Located in Algonquin Collins Backflow traces its roots back to 1991 since then has never looked back. With thousands of successful projects under our belt, we can proudly say that we are one of the most trusted backflow companies in Illinois.

For more than 20 years, Collins Backflow has offered a wide range of services in Illinois. We strive to maintain the highest standards while exceeding client’s expectations at all levels. We not only honor commitments, but are known for meeting tough deadlines while delivering nothing but the best. We aim to create a responsive client relationship that allows us to meet and even exceed the goals of each of our projects.

  • Licensed Plumbers
  • Member of the American Backflow Prevention Association
  • Certified by the Illinois Department of Health
  • Certified by the Illinois Environmental Protection Agency

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Gunnar Collins

President