The Wind River Environmental group of companies was founded in 1946 when Denny Currier of Middleton, Massachusetts began servicing local homes from his "honey wagon". Since 1999 the company has merged together some of the best known and most respected names in the industry and now provides service from Maine to Pennsylvania. The Wind River Environmental Group of Companies include:

A Able Septic
A1 Sanitation and Pumping
AA Pilgrim Pumping Service
Aardvark Pumping Service
Aardvark Systems
ABC Septic
Abco Cesspool Service
AF Thompson
All County Septic
Bentley Porter Co.
Bill Roy Septic Tank Cleaning
Blanchard Septic
BlueWater Septic
Bruce Scott Co.
Cortlandt Tank
Currier Septic & Drain Service
Dana Nash
Dick Shufelt Septic Maintenance
Dufours Pumping Service
EarthCare
Franklin Sanitation
Gator Enterprises
Glennon Cesspool Pumping
Grant’s Septic Kleen
Hickey Septic Service
Holden Sanitation
Larry Brooks Septic Service
Mid Cape Septic Service
Mr. Cesspool
Nustone
R. Rodrigues & Sons
RB Strong
Rego & Gifford Sanitation Service
Residual Management Services
Rick's Septic
Sears & Schofield
Sep TECH
Septic Maintenance
Suburban Waste Services
US Liquids
Water Solutions Group
WSMG