NCP Chlorchem Chlor - Alkali Holdings NCP Chlorchem is a leading manufacturer of chlorine, caustic soda and chlor alkali derivatives. Our company's major markets are the local plastics, pulp and paper and mining sectors and the potable and effluent water treatment industries. In addition, our business sells its chemicals and services to a diverse range of overseas markets. As a chemical producer we are dedicated to being the market leader in providing quality products and services, which meet or exceed the expectations of our customers. Our company's head office and main plant is situated in Chloorkop, Kempton Park with a site at Cato Ridge, KwaZulu Natal. A depot at Atlantis in the Western Cape.