1. Dennis Schantzen Engr
33628 SE Francis Rd, Gresham, OR 97080
Coordinate: 45.49322,-122.31701
Phone: (503) 663-6252
2. Turner Engineering and Design
500 NW 20th St, Gresham, OR 97030
Coordinate: 45.51127,-122.43683
Phone: (503) 328-6990