1. Sierra Geotechnical Services
7040 Avenida Encinas Ste 10, Carlsbad, CA 92011
Coordinate: 33.10178,-117.31268
Phone: (760) 937-4608
2. GeoSoils, Inc.
5741 Palmer Way Ste D, Carlsbad, CA 92010
Coordinate: 33.13773,-117.27267
Phone: (760) 438-3155
3. Helenschmidt Geotechnical Inc
5245 Avenida Encinas, Carlsbad, CA 92008
Coordinate: 33.12962,-117.32714
Phone: (760) 579-0333