Urban Development Authority
Road Development Authority
Ministry of Sports
Airport & Aviation (Sri-Lanka) Ltd
Fairway Holdings
Ceylon Electricity Board
Citrus
ZTE
Siemens AG (Austria)
ABB AG (Germany)
SLT Mobitel
Barista
Colombo Land & Development PLC
Crystal Martin Ceylon (Pvt) Ltd
George Steuart Teas (Pvt) Ltd