Promoted

• Roc Energy, Inc.
  Midland, TX 79705
• Rocker A Operating Company
  Post, TX 79356
• Rogers & Clark Exploration
  Midland, TX 79701
• S.K. Rogers Oil, Inc.
  Levelland, TX 79336
• Rosehill Operating Company, LLC
• Royal American Oil & Gas
  Post, TX 79356
• Rozzlle Operating Company, LLC
  Blackwell, TX 79506
• RR Oil & Gas, LLC
  Big Spring, TX 79720
• Rubicon Oil & Gas, LLC
  Midland, TX 79701
• Runyan Oil Company
  Midland, TX 79705
• L.J. Russell Oil Company
  Snyder, TX 79549
• Russell Operating Company, LLC
  Big Lake, TX 76932
• Ruwco Oil & Gas Corporation
  Austin, TX 78701
• RVS Oil Company
  Grandfalls, TX 79742
• RW Operating Corp.
  Midland, TX 79702
• Saber Oil & Gas Ventures, LLC
  Midland, TX 79701
• Saga Petroleum Corp.
  Midland, TX 79705
• Sahara Operating Co.
  Midland, TX 79701
• Salida Exploration, LLC
  Abilene, TX 79603
• San Saba Royalty Company, LLC
  Dallas, TX 75207
• Satanta Oil Co.
  Midland, TX 79701
• Savior Oil Company
  Iraan, TX 79744
• L.E. Sawyer, Jr. Oil & Gas Properties
  Midland, TX 79702
• Saxet Oil Corporation
  Midland, TX 79702
• Schkade Exploration, LLC
  San Angelo, TX 76901
• Schlumberger
  Midland, TX 79706
• Schneider Oil and Gas
  Iraan, TX 79744
• Scott Oils, Inc.
  Abilene, TX 79602
• Scythian, Ltd.
  Midland, TX 79701
• SDX Resources, Inc.
  Midland, TX 79701