| Rabigh Refining & Petrochemical Company SJSC | Saudi Arabia |
Public
|
| Radius Gold Inc. | Canada |
Public
|
| Rafinerija Nafte a.d. | Bosnia & Herzegovina |
Public
|
| Rafo SA | Romania |
Public
|
| Raimount Energy Inc. | Canada |
Public
|
| RAK Petroleum PLC | United Kingdom |
Public
|
| Rak Unity Petroleum Company PLC | Nigeria |
Public
|
| Range Resources Corporation | United States |
Public
|
| Ranger Energy Services Inc | United States |
Public
|
| Ranger Oil Corp | United States |
Public
|
| Rawson Oil and Gas Ltd | Australia |
Public
|
| Real Energy Corporation Limited | Australia |
Public
|
| Recon Technology, Ltd | China |
Public
|
| RECONNAISSANCE ENERGY AFRICA LTD | Canada |
Public
|
| Red Mountain Resources, Inc. | United States |
Public
|
| Red Sky Energy Limited | Australia |
Public
|
| RedWater Energy Corp. | Canada |
Public
|
| REFINARIA DE PETROLEOS DE MANGUINHOS SA | Brazil |
Public
|
| Refineria La Pampilla SAA Relapasa | Peru |
Public
|
| Reflectkote, Inc. | United States |
Public
|
| Regency Energy Partners LP | United States |
Public
|
| REGENX TECH CORP | Canada |
Public
|
| Reliance Industries Limited | India |
Public
|
| ReoStar Energy Corporation | United States |
Public
|
| Repsol Oil & Gas Canada Inc. | Canada |
Public
|
| Repsol S.A. | Spain |
Public
|
| Research Frontiers Inc. | United States |
Public
|
| Resolute Energy Partners, LP | United States |
Public
|
| Rex Energy Corporation | United States |
Public
|
| RH PetroGas Limited | Singapore |
Public
|
| RHINO BIOTECH LTD | Anguilla |
Public
|
| Rice Energy Inc. | United States |
Public
|
| RICHLAND RESOURCES INTERNATIONAL GROUP INC | United States |
Public
|
| Riley Exploration Permian, Inc. | United States |
Public
|
| Ring Energy, Inc. | United States |
Public
|
| Rio Bravo Oil, Inc. | United States |
Public
|
| RN Holding OAO | Russia |
Public
|
| Rochester Resources Ltd | Canada |
Public
|
| Rockhopper Exploration PLC | United Kingdom |
Public
|
| Rocky Mountain Minerals, Inc. | United States |
Public
|
| Rodinia Oil Corp | Canada |
Public
|
| Romana Food Brands Corp. | Canada |
Public
|
| Rooster Energy Ltd | United States |
Public
|
| Rose Rock Midstream L.P. | United States |
Public
|
| Rosneft Oil Company OJSC | Russia |
Public
|
| Royal Energy Resources, Inc. | United States |
Public
|
| Royale Energy Funds, Inc | United States |
Public
|
| Royalite Petroleum Company Inc | United States |
Public
|
| RPCG Public Company Limited | Thailand |
Public
|
| RSP Permian, Inc. | United States |
Public
|
| RTS Oil Holdings, Inc. | United States |
Public
|
| RUBELLITE ENERGY INC | Canada |
Public
|
| Rubis SCA | France |
Public
|
| RussNeft PJSC | Russia |
Public
|
| S-Oil Corp | South Korea |
Public
|
| S.C. Rompetrol Rafinare S.A. | Romania |
Public
|
| S.C. Rompetrol Well Services S.A. | Romania |
Public
|
| S.D. Standard ETC PLC | Cyprus |
Public
|
| SAAG Consolidated (M) Bhd | Malaysia |
Public
|
| Sable Natural Resources Corporation | United States |
Public
|
| Sacgasco Limited | Australia |
Public
|
| Saddle Ranch Media, Inc. | United States |
Public
|
| Sagres Energy Inc. | Canada |
Public
|
| Saigon Fuel Company | Vietnam |
Public
|
| Sakol Energy PCL | Thailand |
Public
|
| Samchully Company, Ltd. | South Korea |
Public
|
| Samson Oil & Gas Limited | Australia |
Public
|
| San Leon Energy PLC | Republic of Ireland |
Public
|
| San-Ai Oil Co., Ltd. | Japan |
Public
|
| SandRidge Energy Inc. | United States |
Public
|
| Sanrin Co., Ltd. | Japan |
Public
|
| Santa Fe Petroleum, Inc. | United States |
Public
|
| Santos Ltd. | Australia |
Public
|
| Sapura Energy Berhad | Malaysia |
Public
|
| Saras S.p.A | Italy |
Public
|
| Saratovneftegaz OAO | Russia |
Public
|
| Saratovnefteprodukt | Russia |
Public
|
| Sasol Ltd. | South Africa |
Public
|
| Saudi Arabian Oil Company | Saudi Arabia |
Public
|
| Saudi Arabian Refineries Company SJSC | Saudi Arabia |
Public
|
| Saudi Basic Industries Corporation SJSC | Saudi Arabia |
Public
|
| Savanna Energy Services Corp. | Canada |
Public
|
| Savita Oil Technologies Limited | India |
Public
|
| Schlumberger Limited | United States |
Public
|
| Scirocco Energy Plc | United Kingdom |
Public
|
| Scomi Energy Services Bhd | Malaysia |
Public
|
| Scomi Engineering Bhd | Malaysia |
Public
|
| SCRYB INC | Canada |
Public
|
| SeaBird Exploration PLC | Cyprus |
Public
|
| SeaDragon Limited | New Zealand |
Public
|
| Seafront Resources Corporation | Philippines |
Public
|
| Seahawk Drilling, Inc. | United States |
Public
|
| Seapeak LLC | Bermuda |
Public
|
| Secure Energy Services Inc | Canada |
Public
|
| Selan Exploration Technology Limited | India |
Public
|
| Selena Oil & Gas Holding AB | Sweden |
Public
|
| Semgroup Corp. | United States |
Public
|
| Sentry Petroleum Limited | United States |
Public
|
| Seobu T&D Co Ltd | South Korea |
Public
|
| Seplat Energy Plc | Nigeria |
Public
|
|
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