1. Barghausen Consulting Engineers Inc 18215 72nd Ave S, Kent, WA 98032 Coordinate: 47.43834,-122.24402 Phone: (425) 251-6222
2. Mcmahon Land Surveying 730 Wynwood Dr, Kent, WA 98030 Coordinate: 47.37468,-122.22648 Phone: (253) 850-9077