Colin Stuart Sangster

Macao Water Supply Co., Ltd. supplies water. It supplies customers for water from the West River's Modaomen Channel in Zhuhai City. The company uses a system of holding tanks and purification stations. The company was founded in 1932 and is headquartered in Macao, China.

Part of United Development Co., Qatar District Cooling Co. is a district cooling company based in Doha, Qatar. Qatar District Cooling was incorporated as a Qatari private shareholding company in November 2003. The company's founding shareholders are the United Development Company PSC (UDC) and other local prominent shareholders. Qatar District Cooling is the leading district cooling company in Qatar and has aimed for operational excellence since its inception. The company has developed solid technical and operational experience and has refined its approach on both business-to-business (B2B) and business-to-consumer (B2C) fronts over the past 18 years. The company was founded in 2003. The CEO is Yasser Al-Jaidah.