Na čelu konzorcija Nabucco je OMV, austrijska naftna i gasna firma, skupa s četiri nacionalne energetske korporacije -- turskim Botasom, bugarskim Bulgargazom, rumunskim Transgazom i mađarskim MOL-om, uz njemačku energetsku grupaciju RWE.
The Nabucco consortium is headed by OMV, the Austrian oil and gas firm, together with four national energy corporations -- Botas of Turkey, Bulgargaz of Bulgaria, Transgaz of Romania, and MOL of Hungary, plus RWE, the German energy group.