- Archtech Consultants Pvt. Ltd. 
 
                    - Tahal Consulting       Engineers Ltd.
 
                    - JUSCO Ltd.
 
                    - Howe       Engineering Projects (India)       Pvt. Ltd. 
 
                    - The Louis Berger       Consultants Pvt. Ltd.
 
                    - Scott Wilson       India       Pvt. Ltd.
 
                    - Eastern Railway
 
                    - ABB Limited
 
                    - Jindal Steel &       Power Limited.
 
                    - Aarvee Associates       Architects Engineers Consultants Pvt.Ltd
 
                                      | 
                  
                    - STUP Consultants Pvt.       Ltd.
 
                    - NCC Ltd.
 
                    - Bridge and Roof Co. (India)       Ltd.
 
                    - AECOM 
 
                    - Vatech Wabag
 
                    - Wartsila
 
                    - Irrigation Department, Kanpur, UP
 
                    - PWD, West Bengal
 
                    - Agri Irrigation Dept, West Bengal    
 
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