| VPVodoprivreda Požarevac Požarevac, SerbiaEnergy, Utilities & Waste Treatment | Zaštita Od Poplava Uređenje Vodotoka Odbrana Od Leda | |
| ENECO NOVA doo - TEHNOLOGIJA ZA TRETMAN OTPADNIH VODA Beograd, SerbiaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Construction work Tretman Otpadnih Voda Septičke Jame Separatori Ulja | |
| TSTermotim Sombor Sombor, SerbiaEnergy, Utilities & Waste Treatment | Installation services (except software) Servis Gorionika Servis Ložnih Uređaja Industrijska Termo–energetika | |
| HKHIDROTEK KGH Beograd, SerbiaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Klimatizacija Grejanje Hlađenje | |
| EEnergoAlliance SerbiaEnergy, Utilities & Waste Treatment | | |
| EPElectric Power Industry of Serbia Beograd, SerbiaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Proizvodnja Električne Energije Snabdevanje Električnom Energijom Hidroelektrane | |
| TDTehnolink d.o.o. Generators Novi Sad Novi Sad, SerbiaEnergy, Utilities & Waste Treatment | Installation services (except software) Generatori Energetska Rešenja Prodaja | |
| RRUMEKON Ruma, SerbiaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) | |
| TETC Energy Pančevo, SerbiaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Installation services (except software) Energetska Oprema Industrijski Konektori Hidraulički Alati | |
| MTMesser Tehnogas Beograd, SerbiaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Installation services (except software) Industrijski Gasovi Tečni Gasovi Balon Gas | |