Sinopec International Petroleum Service Corporation

PTT Public Co., Ltd.

PTT Global Chemical PCL.

Fuel Pipeline Transportation Limited

BAFS Fuel Pipeline Transportation

Sino-Thai Engineering and Construction PCL.

Triton Engineering and Construction PCL.

China Petroleum Pipeline Bureau Thailand

Royal Irrigation Department

Pipeline Crossing Engineering Company Limited

Trans Thai Railway Co., Ltd.

YJ Service and Supply Co., Ltd.

The Transportation Company Limited