The Electric Power Industry of Serbia, Subsidiary Distribution System Operator EPS Distribution, Branch “ELEKTROMORAVA - SMEDEREVO”
PUC Belgrade Waterworks and Sewerage
The Electric Power Industry of Serbia Subsidiary TENT TPP "KOLUBARA"
MILITARY BUILDING INSTITUTIONS "BELGRADE"
The Electric Power Industry of Serbia, Subsidiary Open cast mine KOLUBARA, Branch "KOLUBARA - METAL"
The Electric Power Industry of Serbia, Subsidiary Distribution System Operator EPS Distribution, Branch “ELEKTRODISTRIBUCIJA SREMSKA MITROVICA”
University of Belgrade MECHANICAL FACULTY
University of Belgrade TECHNICAL - METALLURGICAL FACULTY
RADIO TELEVISION OF SERBIA
PUBLIC UTILITY COMPANY "BEOGRADSKE ELEKTRANE"
The Electric Power Industry of Serbia, Subsidiary Hydro Power Plant "DRINSKO - LIMSKE HE” HPP "BAJINA BAŠTA"
The Electric Power Industry of Serbia, Subsidiary Hydro Power Plant "DRINSKO - LIMSKE HE” HPP "ZVORNIK"
The Electric Power Industry of Serbia, Subsidiary Hydro Power Plant "DRINSKO - LIMSKE HE” HPP "ELEKTROMORAVA" ČAČAK
The Electric Power Industry of Serbia, Subsidiary Distribution System Operator EPS Distribution, Branch “ELEKTRODISTRIBUCIJA ZRENJANIN”
COCA COLA
SIEMENS
Public transport company “GSP” Belgrade
Ministry of Defense Military Medical Academy