"The TAB side is one big legacy system with a bunch of NT boxes pretending to be a mainframe, [but] there is a project to shift that across," he said, adding Unitab is the biggest gaming machine monitoring organization, in terms of machine numbers, in the world covering about 150,000 poker machines. Green conceded most of the project is trying to avoid "unnecessary duplication" of devices and administration resources.

"We are looking at leveraging our experience running gaming systems and using it outside Queensland," Green said.