Andigen LC, developer of the Andigen Induced Blanket Reactor Anaerobic Digester process based in Utah, USA.

Andigen International Limited, licensee of the Andigen IBR in Australia, New Zealand, Asia, South Africa and the Middle East.

Intrepid 21 is a NASDAQ listed company specialising in the development of biofuel production projects

Manages Melbourne's water supply catchments, removes and treats most of Melbourne's sewage, and manages rivers, creeks and major drainage systems throughout the Port Phillip and Westernport region.