- ASTALDI SPA ITALIA SUCURSALA ROMANIA BUCURESTI
- IMPRESA PIZZAROTTI & C SPA ITALIA SUCURSALA CLUJ
- AECOM International Inc.
- TECNIC Consulting Engineering Romania S.R.L.
- SPEA ENGINEERING SA ROMA ITALIA SUCURSALA BUCURESTI
- SC SBR SOLETANCHE BACHY FUNDATII S.R.L.
- Procter & Gamble Company
- Van Oord Dredging and Marine Contractors b.v
- SOCEP S.A.
- C.N.A.I.R.
- RO-NATURSTEIN S.R.L.
- F&R WORLDWIDE S.R.L
- SEARCH CORPORATION S.R.L.
- BANEASA INVESTMENTS S.R.L.
- EXPERCO-ISPIF S.R.L.
- REAL POWER CONSTRUCT S.R.L
- FUTURE DESIGN S.R.L.
- TELECOM CONSTRUCTIONS SERVICE S.R.L.
- GARDINER & THEOBALD S.R.L.
- GEOTECHNICS A.C.E. S.R.L.
- RI INVESTMENT GROUP
- COMPLEXUL ENERGETIC TURCENI S.A.
- S.C. SAMAX S.A.
- S.C. GRUP SERVICII PETROLIERE S.A.
- S.C. ASTALROM S.A.
- ITALFERR S.P.A.
- HERCESA IMOBILIARA S.R.L
- OCTAGON ENGEENERING S.A.
- HALCROW S.A.
- S.C. DAEWOO MANGALIA HEAVY INDUSTRIES S.A.