| ESSO ITALIANA S.R.L. | SV | 00473410587 | 9.658.100 | -65.312 |
| SARAS S.P.A. O IN FORMA ESTESA SARAS S.P.A. - RAFFINERIE SARDE | CA | 00136440922 | 9.614.379 | -106.943 |
| ISAB S.R.L. | SR | 01629050897 | 7.660.082 | 36.224 |
| SONATRACH RAFFINERIA ITALIANA S.R.L. | MI | 10410680960 | 5.852.126 | 33.300 |
| IES ITALIANA ENERGIA E SERVIZI S.P.A. | MN | 00685490377 | 1.897.037 | 5.716 |
| SARLUX S.R.L. | CA | 02093140925 | 1.707.938 | 372.600 |
| IPLOM S.P.A. | GE | 02242120109 | 1.442.959 | 13.985 |
| RAFFINERIA DI MILAZZO S.C.P.A. | ME | 04966251003 | 830.796 | 106.217 |
| ENERGAS S.P.A | NA | 00309310605 | 677.226 | 37.272 |
| AGN ENERGIA S.P.A. | TO | 02614910103 | 636.216 | 62.644 |
| LIQUIGAS S.P.A. | BS | 01993160173 | 552.901 | 69.792 |
| PETRONAS LUBRICANTS ITALY S.P.A. | TO | 05082750968 | 423.851 | 23.592 |
| API RAFFINERIA DI ANCONA S.P.A. | AN | 01837990587 | 256.226 | 44.169 |
| GOLDENGAS S.P.A. | AN | 00080300429 | 194.256 | 11.481 |
| ITALIANA COKE S.R.L. | GE | 01741840993 | 190.491 | -1.411 |
| I.SE.CO.L.D. INDUSTRIA SERVIZI COMMERCIO OLII, LIQUIDI E DERIVATI SPA | NA | 05028040631 | 170.063 | 5.917 |
| GETOIL S.R.L. | MI | 03646260962 | 157.820 | 1.324 |
| ALMA PETROLI S.P.A. | RA | 01088570393 | 157.490 | 9.304 |
| SLI S.P.A. | CR | 03408560104 | 144.711 | 6.406 |
| ITELYUM REGENERATION S.P.A. | LO | 00818740151 | 135.666 | 23.872 |
| IPEM INDUSTRIA PETROLI MERIDIONALE S.P.A. | BR | 02036760037 | 122.683 | 5.039 |
| VITALI S.P.A. BENEFIT | MI | 01948410160 | 122.594 | 35.091 |
| Q8OILS ITALIA S.R.L. | MI | 08526680155 | 113.150 | 8.692 |
| FUCHS LUBRIFICANTI S.P.A. | TO | 05179190011 | 106.695 | 8.710 |
| RA.M.OIL RAFFINERIA MERIDIONALE OLII LUBRIFICANTI | NA | 00291350635 | 76.154 | 10.102 |
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