Hartman Engineering and Construction Inc. has extensive Dairy and Anaerobic Digester knowledge and experience. The team has been designing and constructing digesters throughout the US and has over 100 projects in the ground and more than 50 in the design and development phases.

Sustaining Resources Naturally is our mission, and helping farmers is our passion. Our team comprises folks who grew up on farms and dairies and whose families still do so today. More >>