1.Ensign International Energy Services LLC

2.Abraj Energy Services LLC

3.Powertech Engineering LLC

4.MB Petroleum Services LLC

5.Medco Energi

6.CC Energy Development SAL(Oman)

7.Hill International

8.Great Wall Drilling Company

9.Daleel Petroleum LLC

10.Ray Oil & Gas Inernational LLC

11.Ray Energy

12.Europoles Middleeast

13.Dalma Energy LLC

14.Jan De Nul

15.Al Ghalbi International

16.Al Turki Enterprises

17.Target LLC

18.Dawood Contracting

19.Amran Cathodic Protection

20.Weatherford Drilling International

21.Weatherford Oil Tool Middle east

22.Oman Gas Company

23.Sohar Aluminium

24.Dohat Al Khaleej LLC

25.Middle East College

26.Oman Sail

27.Best Infra Structure

28.Best Oil & Gas Services

29.Ge Oil & Gas ESP

30.Drake & Skull

31.Baker Hughes

32.Oman DryDock Company

33.Cactus Premier Drilling Co.

34.Odin Energi