List of Participants

PREMIER PRODUCTS PUBLIC CO., LTD.

PSV CREATION CO., LTD.

QUALITAT (THAILAND) CO., LTD.

RICH THAI INTERNATIONAL CO., LTD.

RIGHT REACTIVATION PUBLIC COMPANY LIMITED

ROJANAPAT ENGINEERING CO., LTD.

SANG CHAI METER CO., LTD.

SENTINEL SOLUTION (THAILAND) CO., LTD.

SIAM ENVIRONMENTAL TECHNOLOGIES PUBLIC COMPANY LIMITED

SIAMPATTANAPONG CO., LTD.

THAI BENKAN CO., LTD.

THAI HYDROLOGIST ASSOCIATION (THAI HYDRA)

THAI WATER WORKS ASSOCIATION (TWWA)

THAMMASORN CO., LTD.

THE CONSULTING ENGINEERS ASSOCIATION OF THAILAND (CEAT)

TOHEI HYGENTE TRADING (THAILAND) CO., LTD.

TOYOBO (THAILAND) CO., LTD.

TREE YOKO PART., LTD.

VEGA INSTRUMENTS CO., LTD.

WATER AND ENVIRONMENT INSTITUTE FOR SUSTAINABILITY (WEIS)

BUENO TECHNOLOGY CO., LTD.

GLOBAL WATER SOLUTIONS LTD

INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (ITRI)

JUMPANNY ENTERPRISE CO., LTD.

KEMFLO INTERNATIONAL CO., LTD.