
1) Corporate spin-off
Found on
https://www.crosswordclues.com/clue/tronox

Tronox Limited ({NYSE|TROX}) is an American worldwide 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)...
Found on
http://en.wikipedia.org/wiki/Tronox
No exact match found.