1. Continental Drilling US
17692 Cowan, Irvine, CA 92614
Coordinate: 33.69403,-117.85785
Phone: (949) 756-2073
2. Drilco
47 Tesla, Irvine, CA 92618
Coordinate: 33.63315,-117.73885
Phone: (949) 502-6555
3. Geoboden Inc
5 Hodgenville, Irvine, CA 92620
Coordinate: 33.71058,-117.77449
Phone: (949) 872-9565