Company lists · Data refreshed October 2026

Top 25 Energy efficiency research institutes based in the United States

RevenueBase identified 159 company matches for energy efficiency research institutes associated with the United States as of October 2026 and tracks 4,124 professional contacts across them, including 1,650 with verified work emails. Berkeley is the largest hub.

This list covers company matches for energy efficiency research institutes associated with the 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 12, 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 12, 2026 How this list was built
159Companies
4,124Contacts tracked
1,650Verified emails
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The 25 largest energy efficiency research institutes based in the United States

Ranked by team size
Top 25 of 159 company matches for energy efficiency research institutes based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDes Plaines, IL, United StatesHQ recorded Oct 12, 2026201-500511 contacts →

Exact match

“For more than eight decades, GTI Energy has contributed to the strengthening of energy systems and the communities they serve.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchGrand Forks, ND, United StatesHQ recorded Oct 12, 2026201-500200 contacts →

Exact match

“The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Oct 12, 202651-20091 contacts →

Exact match

“The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchOmaha, NE, United StatesHQ recorded Oct 12, 202611-5054 contacts →

Exact match

“Bes-Tech has been a leader in energy efficient building systems technologies for the past nine years.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchCarmel, IN, United StatesHQ recorded Oct 12, 202651-20053 contacts →

Exact match

“Skill Demand Energy partners with utilities, local and state governments, and other entities that provide solutions to reduce America’s energy usage.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchCerritos, CA, United StatesHQ recorded Oct 12, 202651-20052 contacts →

Exact match

“FCI provides impactful energy solutions at every point on the delivery chain-from system design to program development to marketing and installation.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchPortland, OR, United StatesHQ recorded Oct 12, 202611-5045 contacts →

Exact match

“New Buildings Institute (NBI) is a nonprofit organization working to improve the energy performance of commercial buildings.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Oct 12, 202611-5044 contacts →

Exact match

“The Alliance to Save Energy provides access to the most influential coalition of bipartisan government, agency, and business leaders in energy efficiency.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Oct 12, 202611-5042 contacts →

Exact match

“The Institute for Market Transformation (IMT) is a national nonprofit organization focused on increasing energy efficiency in buildings to save money, drive economic growth and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchHonolulu, HI, United StatesHQ recorded Oct 12, 202651-20038 contacts →

Exact match

“Energy Industries Corporation specializes in energy efficiency and renewable energy programs for the commercial, industrial and institutional sectors, primarily focusing on…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchLatham, NY, United StatesHQ recorded Oct 12, 202611-5037 contacts →

Exact match

“IREC is an independent national not-for- profit organization that envisions a world powered by clean sustainable energy, where society's interests are valued and protected.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchFairfield, CT, United StatesHQ recorded Oct 12, 202611-5022 contacts →

Exact match

“NEW ENGLAND SMART ENERGY GROUP, LLC was not founded by a contractor, or an investor, but an energy efficiency advocate who, after years of research came to the undeniable…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchBoulder, CO, United StatesHQ recorded Oct 12, 202611-5018 contacts →

Exact match

“Providing objective and insightful research for the energy efficiency industry.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchDallas, TX, United StatesHQ recorded Oct 12, 202611-5018 contacts →

Exact match

“energyware™ - Energy Efficiency Start your green journey today!”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Oct 12, 202611-5017 contacts →

Exact match

“Waypoint Energy develops and manages private, public, and utility programs throughout the U.S.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchCovina, CA, United StatesHQ recorded Oct 12, 202611-5014 contacts →

Exact match

“Power, Environmental and Energy Research (PEER) Institute was originally established in 1998 as the PEER Center at California Institute of Technology (Caltech).”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchEast Lansing, MI, United StatesHQ recorded Oct 12, 202611-5010 contacts →

Exact match

“Michigan Energy Options (MEO) is a nonprofit that has been in business since 1978.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchBerkeley, CA, United StatesHQ recorded Oct 12, 202611-5010 contacts →

Exact match

“CIEE is a dedicated group of experts who define, conduct, and manage public-interest energy research.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Oct 12, 202611-508 contacts →

Exact match

“Energy Resource Integration (ERI) is a private energy engineering firm founded in 2011 on the West Coast to help companies develop sustainability through energy efficiency -…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchGlastonbury, CT, United StatesHQ recorded Oct 12, 20261-108 contacts →

Exact match

“Karpman Consulting is a woman-owned engineering firm.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchFranklin, MA, United StatesHQ recorded Oct 12, 20261-107 contacts →

Exact match

“E4TheFuture created the #FacesofEE initiative to show the power of the US energy efficiency workforce.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchSchnecksville, PA, United StatesHQ recorded Oct 12, 20261-105 contacts →

Exact match

“Since Sustainable Energy Fund has worked diligently to build a sustainable energy future for the Commonwealth of Pennsylvania.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchSeattle, WA, United StatesHQ recorded Oct 12, 20261-103 contacts →

Exact match

“The Smart Buildings Center (SBC) is a non-profit organization that supports growth and innovation in the Northwest’s energy efficiency industry.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchHappy Valley, OR, United StatesHQ recorded Oct 12, 20261-102 contacts →

Exact match

“Since 2004, I have been designing and delivering energy-efficiency programs across the country in both commercial and residential markets.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchBaltimore, MD, United StatesHQ recorded Oct 12, 20261-102 contacts →

Exact match

“At TerraLogos Enegery Group, we’re on a mission to transform the environment in which our customers live, work and play.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 159 energy efficiency research institutes based in the United States

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Energy efficiency research institutes based in the United States at a glance

As of Oct 12, 2026
40.0%Verified-email coverage
25.9Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · Berkeley
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
72
51-200
20
201-500
6
501-1,000
1
1,001-5,000
2
10001+
3

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 159 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 the United States whose business descriptions match “energy efficiency research institutes” 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 1,650 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 12, 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.

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 efficiency research institutes”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency research institutes are there based in the United States?

RevenueBase identified 159 company matches for energy efficiency research institutes associated with the 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?

GTI Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy efficiency research institutes?

Berkeley leads with 5 company records, followed by Davis (4) and Washington (4).

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 1,650 professional contacts with verified work emails tracked across these 159 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 12, 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.