Ralph S. Baker

Nashua River Watershed Association, Inc. operates as an association that uses a watershed approach to protect natural resources. The company was founded by Andre C. Reggio, Robert M. Boehme, Robert W. Brown, Frank Hanchett, and Harold Harley in 1969 and is headquartered in Groton, MA.

TerraTherm, Inc. provides soil remediation and groundwater remediation solutions. The firm advise on, design, build, and operate thermal remediation projects from concept to closure. It offer the broadest array of thermal remediation technologies in the industry, allowing them to tailor project designs to specific site conditions, using the optimal combination of methods, without bias towards any single technology or approach. The company was founded by Ralph S. Baker and John M. Bierschenk in 2000 and is headquartered in Gardner, MA.