| Materie prime Raw materials |
 |
| BAYER INTERNATIONAL SA, BAYSYSTEMS DIVERSIFIED IND | - FRIBOURG | |
| BIMA MASCHINENFABRIK GEBR. BIEDERMANN GMBH & CO. | - HECHINGEN-STETTEN | |
| C.O.I.M. SPA | - SETTIMO MILANESE | |
| ELACHEM SRL | - VIGEVANO | |
| ELASTOGRAN GMBH | - LEMFÖRDE | |
| ELASTOGRAN ITALIA SPA | - VILLANOVA D'ASTI | |
| ESSEBI SRL | - VIGEVANO | |
| FINPROJECT SPA - DIV. COMPOUNDS | - ASCOLI PICENO | |
| HUNTSMAN | - EVERBERG | |
| KECK CHEMIE GMBH | - PIRMASENS | |
| MARBO ITALIA SPA | - POGLIANO MILANESE | |
| RIKA CHEMIE GMBH | - MÜNCHWEILER | |
| SCHOMBURG & GRAF GMBH & CO. KG | - WUPPERTAL | |
| TUBOFIL SNC | - CASTIGLIONE DELLE STIVIERE |