Canadian Nexen Petroleum Yemen

Masila Block (14)

Safer Exploration And Production Operations Company

Marib Block (18)

Total Yemen

East Shabwa Block (18)

 DOVE Energy Limited

East Saar Block (53)

Jannah Hunt Oil Company

Jannah Hunt Block (5)

DNO E&P Yemen

Howarime Block (32), (43), S.Hwarim Block

Yemen Investment Company (YICOM)

Jannah Block (5), Ayad Block (4)

 Vintage Petroleum Yemen

Damis  Block (S1)

OMV

Al-Uqlah  Block (S2)

Mayfair Petroleum Corp. Yemen

AL Zaydiah Block (22)

 Gallo Oil Yemen Inc.

AL  Armah Block (13), East AL Mabar Block (R2)

Clvalley petroleum (Cyprus) Ltd.

Malik  Block (9)

MOL Yemen

North MUKALLA  Block (48), E. South  AL MABER  Block (49)

OGMC

Weast Mukalla  Block (41), Hood  Block (47)

Oil Search Middle East Limited

Mukalla  Block (15), Hood Block (35)

Petronas Cari Gail Overseas

Sarr Block (52)

CCC for Oil & Gas

AL Furt  Block (33), South AL Furt Block (45)

Jiangsu Oil Exploration Corporation (JOECO)

Amakeen Block (1)

Occidental Petroleum Yemen (OXY)

AL Sabatain Block (20)

KNOC (Korea National Oil Corporation)

Ataq Block (70)

 SIPC E&P YEMEN

Sinopec Int. Petroleum Exploration and Production Corporation

Mashaf Block (69), Al Qarm Block (71)