| Wietersdorfer Zement |
Austria |
| Omag |
Austria |
| Cement Hranice |
Czech Republic |
| F.l. Smidth Airtech |
Denmark |
| F.l. Smidth |
Denmark |
| Fcb. Ciment |
France |
| Cti Lafarge Coppee |
France |
| Lafarge Branche Ciment |
France |
| Kellogg Brown & Root |
Germany |
| Deuna Zement |
Germany |
| Loesche |
Germany |
| Standardkessel Lentjes |
Germany |
| Dyckerhoff Zement |
Germany |
| Schwenk Zementwerke |
Germany |
| Gyptech |
Germany |
| Heidelberger Zement |
Germany |
| Ikn |
Germany |
| Grenzebach Bsh |
Germany |
| Koch |
Germany |
| Cemag |
Germany |
| Knauf |
Germany |
| Gea Bischoff |
Germany |
| Polysius |
Germany |
| Titan Cement |
Greece |
| Ansaldo Industria |
Italy |
| Lafarge Gessi |
Italy |
| Portovesme |
Italy |
| Sacci |
Italy |
| Ind. Cementi G. Rossi |
Italy |
| Italcementi |
Italy |
| Buzzi Unicem |
Italy |
| Lafarge Adriasebina |
Italy |
| Technip Italy |
Italy |
| Tecnimont |
Italy |
| Ventomatic |
Italy |
| Danieli & C. |
Italy |
| Cifa |
Italy |
| Snamprogetti |
Italy |
| Colacem |
Italy |
| Cementir |
Italy |
| Fornaci Calce Grigolin |
Italy |
| Cementerie Aldo Barbetti |
Italy |
| Cementeria di Monselice |
Italy |
| Eni |
Italy |
| Enirisorse |
Italy |
| Cementizillo |
Italy |
| Fassa |
Italy |
| Hydro Agri Italia |
Italy |
| Enel Produzione / Enel Power |
Italy |
| Ilva |
Italy |
| Techint Italimpianti |
Italy |
| Henkel |
Italy |
| Gorca Cement |
Poland |
| Cementownia Rudniki |
Poland |
| Loesche Latinoamericana |
Spain |
| Cemex |
Spain |
| Elex |
Switzerland |
| W+E Umwelttechnik |
Switzerland |
| Von Roll |
Switzerland |
| Stag |
Switzerland |
| Holcim |
Switzerland |
| Brodtbeck |
Switzerland |
| BP Amoco |
United Kingdom |
| Ishikawajima |
United Kingdom |