| K & E Petroleum Inc. K. E. Resources Ltd. Kansas Gas Supply Corp. Kappa Resources Colombia Ltd. Kavanaugh Energy Services Inc. KCS Energy Co. KDA Resources Kelley Oil & Gas Corp. Kerr-McGee Corp. Kestrel Energy Keystone Oil & Gas Inc. Khanty Mansiysk Oil Corp. King Ranch Energy Inc. Kinne Exploration Inc. Klabzuba Oil & Gas Inc. Koch Industries Inc. Kor-Tash LLC. Kosmos Energy LLC. Kraker Petroleum Corp. Kuait Energy Co. Kuwait Foreign Petroleum Exploration |
K N Production Co. Kainaiwa Resources Inc. Kansas Oil & Gas Corp. Karakudukmunay (KKM) KC Resources Inc. KCS Medallion Resources Keating Energy Kerogen Resources Inc. Kerrco Ltd. Key Production Co. Inc. Khalda Petroleum Co. Kinder Morgan Kingwood Resources Inc. Kinney Oil Co. KN Energy Inc. Kodeco Energy Co. Ltd. Korea National Oil Corp. KP Exploration Inc. Krusen-Thompson Interests Kutak Rock LLP. Kuwait Oil Co. |