Mark Miller is a Registered and Certified Cross Connection (water backflow) device inspector.  Mark Miller Backflow was founded 23 years ago. After working in the industry for 15 years Mark spent some time planning and constructing his own business model. He was so enthralled with the process, the end result was he open his own Backflow testing and water backflow repair business. Since then Mark has provided 500+ Indy Area and national companies with his services . He focuses on service and price containment. His customers include government, national department stores, local businesses, medical businesses , Plants/Industrial and residential home owners.
​Aquabackflow/citizens -BSI  letters are sent out now Call Us!
Indiana Home owners with water irrigation systems should schedule their yearly backflow test with Mark Miller Backflow. He will come out and test backflow and send the report to water company for you! Easy scheduling, no worries so you can enjoy spring and summer time with family and friends.  We sent reports to BSI,Trackmy backflow

Mark Miller is licensed and bonded state the of Indiana.
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Backflow testing and repair
Indiana's finest using latest technology
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