After an investigation by the Australian Federal Police (AFP) and consumer watchdog the ACCC. It is alleged the CFMEU  (Canberra boss of the Construction, Forestry, Maritime, Mining and Energy Union)  — and ACT branch secretary Jason O’Mara tried to induce steel-fixing and scaffolding service providers into cartel arrangements or contracts.

http://www.abc.net.au/news/2018-08-16/criminal-cartel-charges-laud-against-cfmmeu-and-its-act-branch-/10128624