist & Co., LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	51-200	56 contacts →
	Exact match “Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	BEE	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	41 contacts →
	Exact match “Bee® (Building energy efficiency) is a building and facility energy engineering firm.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Baer Engineering & Environmental Consulting, INC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	32 contacts →
	Exact match “About Baer Engineering and Environmental Consulting, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	BIG RED DOG Engineering Consulting	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	501-1,000	31 contacts →
	Exact match “BIG RED DOG (BRD) is a Texas-based engineering firm that specializes in Civil, MEP, Structural, Traffic, and Transportation Engineering for real estate, infrastructure, and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	Energy Renewal Partners, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	30 contacts →
	Exact match “The mission of Energy Renewal Partners is to be a partner to our clients focused on delivering successful projects.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	Harris Energy Solutions LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	29 contacts →
	Exact match “HES has extensive experience and expertise in all aspects of energy management, including energy efficiency analysis, energy master planning, alternative energy sources, and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	TOM Green & Company Engineers, INC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	25 contacts →
	Exact match “We have more than three decades of experience in MEP design, consulting, commissioning, planning and analysis.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	BAY & Associates, INC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	24 contacts →
	Exact match “We are engineers who design mechanical, electrical, and plumbing systems with a focus on sustainability and energy efficiency.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Dastur Energy	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
14	SQ Environmental, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	21 contacts →
	Exact match “SQ Environmental, LLC (SQE) is a full-service environmental engineering and consulting firm with a team of professionals dedicated to providing high-quality, cost-effective…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Axis Solar	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
16	The Power Company USA LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
17	Analemma Group	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	19 contacts →
	Exact match “Analemma Group delivers energy-efficient MEP engineering services tailored to the needs of architects, engineers, and building owners.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Aptus Engineering	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	16 contacts →
	Exact match “APTUS Engineering is a full service Mechanical, Electrical and Plumbing (MEP) engineering consulting company specializing in Mechanical, Electrical & Plumbing Engineering…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	Longevity Partners USA	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
20	Waterloo MEP Engineering	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	15 contacts →
	Exact match “Waterloo\|MEP Engineering, LLC is a forward-thinking mechanical, electrical, and plumbing engineering firm focused on delivering superior design solutions with attentive client…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	INS Engineering	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	13 contacts →
	Exact match “INS Engineering is a professional engineering firm providing engineering services, including system models, studies, and designs for transmission, distribution, and energy systems.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Blue Ocean Energy	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
23	PGH Petroleum & Environmental Engineers, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	12 contacts →
	Exact match “PGH Petroleum & Environmental Engineers, LLC, a GAI Company, provides petroleum engineering, litigation support, and permitting and regulatory consulting services for oil and gas…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	ACR Engineering INC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	Pickett Kelm And Associates INC	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 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 engineering consulting firms”. 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 99 energy engineering consulting firms based in Austin, United States

See the full list, filter by size, metro and specialty, and access 1,943 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy engineering consulting firms based in Austin, United States at a glance

As of Sep 24, 2026

52.0%Verified-email coverage

37.7Average contacts per company

11-50Median size (employees)

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 99 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 “energy engineering consulting firms” 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 1,943 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 24, 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 engineering consulting firms 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 engineering consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy engineering consulting firms are there based in Austin, United States?

RevenueBase identified 99 company matches for energy engineering consulting firms 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 energy engineering consulting firms?

Houston leads the United States with 298 company records, followed by New York (190) and Austin (99).

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 1,943 professional contacts with verified work emails tracked across these 99 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 24, 2026.

Ready to reach these companies? Verified emails and direct dials for all 99 energy engineering consulting firms based in Austin, United States. Start with a free account, no credit card.

Download this list →

Related lists

Energy engineering consulting firms by geography

Browse the directory

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.