Oil Gas Mineral Production/Exp Srv - (OGS)

Organization Date of Certification 1 Cat Tech Inc 04/04/2005 04:32:52 PM 2 CGGVeritas Services Holding (U.S.) Inc. 10/15/2002 03:06:14 PM 3 Core Laboratories LP 09/20/2002 06:47:37 PM 4 National Grid US and all of its Subsidiaries 04/03/2009 03:52:06 PM 5 Qittitut Consulting LLC 10/10/2007 09:58:51 AM 6 Smith International, Inc. 03/27/2008 02:58:50 PM 7 TransAtlantic Petroleum Corp. 07/15/2009 12:24:42 PM Previous More