JICA PROJECT, 1997 :
Test well drilling and development for a pilot water supply system, a part of the ground water study in southern Cambodia.

OCTOBER, 1997 :
Over 200 contracts were signed for Piling work.

NOVEMBER, 1998 :
Start Mekong Bridge at Kompong Cham was started and completed in April 1999.

MAY, 2000 :
Siam Tone and Their Share is purchased by Tone Corporation, Siam Industrial Corporation and Tone Holding Co., Ltd.

JICA PROJECT 1998 :
• Water supply project in Mozambique
• Water supply project in Bolivia, Zimbabwe

JICA PROJECT 1999 :
• Asenic Investigation in Southern Thailand

JICA PROJECT 2000 :
• Asenic Investigation in 3 state at Western Bangladesh,
• Water supply project in Mali, Guinea, Papua New guinea, Bolivia and East Timor.

JICA PROJECT 2001 :
• Water supply project, Mali, Guinea, ADB project Test well construction at Lao P.D.R.

NOVEMBER 2001 :
Foundation work for Rupsa bridge Khulna, Bangladesh

JICA PROJECT 2002 :
Water supply project in Angola, Sri Lanka, Pre-Urban in Cambodia, Guinea and Madagascar

DECEMBER 2002 :
Japanese share holder Tone Corporation transfer their share of Siam Tone Co., Ltd. to Urban Tone Corporation