| TSTermotim Sombor Sombor, SerbiaEnergy, Utilities & Waste Treatment | Installation services (except software) Servis Gorionika Servis Ložnih Uređaja Industrijska Termo–energetika | |
| 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 | |
| HHIP-Petrohemija Pančevo, SerbiaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Proizvodnja Petrohemijskih Proizvoda Proizvodnja Sirovina Proizvodnja Hemikalija | |
| JLjpkp lazarevac Лазаревац, SerbiaEnergy, Utilities & Waste Treatment | Other community, social and personal services Водовод И Канализација Транспорт И Одржавање Одржавање Јавних Зелених Површина | |
| SMS&R Magma Beograd, SerbiaEnergy, Utilities & Waste Treatment | Installation services (except software) Projektovanje Elektromreža Inženjering Elektromontaža | |
| GCGreen City International Belgrade, SerbiaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Oprema Za Upravljanje Otpadom Metalni Kontejneri Proizvodnja Kontejnera | |
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