Australian MadeBy: Sloanebuilt Trailers Sloanebuilt is proud to be Australian. Australian designed, Australian made, Australian supported. Investing in a Sloanebuilt means investing in a product that is designed, manufactured and supported not only by us but by like-minded suppliers that understand what it means to focus on the needs of Australians, and with a parallel desire to meet standards and exceed expectations. Australian made means supporting employees, businesses and communities right across the country throughout the supply chain. Australian made is simply better, and that is Sloanebuilt.