1. Acme Air Equipments Company Pvt. Ltd.
2. Atlas Copco AB
3. Azmec S.r.l.
4. Busch Group
5. Charam Techno Chemical & Equipments (P) Ltd.
6. Devi Hitech Engineers Pvt Ltd.
7. EMTIVAC Engineering Pty. Ltd.
8. Flowserve Corporation
9. Garuda Pumps
10. Graham Corporation
11. Guangdong Kenflo Pump Co.Ltd.
12. Ingersoll Rand Inc.
13. IVC Pumps Pvt. Ltd.
14. Kakati Karshak Industries Pvt. Ltd.
15. KSB SE & Co. KGaA
16. Marpa Vacuum S.L.
17. Pars Vacuum Industries Co.
18. Pompetravaini S.p.A.
19. Premier Fluid Systems Inc.
20. SAFEM
21. Shandong CHINCO Pumps Co. Ltd.
22. Shanghai EVP Vacuum Technology Co.Ltd.
23. Somarakis Inc. by Triosim Corporation
24. Sulzer Ltd.
25. TMVT Industries Pvt. Ltd.
26. Torr Vacuum Solution
27. TSURUMI MANUFACTURING CO. LTD.
28. VACUNAIR ENGINEERING CO. PVT. LTD.
29. VAKUO GmbH
30. Void Pump Industries
31. Zibo Vacuum Equipment Plant Co.Ltd.
32. ZM Vacuum GmbH