RSI is a principal manufacturer and supplier of Mobile Radiation Detectors, with over 700 operational mobile systems for Carborne, Marine, Airborne and All-terrain vehicle platforms. RSI airborne systems are currently used by the DOE AMS. Carborne systems are currently used by state and local law enforcement agencies across the United States including DOE NNSA, DOE RAP teams, CWMD MDDU trailer for emergency response, and the US EPA. RSI equipment played a major role in evaluating and measuring radiation hazard issues from the Fukushima Reactor accident. RSI is also a significant supplier of radiation portal monitoring technology and perimeter monitoring systems. Worldwide, we have installed well over 400 Radiation Portal Monitors (RPM) in the Industrial sector and are also involved in programs with National Governments to replace existing Radiation Portal Monitoring Technology. RSI's philosophy is to work closely with customers in all aspects of the product life cycle including product requirement, application, training, support and product improvement.