TISS Ltd are the World's Leading Authority on Fuel Security and Safety Devices. We are proud to have recently been awarded the Queen's Award forEnterprise in International Trade- the highest honour that can be bestowed on any UK business. TISS are renowned for the their TankSafeTM Fuel Security Device Range which consists of the TankSafeTM 'Impregnable' Fuel Security and Safety Device - the World's ONLY device to completely stop any siphoning, skimming and diesel spills. We offer over 65 different TankSafeTM models enabling fitment to all Trucks, Vans, Plant Equipment and Refrigerated Trailers, and sell in over 40 different territories through a network of distributors and OE manufacturers. Our marketleading TankSafeTM Fuel Security Devices have been supplied to over 1,500 customers worldwide. The TankSafeTM devices are also protected by 39 Patents (Granted& Pending) covering 45 territories.