1. Oregon Backflow Testing 212 SE 3rd St, Troutdale, OR 97060 Coordinate: 45.53915,-122.38674 Phone: (503) 491-9402
2. Mitchells's Plumbing 1615 SW Clara St, Troutdale, OR 97060 Coordinate: 45.52965,-122.39205 Phone: (503) 669-2171