As they moved from digging basements to installing septic systems, the team at J.L. Schmitz and Sons brought along some technology from the old job to do better at the new one. It’s nothing fancy, but a small adaptation of a gravel conveyor means less work and better results for Pete and Al Schmitz and their customers around their home base of Monticello, Minn., just northwest of Minneapolis.Founded in 1975 by John L. Schmitz and his sons Pete and Al, the business started in excavating, farm drainage and irrigation installation. They soon added farm liquid waste handling to their services.







