Thailand Business Council for Sustainable Development : TBCSD
Global Compact Network Thailand
Esso (Thailand) Public Company Limited
Bangchak Corporation Public Company Limited
Chevron Thailand Exploration and Production, Ltd.
PTT Exploration and Production Public Company Limited
PTT Global Chemical Public Company Limited
PTT Public Company Limited
Thai Oil Public Company Limited
The Siam Cement Pcl. (Headquarter)
Siam City Cement Company Limited
Star Petroleum Refining Public Company Limited
AGC Vinythai Public Company Limited
Dow Chemical Thailand Ltd. Group
The Thai Fishmeal Producers Association
Southeast Asian Fisheries Development Center, SEAFDEC
Charoen Pokphand Group