1. Aircel
LLC
2. Airfilter Engineering (M) Sdn. Bhd.
3. Atlas Copco Group
4. BEKO TECHNOLOGIES GMBH
5. BOGE KOMPRESSOREN Otto Boge GmbH & Co. KG
6. Brehob Corporation
7. Compressed Air Parts Company
LLC
8. Donaldson Company Inc.
9. Gem Equipments Private Limited
10. Ingersoll Rand Group
11. KAESER Kompressoren SE
12. MANN+HUMMEL International GmbH & Co. KG
13. METRO Engineering Equipments Company
14. Pentair PLC
15. Precision Filtration Products
16. Quincy Compressor LLC
17. Saylor-Beall Manufacturing Company
18. SPX FLOW Inc.
19. Trident Pneumatics PVT LTD
20. Werther International Inc.