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Trenchless Pipelaying Contractors (TPC) were formed in September 1993 in South Australia, to provide specialised services and expertise across all sectors of the underground services industry.

TPC is at the forefront of underground infrastructure development in South Australia, specialising in horizontal directional drilling (HDD) in clay and rock, civil construction, electrical and communications infrastructure, gas main installations, water and sewer installations, manhole construction, direct buried cable installations, cable hauling, service locating and potholing.