Since its establishment, Gramper focused its business on a cooperation with Elektroprivreda Srbije and all its production, transmission and distribution systems.
The largest portion of equipment deliveries has been accomplished with EPS distributions and former distribution centers: Elektrosrbija – Kraljevo, Centar – Kragujevac, Elektrovojvodina – Novi Sad, Jugoistok -Niš, Elektrodistribucija Belgrade.