Opening hours of General Contractor in Iron Knob, South Australia Opening hours of General Contractor in Iron Knob, South Australia Home / South Australia / Iron Knob / General Contractor General Contractor Boral Asphalt Iron Knob Rd, Whyalla SA 5600, Australia, Iron Knob, South Australia 5600 +61 8 8297 7346 Categories of local businesses in Iron Knob Campground Church Establishment Fire Station General Contractor Lodging Museum Organisations & Government Park Place of Worship Post Office Tourist attraction Tourist information center Train station Travel & Accommodation Travel Agency