A crane and lifting equipment service company, Abacus Gantry Services, listed at 26 Hamer Street in the Auckland CBD. The company's offices are in Papatoetoe, and it was formed on the North Shore. Services include modifying and relocating existing cranes, designing and building new cranes and lifting equipment, and hydraulic, pneumatic, electrical and welding work. It covers installation, certification, maintenance and breakdown servicing for electric overhead travelling cranes, and general engineering and electrical services. The website says its staff are trade certified and welding certified, and that its hours are flexible to suit each client.