Quality Building Since 1984 On Time. On Budget. Safely. Becon Constructions (Aust) Pty Ltd (BCA) is a privately owned Commercial Construction Company based in Hallam, Victoria. Established in 1984, BCA has completed in excess of 1400 projects in a range of sectors including Retail Shopping Centres, Restaurants, Aged Care and Hospitality, Office Buildings, Fuel and Truck Stops, Multi Level Residential and Industrial and Manufacturing projects.