> NIS a.d. Novi Sad
NIS Oil Refinery Pančevo
NIS Oil Refinery Novi Sad
NIS Naftagas - Oil Services Novi Sad
NIS Naftagas - Technical services Zrenjanin
NIS Block Research and Production (Elemir)
> HIP Azotara d.o.o. Pančevo
> HIP Petrohemija a.d. Pančevo
> MESSER TEHNOGAS a.d. Beograd
> HIPOL a.d. Odžaci
> MSK a.d. Kikinda
> JP SRBIJAGAS Novi Sad
> SIEMENS d.o.o. Beograd
> JP TRANSNAFTA Pančevo
> VIKTORIA OIL a.d. Šid
> ELIXIR ZORKA d.o.o. Šabac
> ELIXIR PRAHOVO d.o.o. Prahovo
> NAFTACHEM d.o.o. Novi Sad
> HBIS GROUP, Serbia
> RB KOLUBARA Lazarevac
> HE ĐERDAP d.o.o. Kladovo
> HEMOFARM a.d. Vršac (STADA Group)
> JP GRADAC Čačak
> SLOBODA a.d. Čačak
> PRVI PARTIZAN a.d. Užice
> IMPOL SEVAL a.d. Sevojno
> KRUŠIK a.d. Valjevo
> OPTIMA GRUPA a.d. Banja Luka
Oil Refinery Brod a.d. Brod, Republika Srpska
Oil Refinery Modriča a.d. Modriča, Republika Srpska
> JUGOPETROL a.d. Podgorica, Crna Gora
> TARA a.d. Mojkovac, Montenegro
> LUKA BAR a.d. Bar, Montenegro
> Project for the construction of the Smederevo petroleum derivatives
> Project for the construction of a petroleum products transfer station Sremski Karlovci
> Project 1 construction of Deep Processing Plant, Pančevo Oil Refinery
> Project 2 construction of Deep Processing Plant, Oil Refinery Pancevo