Company lists · Data refreshed September 2026
Top 25 Green building investment firms based in the United States
RevenueBase identified 988 green building investment firms headquartered in the United States as of September 2026 and tracks 11,169 professional contacts across them, including 4,938 with verified work emails. New York is the largest hub.
This list covers green building investment firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest green building investment firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,213 contacts → | ||||
Indirect evidence “We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,145 contacts → | ||||
Indirect evidence “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 240 contacts → | ||||
Indirect evidence “Grubb Properties, founded in 1963, is a vertically integrated real estate company focused on Essential Housing through its Link Apartments℠ brand.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 229 contacts → | ||||
Indirect evidence “Sherman Associates is a leader in sustainable commercial real estate development and operations, with a diverse portfolio spanning the Midwest, Colorado, and Florida.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 201 contacts → | ||||
Indirect evidence “WhiteWater is a management owned, Austin based infrastructure company founded in 2016.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 196 contacts → | ||||
Indirect evidence “HASI invests in sustainable infrastructure assets advancing the energy transition.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 123 contacts → | ||||
Indirect evidence “ECP (Energy Capital Partners) is an investor in critical infrastructure focused on electrification, decarbonization, reliability and sustainability.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 118 contacts → | ||||
Strong evidence “Erus Energy helps building owners evaluate and finance investments in Solar Energy and other energy saving equipment.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 107 contacts → | ||||
Partial evidence “At SRM, we pride ourselves on identifying and creating unique opportunities to improve the built environment and deliver durable returns on investment.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 105 contacts → | ||||
Partial evidence “The Domain Companies is one of the nation’s leading real estate investment and development firms specializing in sustainable mixed-use development.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 99 contacts → | ||||
Indirect evidence “We work to move society towards a sustainable future through the development and management of infrastructures that generate a positive social, economic and environmental…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 89 contacts → | ||||
Partial evidence “Verdani Partners is a full service sustainability consulting firm specialized in corporate sustainability, LEED certification and greening and retrofitting existing buildings.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 89 contacts → | ||||
Indirect evidence “Headquartered in Boston, Massachusetts, Taurus is a global real estate private equity firm with over 45 years of experience as a general partner, investor, and operator.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 88 contacts → | ||||
Indirect evidence “KCG Companies formed in 2015 with a single purpose: to build vibrant communities that offer all residents an enhanced quality of life and a proud place to call home.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 80 contacts → | ||||
Strong evidence “WE ARE CAPITAL SOLUTIONS PROVIDERS We’re building a diversified portfolio of investments, backed by hard asset collateral, supporting innovation in infrastructure.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 77 contacts → | ||||
Partial evidence “Trillium Asset Management offers investment strategies and services that seek to advance humankind towards a global sustainable economy, a just society, and a better world.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 75 contacts → | ||||
Partial evidence “Home Front is a design/build construction company specializing in green construction and preservation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 72 contacts → | ||||
Indirect evidence “CodeGreen is a leading national sustainability and energy efficiency consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 70 contacts → | ||||
Indirect evidence “Since 1981, The John Buck Company has reshaped the way real estate business is done.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 63 contacts → | ||||
Indirect evidence “Baumann Consulting is driven to deliver solutions for a carbon-neutral real estate industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 62 contacts → | ||||
Indirect evidence “Elemental Impact is a nonprofit investing platform with 15 years of experience advancing innovative technology that creates lasting economic and climate benefits across…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 60 contacts → | ||||
Partial evidence “GreenGen is a global leader in energy and sustainability solutions, empowering organizations to Operate in the Green®.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 58 contacts → | ||||
Partial evidence “Calvert Impact is a global impact investment firm that helps everyday investors and financial professionals invest in solutions that benefit people and the planet.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 56 contacts → | ||||
Indirect evidence “Our Mission At Churchill, our mission is to deliver financial services to our clients, while creating a meaningful social and economic impact to communities nationwide.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 55 contacts → | ||||
Indirect evidence “GEF Capital Partners was formed in March 2018 following the completion of a collaborative spinoff from Global Environment Fund, a pioneer in global sustainability and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: green building investment firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names green building investment firms.
- Partial evidence
- Its own public description names part of green building investment firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name green building investment firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 988 green building investment firms based in the United States
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Green building investment firms based in the United States at a glance
As of Sep 28, 2026Companies by employee count
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 988 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among green building investment firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “green building investment firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names green building investment firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among green building investment firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 4,938 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Green building investment firms by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names green building investment firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many green building investment firms are there based in the United States?
RevenueBase identified 988 green building investment firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Mckinstry, headquartered in Seattle, tops this list with the largest team on record.
Which city has the most green building investment firms?
New York leads with 85 headquartered companies, followed by Boston (27) and San Francisco (25).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,938 verified decision-maker contacts tracked across these 988 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
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Green building investment firms by geography
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- Green building investment firms based in London, United Kingdom
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- Green building investment firms based in New York, United States
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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 Smart Search, 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.
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