1. Sui Southern Gas Co. Ltd.
2. Sui Northern Gas Pipeline Ltd.
3. Pakistan Petroleum Ltd.
4. P.I.A
5. Water and Power Development Authority.
6. Karachi Electric Supply Corp.
7. Pakistan Oil Fields.
8. National Refinery Ltd.
9. Pakistan Refinery Ltd.
10. Attock Refinery Ltd.
11. Pak-Arab Refinery Ltd.
12. Pak-American Fertilizers Ltd.
13. Pak-Saudi Fertilizer Ltd.
14. Pak-Arab Fertilizers Ltd.
15. Fauji Fertilizer Company Ltd.
16. FFC-Jordan Fertilizers Ltd.
17. Engro Chemicals Pakistan.
18. Dawood Hercules Chemicals Ltd.
19. Hub Power Ltd.
20. Kot Addu Power Ltd.