We Have The Experience And Capabilities To Deliver Your Next Infrastructure Project APG Manufacturing - produces high volume galvanized steel products for infrastructure projects and ongoing contractual work for utility companies as well as the dept of Transport and Main roads. Based in Cairns QLD and servicing clients across Australia, our Australian, family-owned business has the capabilities and experience to deliver on your next galvanized steel infrastructure project on time and on budget. APG Manufacturing operates in Cairns QLD Australia. We have over 30 employees including WTIA certified welders and various Metal Trade Professionals. APG Manufacturing operates its own fleet of trucks, including three (3) B-double tandem trailer with a 40-tonne capacity.