Wyckoff Company and Pacific Creosoting Company have been located on what Washington island?
Creosote, Bainbridge Island, Washington:  The area is directly visible from the downtown Bainbridge Island community of Winslow, and was so named because of the manufacturing and application of creosote at the now-defunct Wyckoff Company plant in the area. Pacific Creosoting Company: Pacific Creosoting Company was a company founded on Bainbridge Island that treated logs with creosote as a preservative.
Bainbridge Island