Advanced Disposal Veolia Continue bank withdrawals months after service stopped in spite of my numersous calls Saint Paul Minnesota

Threatened with yet another price increase, decided to join the neighborhood who had dumpped Advanced Deposal for their competitor getting a trash pickup reduction of 40% (not a promo price).  Coordinated the service switch with the two service providers.  Had set up auto-bill-pay with Advanced Disposal for the monthly billing.  Discovered they fraudulently tapped my checking account even though service was ended the prior month.  Advanced Disposal charges for services "to be rendered" like one would pay for rent.  Called and told they would correct it; three weeks and there was no refund.  Called and told they would correct it but not full refund; I said expect in full and gave them a week.  A week later, received an email notice my checking account was going to be tapped now for a second month of service after termination of services.  Called again and told they would correct it at full refund back into my account in a couple of weeks; I demanded it be done now since I am tired of all their delays and fraudulant billing practices.  I also informed them I would start filing reports of my experience on the web as well as with local enforcement authorities.  Have been finding a lot of reports of their financial abuse of both customers and their workforce even though they are active in many states in America.  Clearly, this firm is going down the drain in quality and perhaps the ability to remain in the red even though charging its clients 40-60% more than competitors.