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Wind River Environmental
Wind River Environmental was founded in 1942 and is headquartered in Marlborough, Massachusetts.
Wind River Environmental
Wind River Environmental was founded in 1942 and is headquartered in Marlborough, Massachusetts. It is structured as a family office that owns and operates a network of septic, grease, and wastewater management services for residential, commercial, municipal, and industrial clients. The firm's strategy focuses on non-hazardous liquid waste systems, including grease traps, septic tanks, sludge hauling, and vacuum truck services. It covers the East Coast with over 100 local teams. The operating company manages 1,100 experts and 1,000 vehicles, serving more than 120,000 customers annually (per the firm). Leadership includes Don Dumont, Andrew Semmonella, Tim Lauria, Greg Creamer, Mark Farrell, David Parry, Shayne Ingersoll, and Brian Harrington (per the firm). The firm lists an acquisitions page and treatment facilities, indicating a roll-up growth model, though no recent deal is publicly dated. No other offices beyond Marlborough are disclosed. Wind River Environmental's structural differentiator is its hybrid operating-company model: the family office directly runs a portfolio of waste service brands, rather than deploying capital through external funds. This vertical integration gives it control over operations, fleet, and customer relationships — a rare architecture among family offices.
General information
Firm type
Single Family Office
Year founded
1942
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Marlborough
Corporate office
Marlborough, MA, United States
Principals
Don Dumont
Leadership
Andrew Semmonella
Leadership
Tim Lauria
Leadership
Greg Creamer
Leadership
Mark Farrell
Leadership
David Parry
Leadership
Shayne Ingersoll
Leadership
Brian Harrington
Leadership
Sector focus
Frequently asked questions
Who runs investment decisions at Wind River Environmental?
Wind River Environmental does not publicly name a single CIO or investment head. Leadership listed on its website includes Don Dumont, Andrew Semmonella, Tim Lauria, Greg Creamer, Mark Farrell, David Parry, Shayne Ingersoll, and Brian Harrington (per the firm). The firm does not disclose an investment committee structure.
Is Wind River Environmental structured as a single family office or does it operate more like an operating company?
Wind River Environmental is structured as a family office that owns and operates a wastewater services company directly. It functions as an operating business — with over 1,100 employees, 1,000 vehicles, and 100 local teams — rather than as a passive investment vehicle. The firm does not disclose whether it makes external fund commitments or direct private investments beyond its core business.
Does Wind River Environmental participate in fund commitments or only direct deals?
Wind River Environmental does not disclose any fund commitments or direct investments outside its own operating company. Its known deployment is entirely within its wastewater service business, which it has grown organically and likely through acquisitions (the firm lists an acquisitions page on its website).
What investment stages does Wind River Environmental typically target?
Wind River Environmental focuses on mature, operational businesses within the non-hazardous liquid waste sector. It serves residential, commercial, municipal, and industrial clients — indicating a broad stage coverage but with a clear operational focus rather than early-stage venture or growth equity.
Which sectors does Wind River Environmental explicitly avoid?
Wind River Environmental does not publicly disclose sectors it avoids. Its disclosed operations are confined to septic, grease, and wastewater management — suggesting it does not participate in technology, healthcare, financial services, or other asset classes. The firm has not published any sector restrictions.
How is Wind River Environmental related to any parent or related vehicle?
Wind River Environmental does not disclose a parent company or any related family office vehicles. It appears to be the direct operating arm of a single family office, but the family behind it is not publicly named. The firm lists an acquisitions page, indicating it may have a related vehicle for consolidating regional waste service providers.
Where does the underlying wealth come from?
Wind River Environmental does not disclose the origin of its underlying family wealth. The firm's website provides no information about the family or the original source of capital used to acquire or build the business.
Does Wind River Environmental maintain philanthropic structures, and how are they separated?
Wind River Environmental's website includes a 'Philanthropy & Community' section under its About page, but no details on specific foundations, grants, or separation from the operating business are provided. The firm has not disclosed any charitable vehicles.
What is Wind River Environmental's known posture on co-investments alongside external GPs?
Wind River Environmental does not disclose any co-investment activity alongside external general partners. Its known capital deployment is entirely within its own operating company, and it has not publicly participated in any third-party fund or direct co-investment deals.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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