Call anytime! 7 Days a Week! We pump tanks through the manhole, not the inspection pipe. The first time and every time! A1 Precision Pumping is a company dedicated to providing quality and environmentally safe services. We work to build a personal, yet professional relationship with all of our customers. A1 Precision Pumping is happy to be of service to the homeowners of the Houston, Winona and Filmore Counties of Minnesota. -Chase Munson, Owner/Manager