1. Geotrace Technologies; 12141 Wickchester Lane, Suite 200 Houston TX 77079
2. AYASDI; 4400 Bohannon Dr., Suite 200, Menlo Park CA 94025
3. Lawrence Berkeley National Laboratory; 1 Cyclotron Road Berkeley CA 94720
4. ION Geophysical; 2105 CityWest Blvd., Suite 900 Houston TX 77042