Tenson Engineering
- Hong Kong Drainage Department (D.S.D.)
- Hong Kong Water Supplies Department (W.S.D.)
- Hong Kong Electrical and Mechanical Services Department (E.M.S.D.)
- C.L.P. Power Hong Kong
- Hong Kong Electric Company
- The Mass Transit Railway (M.T.R.)
Tenson Water
- Hong Kong Water Supplies Department (W.S.D.)
- Hong Kong Electrical and Mechanical Services Department (E.M.S.D.)
- C.L.P. Power Hong Kong
- Hong Kong Electric Company
- The Mass Transit Railway (M.T.R.)
