| SL | Department | Contact Person | Mobile | |
| 1 | LV, MV, PLC, HMI, VFD | Kamal Hossain (Sr.General Manager) | +8801711452269 | kamal@selbn.com |
| 2 | Project | Syed Akramul Haque (Munna) (Director) | +8801711452268 | munna@selbn.com |
| 3 | Project | Mostakim Billah, (Director) | +8801729261041 | mostakim@selbn.com |
| 4 | Automation and SCADA System | Ahamed Nasif Hossain Aoyon (Director) | +8801723762058 | aoyon@selbn.com |
| 5 | Home Automation, Energy Management & BBT | Abu Jafar Habibullah Chowdhury (Napil) (Director) | +8801612180000, +8801712180000 | napil@selbn.com |
| 6 | Service Center | Abdul Alim, (Asst.Manager) | +8801729267950 | alim@selbn.com |
| 7 | Pump Division | Omar faruk (Manager) Khandakar Parvez (Asst.Manager) | +8801737936507, +8801767757077 | faruk.1759@selbn.com parvezsazzad.1774@selbn.com |
| 8 | Fire Protection and Detection Systems | S A Kabir (Rony) (Deputy General Manager) | +8801708142934 | sakabir@selbn.com |