"AA Steel Fabrication - High-Quality Steel and Stainless Steel Manufacturer Sydney AA Steel Fabrication Pty Ltd is an Australian family-owned business has been offering its high standard steel fabrication services over the years. We are the leaders when it comes to supplying and installing structural steel, gates, fences, Mezzanine floors and much more fabrication products. We cover the entire Sydney region along with several popular Suburbs of Metropolitan city Melbourne.