1. Ecolab Asia Pacific Pte. Ltd.
2. Kurita Water Industries Ltd.
3. BASF East Asia Regional Headquarters Ltd.
4. Kemira (Asia) Co. Ltd.
5. Suez Environmental Technology Beijing Co Ltd
6. Solenis (Shanghai) Chemical Co. Ltd.
7. Buckman Laboratories (Asia) Pte. Ltd.
8. Veolia Water Technologies (SEA) Pte Ltd
9. Akzo Nobel (Asia) Co. Ltd.
10. Lonza Biologics Tuas Pte Ltd