Welcome to Spiral Drillers Civil, New Zealand Spiral Drillers Civil are well established and respected piling contractors in the foundation construction of cast in situ reinforced concrete and timber piles, driven piles, underpinning, sheetpiles and screwpiles. Although working mostly in Auckland and Waikato, we will travel to anywhere in NZ for your residential or commercial project. Spiral Drillers' aim is to be the best piling company in New Zealand, with quality standards exceeding all competition while still maintaining a cost effective solution for our residential and commercial clients. Working with the council and engineers to solve problems instead of creating them, and keeping documentation of all works done for easing through the consenting process.