Mainteck Offers People Experience & Innovation and Safely On Time. Specialise in site construction, demolition, fabrication, machining & maintenance.. Product: Beams, Builders Steel, Columns, Containers, Cylinders, Gates, Grilles, Railing, Step Stringers, T Bars. Service: Customising, Cutting, Fabrication, Pressing, Welding. Specialty: High Strength Steel. Material: Aluminium, Galvanised, Iron, Sheet Metal, Wrought Iron. Type: Architectural, Commercial, Industrial, Residential. Payment Concern: Government Contracts. Payment Method: Cash, Cheques. Assurance: Accredited. Ownership: Australian Owned