| Aerzen | Alcatel Vacuum Technology | Becker |
| Busch | Durr Technik | Edwards |
| Elmo Rietschle | Friatec | Gardner Denver |
| Gast Group | Gast/JunAir | KNF Neuberger |
| Kurt J. Lesker | Nitto Kohki | Oerlikon Leybold |
| Pfeiffer | Pneumofore | Sterling Sihi |
| Telstar | Travaini | Tuthill |
| Ulvac | Varian | Vuototecnica |
| Wittig |