products seismic recorders vibrators and spare parts geophones and testers cables and connectors heavy duty tires equipment leasing services consultancy technical support links downloads request information When you need heavy duty tires, look no further than xPort Group.  We specialize in floatation, logger, and sand tires for oil exploration vehicles.  We offer models from Firestone, Goodyear (Titan) and Primex. See our download page for our current catalog of popular styles and sizes. © 2010, xPort Group, Inc.  All Rights Reserved.