| 1 | | 525 8th Ave SW Suite 2500 | Calgary |  CA | | Oil & Gas | 1-403-538-8500 |
| 2 | | 26/1, Sofiyskaya Embankment | Moscow |  RU | | Oil & Gas | 7-499-517-88-99 |
| 3 | | Lilleakerveien 4C | Oslo |  NO | | Oil & Gas | 47-67-52-64-00 |
| 4 | | 370 ₣ 1/64 5/16 17th Street Suite 1700 | Denver |  US | | Oil & Gas | 1-403-645-2000 |
| 5 | | 600 North Dairy Ashford | Houston | US | | Oil & Gas | 1-281-293-6600 |
| 6 | | 400 - 3rd Avenue Southwest Suite 4600 | Calgary | CA | | Oil & Gas | 1-403-262-1020 |
| 7 | | 5190 Neil Road Suite 430 | Reno | US | | Oil & Gas | 1-213-985-3136 |
| 8 | | 595 Howe Street Suite 303 | Vancouver | CA | | Oil & Gas | 1-604-718-2800 |
| 9 | | Tower II Jeevan Bharati Bldg 124 Indira Chowk | New Delhi |  IN | | Oil & Gas | 91-11-2331-0156 |
| 10 | | 2330 North Loop 1604 West | San Antonio | US | | Oil & Gas | 1-210-918-2000 |
| 11 | | 1400, 250 2nd Street Southwest | Calgary | CA | | Oil & Gas | 1-403-543-4466 |
| 12 | | Stefan Karadzha Street 12 | Sofia |  BG | | Oil & Gas | 359-2-980-16-11 |
| 13 | | 5914 West Courtyard Drive Suite 100 | Austin | US | | Oil & Gas | 1-512-220-1235 |
| 14 | | Block 10 Jalan Taman Raja PO Box 1134 Sarawak | N/A |  MY | | Oil & Gas | 60-8-542-0185 |
| 15 | | 120-10 Research Dr | Regina | CA | | Oil & Gas | 1-306-359-3444 |
| 16 | | Level 30-33 Menara 1 Petronas Twin Tower | Kuala Lumpur | MY | | Oil & Gas | 60-3-2051-5000 |
| 17 | | 333 Clay Street Suite 1600 | Houston | US | | Oil & Gas | 1-713-646-4160 |
| 18 | | Level 2 50 Kings Park Road West | Perth |  AU | | Oil & Gas | 61-8-9485-3200 |
| 19 | | 23 Lower Belgrave Street | London |  GB | | Oil & Gas | 44-20-7730-1111 |
| 20 | | Marata 26 | Murmansk | RU | | Oil & Gas | 8-8152-487-000 |
