RTS Instruments is an experienced company based in Rome, Italy, that provides radiation measuring equipment and radiological monitoring systems to nuclear, research and environmental customers worldwide. The main customer groups include nuclear power plants and facilities, research centres, civil defence, health and environmental institutions. RTS equipment has been supplied all over the world, including Europe (plants, facilities and territories also within BERD, TACIS and PHARE programs), USA, Asia, North Africa and Middle East, with satisfied customers and repetitive business indicative of field-proven, advanced, and reliable technology. Large projects are implemented with qualified partners (including General Atomics ESI and Hi-Q in USA, Ansaldo Nucleare, UIT, VF, West Systems in Europe). It is important to mention the long-time partnerships with ENEA (also related to four common patents) and with the Italian Universities. Radiation Monitoring is a very important subject from the environmental as well as from the safety and security points of view, involving new demanding challenges for everyone in this field. RTS is well placed to meet these challenges: comprehensive product lines, modern products, innovative R&D operations, increasing worldwide marketing and customer support, are some of the company key factors.