1. Derouin Concrete 15000 Stevens Rd SE, Olalla, WA 98359 Coordinate: 47.41669,-122.61437 Phone: (253) 677-1776
2. Randel Construction 4677 SE Stonehill Ln, Olalla, WA 98359 Coordinate: 47.44026,-122.59104 Phone: (253) 590-4333