Silox India Private Limited (SIPL), as per its credit rating report, is a joint venture between Silox S.A., Transpek Industry Ltd, and Excel Industries Ltd. SIPL manufactures sulphoxylates and zinc-based products such as sodium hydro sulphite, sodium formaldehyde sulphoxylate (safolite), zinc formaldehyde sulphoxylate (safolin), zinc dust, zinc oxide, and various zinc derivatives. The company was incorporated in 1996 and has its registered office located in Vadodara, Gujarat.