· Tehran Berkeley’s General Joint Ventures:
A) Foreign Companies:
1. Costain Co. (UK)
2. BASF (France)
3. Taisei (Japan)
4. Oilfields Supply Center Ltd (Dubai, UAE)
5. Ineco Limited (UK)
6. Wood Group (Scotland, UK)
7. Sandwell (Canada)
8. Apon Prosjektteknikk AS (Norway)
9. Kvaerner Process System (Norway)
10. Aker Kvaerner Field Development (Netherlands)
11. Foster Wheeler (UK)
12. Norconsult (Norway)
13. Royal Haskoning (Netherlands)
14. Crosco, Integrated Drilling & Well Services Co. Ltd (Croatia)
15. Engineers India Limited (EIL) (India)
16. Dolphin Offshore Enterprises Ltd (India)
17. Shiv-Vani (India)
18. Kalmyk (Russia)
19. Peak Group (UK)
20. Iwaco (Netherlands)
21. Hamburg Port Consulting GmbH (HPC) (Germany)
22. Heinmann Oil Technology (HOT) (Austria)
23. Sinteff (Norway)
24. Alfa Laval (Sweden)
25. MI Gulf Services LLC (UK)
26. CPTDC (China)
27. PGL (UK)
28. Worely Parsons (Austria)
29. Parsons Brinckerhoff (UK)
30. Petrom (Romania)
31. Shaw - Stone & Webster (UK)
32. NIS- Naftagas (Yugoslavia)
B) Local Companies:
1. Asfalt Tous Co.
2. Asia Abzar Daghigh Co.
3. Dastavard Co.
4. Jahan Pars Co.
5. Iranian General Construction (IGC)
6. Sadid Jahan Sanat co.
7. Pars International Pipeline Co.
8. Design & Inspection (D&I)
9. Chekad Jonoub Co.
10. Khishavand Co.
· Tehran Berkeley’s Local Subcontractors:
1. Fars Faraham Co.
2. Aroun Gostar Co.
3. Arsa International Co.
4. Nowfan Co.
5. Paya Communications Industry Co.
6. Steam Engineering & Industrial Co.
7. Kandovan Rah Construction Co.
8. Nasir Bonyad Industrial & Construction Co.
9. Tanavob Co.
10. ISCo Iran Co.
11. Ehdas Engineering & Construction Co.
12. Dastavard Co.