1. ABAC Air Compressors
2. AEG
3. AIRMAN HOKUETSU INDUSTRIES CO. LTD.
4. Anest Iwata Corporation
5. Atlas Copco AB
6. BAC Compressors
7. Bauer Compressors Inc.
8. BOGE KOMPRESSOREN Otto Boge GmbH & Co. KG
9. Campbell Hausfeld
10. Champion Compressors
11. Ciasons Industrial Inc.
12. Cummins Inc.
13. Dalgak?ran Makine San. Tic. Ve A.S
14. Danfoss A/S
15. Desran Compressor (Shanghai) Co.Ltd
16. Doosan Corporation
17. Eaton Compressor & Fabrication
18. Ebara Corporation
19. Elang compressor
20. Elgi Equipments Limited
21. FIMA s.r.l.
22. FNA S.p.A.
23. Fusheng Co. Ltd.
24. General Electric Company
25. Gulf Experts
26. Hitachi
Ltd.
27. Hubei Anyi Compressor Co. Ltd.
28. Indo-Air Compressors Pvt. Ltd.
29. Ingersoll Rand Inc.
30. Kaeser Compressors Inc.
31. Kaishan USA
32. Kobe Steel
Ltd.
33. Kyocera Corporation
34. Mattei Compressors Inc.
35. METRO Engineering Equipments Company
36. MK Engineering Services
37. Nehmeh Agencies & Trading (offshore) SAL
38. Neuros Co. Ltd
39. Oasis Manufacturing
40. Panasonic Holdings Corporation
41. Qatar Trading Company
42. Saylor-Beall Inc.
43. Shanghai Sollant Energy Saving Technology Co. Ltd.
44. Siemens AG
45. Stanley Black & Decker Inc.
46. Sulzer Ltd.
47. The Gast Manufacturing Inc.
48. Toshiba Compressor
49. Veer Engineering India LLP
50. VMAC Global Technology Inc.
51. Werther International
52. Xiamen East Asia Machinery Industrial Co. Ltd.