Company lists · Data refreshed October 2026

Top 25 Energy sector funds based in the United States

RevenueBase identified 468 company matches for energy sector funds associated with the United States as of October 2026 and tracks 16,236 professional contacts across them, including 8,061 with verified work emails. Houston is the largest hub.

This list covers company matches for energy sector funds 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
468Companies
16,236Contacts tracked
8,061Verified emails
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The 25 largest energy sector funds based in the United States

Ranked by team size
Top 25 of 468 company matches for energy sector funds 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 matchNew York, NY, United StatesHQ recorded Oct 12, 20261,001-5,0004,303 contacts →

Exact match

“We are a leading global investment firm that invests as long-term owners on behalf of institutions and individuals worldwide.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Oct 12, 20261,001-5,0003,018 contacts →

Exact match

“Nuveen is a global investment leader, managing public and private assets for clients around the world and on behalf of TIAA, our parent company and one of the world’s largest…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Oct 12, 2026501-1,000868 contacts →

Exact match

“General Atlantic is a leading global investor with more than four and a half decades of experience providing capital and strategic support to over 830 companies throughout its…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchStamford, CT, United StatesHQ recorded Oct 12, 2026201-500637 contacts →

Exact match

“Castleton Commodities International is at the cutting edge of energy trading and infrastructure asset investing backed by the best minds in the industry and powered by deep…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Oct 12, 2026201-500542 contacts →

Exact match

“Founded in 1990, LS Power is a premier development, investment, and operating company focused on the North American power and energy infrastructure sector, with leading platforms…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchLos Angeles, CA, United StatesHQ recorded Oct 12, 2026201-500390 contacts →

Exact match

“Kayne Anderson, founded in 1984, is a leading alternative investment management firm focused on real estate, credit, infrastructure, and energy.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Oct 12, 2026501-1,000376 contacts →

Exact match

“Scout Energy Partners Scout is a private investment firm, acquiring and operating energy assets for institutional partners.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchTulsa, OK, United StatesHQ recorded Oct 12, 2026201-500344 contacts →

Exact match

“Vital Energy is committed to energizing human potential.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchAnnapolis, MD, United StatesHQ recorded Oct 12, 202651-200226 contacts →

Exact match

“HASI invests in sustainable infrastructure assets advancing the energy transition.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchDallas, TX, United StatesHQ recorded Oct 12, 202651-200207 contacts →

Exact match

“Stronghold Investment Management is an investment manager, focused on energy and natural resources, fortified by an experienced operating and technical team.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 12, 202651-200201 contacts →

Exact match

“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Oct 12, 202651-200196 contacts →

Exact match

“EIG is a leading institutional investor in the global energy and infrastructure sectors with $27.9 billion assets under management as of June 30, 2026.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchOklahoma City, OK, United StatesHQ recorded Oct 12, 202651-200149 contacts →

Exact match

“Founded in 2010, Warwick Investment Group is a SEC-registered investment advisor, managing funds that invest globally in natural resources and real estate.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchSummit, NJ, United StatesHQ recorded Oct 12, 202651-200136 contacts →

Exact match

“ECP (Energy Capital Partners) is an investor in critical infrastructure focused on electrification, decarbonization, reliability and sustainability.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Oct 12, 202651-200129 contacts →

Exact match

“As a multi-strategy investment manager and independent power producer, Greenbacker Renewable Energy Company (Greenbacker) is empowering a sustainable world by connecting…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Oct 12, 202651-20099 contacts →

Exact match

“Since 1984, Parnassus Investments has invested differently.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchAllen, TX, United StatesHQ recorded Oct 12, 202651-20094 contacts →

Exact match

“Eckard Enterprises, LLC ("Eckard") is a family-owned and operated energy asset management firm, focused on the U.S.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Oct 12, 202611-5093 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchNew York, United StatesHQ recorded Oct 12, 202651-20080 contacts →

Exact match

“Kimmeridge is an energy-focused alternative investment manager located in New York and Denver.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchStamford, CT, United StatesHQ recorded Oct 12, 202651-20079 contacts →

Exact match

“Founded in 1983, First Reserve is a leading global private equity firm investing across energy, utility, and industrial markets.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchDallas, TX, United StatesHQ recorded Oct 12, 202651-20077 contacts →

Exact match

“It is undeniable that energy is an essential part of modern life.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchPlano, TX, United StatesHQ recorded Oct 12, 202651-20071 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchSan Diego, CA, United StatesHQ recorded Oct 12, 202611-5069 contacts →

Exact match

“Neos Partners is a middle-market investment firm focused on second-order investing in the energy transition and critical infrastructure sectors.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Oct 12, 202651-20067 contacts →

Exact match

“Duff & Phelps Investment Management pursues specialized investment strategies with exceptional depth of resources and expertise.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchWestport, CT, United StatesHQ recorded Oct 12, 202611-5061 contacts →

Exact match

“True Green Capital Management LLC (“TGC”) is a specialized renewable energy infrastructure fund manager with a focus in distributed power generation in the US and Europe.”

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

Showing 25 of 468 energy sector funds based in the United States

See the full list, filter by size, metro and specialty, and access 8,061 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy sector funds based in the United States at a glance

As of Oct 12, 2026
49.6%Verified-email coverage
34.7Average contacts per company
1-10Median size (employees)
15.6%Largest-city concentration · Houston
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
251
11-50
156
51-200
43
201-500
9
501-1,000
5
1,001-5,000
4

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 468 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 sector funds” 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 8,061 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 sector funds”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy sector funds are there based in the United States?

RevenueBase identified 468 company matches for energy sector funds 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?

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

Which city has the most energy sector funds?

Houston leads with 73 company records, followed by New York (70) and Dallas (49).

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 8,061 professional contacts with verified work emails tracked across these 468 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.

Ready to reach these companies? Verified emails and direct dials for all 468 energy sector funds based in the United States. Start with a free account, no credit card.

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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.