| 1. OCCIDENTAL PETROLEUM PAKISTAN |
| Address: 30, Street #48, Sector F/8-4, Islamabad. |
| Fax: 2824392 |
| Email: |
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| 2. OCEAN ENERGY |
| Address: 30, Street #48, Sector F/8-4, Islamabad. |
| Fax: |
| Email: oceanpc@comsats.net.pk |
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| 3. OIL & GAS DEVELOPMENT COMPANY LTD |
| Address: 5, Street #14-A, Sector F-7/2, Islamabad. |
| Fax: 9209708 |
| Email: |
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| 4. OMV |
| Address: UBL Building,10 Floor, Jinnah Avenue, Blue Area, Islamabad. |
| Fax: 2273643 |
| Email: fellner@omv.com.pk |
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| 5. ORIENT PETROLEUM |
| Address: Hayat Hall, Block #2, Diplomatic Enclave 1, G-5, Islamabad. |
| Fax: 051-2274244 |
| Email: |
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