Take Highway 518 eastbound past Sea-Tac Airport. Take the exit at 51st Ave So. and turn right on to Klickitat Dr. Proceed to Southcenter Parkway and turn right. Go one block south to Strander Boulevard and turn left. Proceed to Andover Park West. One long block. Turn right and go 3/4 mile south to Midland Drive. Turn right and go one block west to building C. Turn left in front of building C and we are the second office on the right.