Absolute Locating Services Home ›› Local Listings ›› NSW ›› Pennant Hills ›› Absolute Locating Services NSW Business Services Pennant Hills, NSW 2120 (02) 9939 6978(02) 9939 6978https://www.absolutelocating.com.au ALS offers services location, leak detection, hydro-vacuum excavation, pipe & cable location and utilities mapping services. We using ground penetrating radar to locate the conduits, support structures, fibre optic cables in non-destructive way