- Baerlocher GmbH
- Barium & Chemicals Inc.
- BELIKE
- Corporaci?n Sierra Madre
- Dover Chemical Corporation
- Faci SPA
- Hummel Croton Inc.
- Hunan Shaoyang Tiantang Additives Chemical Co. Ltd
- Mittal Dhatu Rashayan Udyog
- Nantong Xinbang Chemical Technology Chemical Co. Ltd
- Norac Additives LLC
- Peter Greven GmbH & Co. KG
- PMC Group Inc.
- Seoul Fine Chemical
- Sun Ace Kakoh (Pte) Ltd