- Carst & Walker - Manufacturers of rubber processing aids, rubber chemicals, anti-tack agents, factices, internal lubricants and rubber-to-metal bonding agents
www.carst.net
- Tollchem - Chemical Manufacturing unit which Formulates, Manufactures and Tests Organic Chemicals and Dyeing Auxiliaries.
www.liquidcolours.co.za/tc_main.htm
- Zincor - An Electrolytic Zinc Plant producing Zinc Metal.
www.zincor.co.za
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