Company lists · Data refreshed October 2026

Top 25 Energy infrastructure investors based in the United States

RevenueBase identified 879 company matches for energy infrastructure investors associated with the United States as of October 2026 and tracks 70,458 professional contacts across them, including 30,343 with verified work emails. New York is the largest hub.

This list covers company matches for energy infrastructure investors 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
879Companies
70,458Contacts tracked
30,343Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy infrastructure investors based in the United States

Ranked by team size
Top 25 of 879 company matches for energy infrastructure investors 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 matchJuno Beach, FL, United StatesHQ recorded Oct 12, 202610001+6,409 contacts →

Exact match

“NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchMerrillville, IN, United StatesHQ recorded Oct 12, 20265,001-10,0004,507 contacts →

Exact match

“NiSource (NYSE: NI) helps energize the lives of its nearly 4 million natural gas and electric customers across six states.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchShelton, CT, United StatesHQ recorded Oct 12, 202610001+4,366 contacts →

Exact match

“Hubbell Incorporated is a leading manufacturer of utility and electrical solutions that help build more reliable, resilient, and renewable energy infrastructure.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchAtlanta, GA, United StatesHQ recorded Oct 12, 202610001+3,666 contacts →

Exact match

“GE Vernova is a planned, purpose-built global energy company that includes Power, Wind, and Electrification businesses and is supported by its accelerator businesses of Advanced…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchChicago, IL, United StatesHQ recorded Oct 12, 20261,001-5,0002,472 contacts →

Exact match

“Invenergy is North America’s largest privately held developer, owner, and operator of innovative, reliable power infrastructure.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchAustin, TX, United StatesHQ recorded Oct 12, 20261,001-5,0001,760 contacts →

Exact match

“Enverus is a single source platform for management, development and acquisition, within the entire energy value chain.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchFramingham, MA, United StatesHQ recorded Oct 12, 20261,001-5,0001,513 contacts →

Exact match

“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 12, 2026501-1,0001,316 contacts →

Exact match

“Operating across every dimension of real assets investments, we see more so you can achieve more.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchSan Francisco, CA, United StatesHQ recorded Oct 12, 2026501-1,000837 contacts →

Exact match

“Clearway Energy Group’s vision is a world powered by clean energy.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Oct 12, 2026501-1,000826 contacts →

Exact match

“Pattern Energy is one of the world’s largest privately-owned developers and operators of wind, solar, transmission, and energy storage projects.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchIrving, TX, United StatesHQ recorded Oct 12, 20265,001-10,000734 contacts →

Exact match

“At Dynegy, we deliver more than just power to residential, municipal, commercial, and industrial customers across several states.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchDurham, NC, United StatesHQ recorded Oct 12, 2026501-1,000641 contacts →

Exact match

“Strata Clean Energy is a fully integrated energy infrastructure company serving utilities, independent power producers, and hyperscalers navigating the rapid transformation of the…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact matchWellesley Hills, MA, United StatesHQ recorded Oct 12, 2026501-1,000524 contacts →

Exact match

“For over ten years, SLC Management has helped our clients meet their long-term income and capital appreciation objectives by creating value through our disciplined and diversified…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Oct 12, 2026201-500511 contacts →

Exact match

“Cohen & Steers is a global investment manager specializing in liquid real assets, including real estate securities, listed infrastructure, and natural resource equities, as well…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchMiami, FL, United StatesHQ recorded Oct 12, 2026201-500452 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Oct 12, 2026501-1,000438 contacts →

Exact match

“Harrison Street Asset Management is a leading global alternative investment management firm with over $108 billion in assets under management through highly differentiated assets…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchSyracuse, NY, United StatesHQ recorded Oct 12, 2026201-500436 contacts →

Exact match

“K&A Power is a global energy infrastructure company focused on developing, engineering, delivering, and operating the critical systems that power modern economies.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchMiami, FL, United StatesHQ recorded Oct 12, 2026201-500405 contacts →

Exact match

“I Squared Capital is a leading independent global infrastructure investor dedicated to the mid-market, managing more than $60 billion in assets.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Oct 12, 2026501-1,000397 contacts →

Exact match

“Base is building the future of American power.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 879 energy infrastructure investors based in the United States

See the full list, filter by size, metro and specialty, and access 30,343 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy infrastructure investors based in the United States at a glance

As of Oct 12, 2026
43.1%Verified-email coverage
80.2Average contacts per company
11-50Median size (employees)
13.9%Largest-city concentration · New York
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
376
11-50
298
51-200
118
201-500
33
501-1,000
21
1,001-5,000
21
5,001-10,000
3
10001+
7

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 879 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 infrastructure investors” 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 30,343 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 infrastructure investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy infrastructure investors are there based in the United States?

RevenueBase identified 879 company matches for energy infrastructure investors 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?

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

Which city has the most energy infrastructure investors?

New York leads with 122 company records, followed by Houston (117) and Dallas (51).

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 30,343 professional contacts with verified work emails tracked across these 879 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 879 energy infrastructure investors based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.