1. Otto Rosenau & Associates, Inc.
6747 Martin Luther King Jr Way S, Seattle, WA 98118
Coordinate: 47.54124,-122.28366
Phone: (206) 557-3237
2. Mayes Testing Engineers
201 S King St, Seattle, WA 98104
Coordinate: 47.59824,-122.3315
Phone: (206) 264-8543
3. Allen Institute
2157 N Northlake Way, Seattle, WA 98103
Coordinate: 47.64824,-122.33232
Phone: (206) 548-5600