Company lists · Data refreshed September 2026

Top 22 Sustainability focused venture capital based in Chicago, United States

RevenueBase identified 36 company matches for sustainability focused venture capital associated with Chicago, United States as of September 2026 and tracks 241 professional contacts across them, including 117 with verified work emails. Across the United States, New York is the largest hub for this category (181 companies); Chicago has 36.

This list covers company matches for sustainability focused venture capital associated with Chicago, 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 14, 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 14, 2026 How this list was built
36Companies
241Contacts tracked
117Verified emails
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The 22 largest sustainability focused venture capital based in Chicago, United States

Ranked by team size
Top 22 of 36 company matches for sustainability focused venture capital based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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 matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5034 contacts →

Exact match

“Energize Capital invests in climate solutions with ambition.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 14, 2026201-50031 contacts →

Exact match

“Abundant Venture Partners was founded on the belief that healthcare’s most important challenges are too complex for any organization to solve alone.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-1023 contacts →

Exact match

“Impact Engine is an institutional investor managing venture capital and private equity strategies that drive positive impact in the areas of economic opportunity, environmental…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-1017 contacts →

Exact match

“Evergreen Climate Innovations, formerly Clean Energy Trust, provides catalytic capital and support to entrepreneurs and startups that bring impactful climate technologies to…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-1017 contacts →

Exact match

“We are a collection of entrepreneurs who brought our offline industries online.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-1016 contacts →

Exact match

“We partner with founders for their journey ahead, investing with flexibility and scale to build companies that last.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5012 contacts →

Exact match

“Earth Foundry is a pioneering early-stage venture capital firm, recognized globally for our ability to identify, invest in, and scale the most transformative startups in critical…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-1012 contacts →

Exact match

“The only early-stage venture capital fund solely dedicated to the energy expansion enabled by the innovation and resilience of the natural gas value chain.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5010 contacts →

Exact match

“The energy transition is accelerating, broadening, and deepening.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-107 contacts →

Exact match

“Our Eco strategies address the root causes of environmental imperatives of our day by directing investment into tangible solutions.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-106 contacts →

Exact match

“We partner with builders.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“Ranch Ventures Fund I LLC is an investment banking company based out of 1050 STATE ST, Chicago, Illinois, United States.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“Caelum Ventures is a venture growth fund investing in IT & Energy.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-102 contacts →

Exact match

“The built environment needs a new investment model: a third-party strategy that integrates innovation efforts, open innovation practices, and venture investing to align this…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-102 contacts →

Exact match

“Agrani Ventures is a private investment firm that backs entrepreneurs committed to building long term sustainable business models.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-501 contacts →

Exact match

“S2G Ventures partners with entrepreneurs who are working on solutions to some of the world’s greatest challenges across the food, agriculture, oceans, and clean energy markets.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchChicago, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“At K4 Capital we focus on investing in what we know.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“22c's mission is to help prepare the world for the next century through sustainable infrastructure investments primarily through community solar and battery energy storage…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“ARCO Ventures is an early-stage venture fund helping to identify, invest in, and bring to life bold ideas that will shepherd the built world into the next generation of…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchChicago, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“We invest in super cool, passionate, nice people We are interested in initiatives that help the environment We love for-profit business models We are experienced technology…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-101 contacts →

Exact match

“Facilitating partnerships of thoughtful early stage capital investors with outstanding founders and their life altering concepts to produce game changing products or services and…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 22 of 36 sustainability focused venture capital based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainability focused venture capital based in Chicago, United States at a glance

As of Sep 14, 2026
48.5%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
6
201-500
1

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 36 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 Chicago, United States whose business descriptions match “sustainability focused venture capital” 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 117 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 14, 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 “sustainability focused venture capital”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainability focused venture capital are there based in Chicago, United States?

RevenueBase identified 36 company matches for sustainability focused venture capital associated with Chicago, 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?

Energize Capital 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 sustainability focused venture capital?

New York leads the United States with 181 company records, followed by San Francisco (155) and Los Angeles (73). Chicago has 36.

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 117 professional contacts with verified work emails tracked across these 36 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 14, 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.