Yellowstone Scientific Instruments (YSI) was established to produce a new generation of instrumentation for chemical analysis. The focus of the Company is on designing, developing and manufacturing portable, easily-operated, handheld instruments that may be readily used in the field for on-site chemical analysis and for measuring the presence of chemicals in environmentally sensitive areas. We offer products and services for the development of new and innovative approaches to chemical analysis for the following areas: Petroleum, fuels, and petrochemical industry Pharmaceutical industry Medical testing and medical devices Defense contracting Custom chemical processing More information at www.yellowstonescientific.com