The Allgas Gas Network is owned by GDI (EII) Pty Ltd and extends from Brisbane, south of the river, to the northern tip of New South Wales, with separate networks in Toowoomba and Oakey. The network includes some small extensions in Northern NSW (Northern Rivers). In addition, a small pipeline (1km) services an ammonium nitrate plant at Moura, Central Queensland. In total, the network includes 3,218 kilometres of distribution mains supplying around 100,000 gas users.
APA maintains a 20% interest in GDI (EII) Pty Ltd, with equity partners Marubeni Corporation and SAS Trustee Corporation each holding a 40% interest.