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Ridgewood Infrastructure

Private equity

New York · Growth · 27 people tracked

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Investment thesis

Ridgewood Infrastructure focuses on essential infrastructure in the U.S. lower middle market, targeting businesses that deliver critical services to the people they serve. The firm applies a proven investment strategy and draws on differentiated knowledge, expertise, and relationships to create value for its investors and stakeholders. It positions itself as a partner of choice for U.S. cities, industry-leading companies, and management teams, and emphasizes values-aligned investing as a driver of value creation.

Source: firm website, verified Sep 29, 2026.

Stage
Growth
Check
$50M – $150M
HQ
New York, New York, US
Instruments
Equity
Founded
2017
AUM
$1.8B
Tracked investments
17

Team · 27 people

from the firm's website & public directories

What they invest in

from 7 of 17 portfolio companies

Logistics & Supply Chain ×4Energy ×3Cleantech ×2Climate Tech ×2Hardware ×1Impact & Social Good ×1Mobility & Transportation ×1

HQs:United States×6

Investments · 17 tracked

founders shown can be your intro path
Carolina Marine Terminalcarolinamarineterminal.com✓ verified

Carolina Marine Terminal is a marine bulk cargo terminal that handles dry bulk goods such as aggregate rock, fertilizers, salt, crude iron, and chrome, and offers customized storage and handling for marine cargo.

Logistics & Supply Chain

APP Jet Centerappjetcenter.com

APP Jet Center operates fixed-base operations (FBOs) at business-aviation airports across the United States, offering hangar space, fueling programs, pilot lounges, meeting facilities and concierge services to private and business aircraft operators.

Logistics & Supply ChainMobility & TransportationStuart, US

Eric Hietala(Chief Operating Officer)inSharyar Aziz(Chief Financial Officer)in

Co-investorsBain Capital

Dauntless Airdauntlessair.com

Dauntless Air is an aerial firefighting company that operates a fleet of Fire Boss aircraft to suppress wildfires quickly before they spread.

Climate TechHardwareImpact & Social Good

MN8 Energymn8.com

MN8 Energy develops and operates clean energy infrastructure — including solar, battery storage, and EV charging assets — for enterprise, government, education, and utility customers across the United States.

CleantechClimate TechEnergy

Nassau Marine Terminalnassauterminal.com

Nassau Marine Terminal operates the Port of Fernandina on Amelia Island in Fernandina Beach, Florida, offering port operations along with warehousing and transportation for breakbulk, container, and heavy lift/specialty cargo.

Logistics & Supply ChainFernandina Beach, US

SíEnergysienergy.com

SiEnergy is a natural gas utility that has provided residential, community, and industrial customers with natural gas distribution services since 1998.

Energy

Sierra Railroadsierrarailroad.com

Sierra Railroad is a California-based rail company operating freight, intermodal, and passenger rail services, and it develops waste-to-energy gasification technology.

CleantechEnergyLogistics & Supply Chain

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Balderton eFrontCloudEcosaveEnvironmental Infrastructure PartnersNeptune Transmission LineProspect Lake Clean Water CenterThe Dupuy GroupUndineValley ColdVista RidgeWaste Resource Management (WRM)

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Ridgewood Infrastructure made?
Ridgewood Infrastructure has 17 tracked investments.
What stage does Ridgewood Infrastructure invest at?
Ridgewood Infrastructure invests at the Growth stage.
What is Ridgewood Infrastructure's typical check size?
Ridgewood Infrastructure typically writes checks of $50M – $150M.
What sectors does Ridgewood Infrastructure focus on?
Ridgewood Infrastructure focuses on Cleantech, Climate Tech, Cybersecurity, Data & Infrastructure, Energy, Mobility & Transportation, New Materials.
Where is Ridgewood Infrastructure located?
Ridgewood Infrastructure is headquartered in New York, US.
Who does Ridgewood Infrastructure co-invest with?
Ridgewood Infrastructure most often shares deals with Artesian, Balderton Capital, FirstMark Capital, among 9 tracked co-investors.

Images

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