- Accepta
- Albemarle Corporation
- Buckman
- BWA Water Additives
- Chemtex Speciality Limited
- Chemtrade Logistics Inc.
- ChemTreat Inc. (Danaher)
- DuBois Chemicals
- DuPont Inc.
- Ecolab
- ICL-IP Terneuzen BV
- Veolia
- Kemira
- Kurita Water Industries Ltd
- Nouryon
- Solenis
- Suez
- Thermax Global