Professional Backflow Solutions LLC At Professional Backflow Solutions LLC, we have been testing, servicing, and distributing water treatment products for residential, commercial, and industrial areas. We take pride in many principles that define our company. These principles set us apart in the business world and allow us continued success. When you think about the immense scale of the global challenge, 1. 2 billion people, or 1 out of 5, lack access to safe drinking water; therefore, half the world’s population lacks adequate water treatment. It is incumbent upon us to help. We bring a strong sense of commitment. We have been committed to environmental awareness and protection for many years.