| No | Project | Client | Year |
| 1 | Program Pencegahan Pencemaran & Pembersihan Sg. Langat | DOE, a collaboration with Unit Perundingan Universiti Malaya | 2002 |
| 2 | Integrated River Basin Management (IRBM) for Sg Selangor, Proposed Storm water Management and Upgrading Imhoff Tank at Rawang, Selangor (Demo Project). | Collaboration with (Lembaga Urus Air Selangor) LUAS-UPM-PMT | 2004 |
| 3 | Integrated River Basin Management (IRBM) for Sg Selangor Water Quality Study | Collaboration with (Unit Perunding Universiti Malaya) UPUM-PMT | 2005 |
| 4 | Projek Kajian Pencegahan Pencemaran dan Peningkatan Kualiti Air Sg. Sepetang | Collaboration with UPUM | 2006 |
| 5 | Sewerage Catchment Strategy Study for Upper Langat River Basin (46,765.84 hectare) | Department of Sewerage Services | 2006 |
| 6 | Sewerage Catchment Strategy Study for District of Klang | Department of Sewerage Services | 2006 |
| 7 | Design for Leachate Treatment Plant at Shah Alam Transfer Station | 2006 |
