Quality Buildings, Quick Delivery, Competitive Prices. Buildings--Prefabricated or Transportable--Commercial & Industrial - Kwinana, WA . Brand: Australian Portable Buildings. Service: Construction, Customising, Design, Installation, Manufacturing. Product: Extensions, Kit-form Buildings, Sheds. Material: Concrete, Steel. Use: Cabins, Carports, Classrooms, Garages, Messes, Offices, Stages. Component: Kitchens, Patios, Verandahs