Welcome to Dorris Plumbling and Mechanical, Incorporated Please take time to look around our new website and see our plumbing services and other specialties. We offer complete plumbing repairs, old and new. No job is too small or too large for us. We can install or repair your septic system and will clean and pump all types of tanks. We also have a Rent-a-John that we can rent on a daily, weekly or monthly basis for construction sites, recreational events, or family reunions.. Radio Dispatched Trucks