Field technicians in Oil and Gas Utilities around the world (ENEL, Endesa, Camuzzi, ADWEA, ...) are using GIS and Augmented Reality functionalities fully integrated. Main features are: dispatching of work order, field technicians agenda, satellite navigation, measurements, technical schemes and manuals, multimedia attachments, assets visualization in augmented reality, redlining of the GIS information, and accounting. This solution is working on line and off line. It is also used on consumer devices such as iPad