1. Working Concepts, Inc. PO Box 311, Gresham, OR 97030 Coordinate: 45.500137,-122.4302 Phone: (503) 663-3374
2. NW Slip Guard 34835 SE Carpenter Ln, Gresham, OR 97080 Coordinate: 45.46744,-122.30411 Phone: (503) 663-5423