1. Earth Systems Southern California
2114 E Walnut St, Pasadena, CA 91107
Coordinate: 34.14884,-118.1064
Phone: (626) 356-0955
2. Irvine Geotechnical
145 N Sierra Madre Blvd Ste 12, Pasadena, CA 91107
Coordinate: 34.14884,-118.10136
Phone: (626) 844-6641
3. Ryland Associates
2569 E Colorado Blvd, Pasadena, CA 91107
Coordinate: 34.14642,-118.09728
Phone: (626) 792-6163