GPS, which started with one rig and three employees, has grown to more than 600 employees working for Aera Energy, Berry Petroluem, E&B Natural Resources, Sentinel Peak Resources, Crimson, Phillips 66, California Resource Company and many other independents around the valley.
GPS, which started with one rig and three employees, has grown to more than 600 employees working for Aera Energy, Berry Petroluem, E&B Natural Resources, Sentinel Peak Resources, Crimson, Phillips 66, California Resource Company and many other independents around the valley.