1. 3M Company
2. Agilent Technologies Inc.
3. Ahlstrom-Munksj?
4. Aquaporin A/S
5. Avantor Inc.
6. Cole-parmer Instrument Company
LLC
7. Danaher Corporation
8. GE Healthcare
9. Gea Group Aktiengesellschaft
10. GVS S.p.A.
11. Koch Membrane Systems Inc.
12. MACHEREY-NAGEL GmbH & Co. KG
13. MANN+HUMMEL
14. Merck KGaA
15. Sartorius AG
16. Sterlitech Corporation
17. Thermo Fisher Scientific Inc.