1. Land Surveyors Assoc of Wa 401 Olympia Ave NE, Renton, WA 98056 Coordinate: 47.4892,-122.17228 Phone: (425) 264-5213
2. Hansen Surveying 17420 116th Ave SE, Renton, WA 98058 Coordinate: 47.44645,-122.18574 Phone: (425) 235-8440