MWH Global, Inc.
National Power Supply PCL.
Esso (Thailand) PCL.
Nava Nakorn PCL.
Gulf Energy Development PCL.
Nawarat Patanakarn PCL.
Gulf Electric PCL.
N.C.C. Management & Development Co., Ltd.
Chevron Thailand Exploration and Production, Ltd.
CIMB-Principal Asset Management Co., Ltd.
