Tronox Limited is a global chemical company involved in the titanium products industry with approximately 3,500 employees. Following its acquisition of the mineral sands business formerly belonging to South Africa’s Exxaro Resources, Tronox is the largest fully integrated seller and marketer of titanium dioxide (Ti O2) pigment, which provides brightness to applications such as coatings, plastics and paper. Tronox also sells titanium ore – the main feedstock of titanium dioxide - and zircon directly to customers. - Source: Wikipedia