Surface Systems, Inc. designs, manufactures, and services Runway Weather Information Systems (RWIS) for airports across North America. For over 30 years, SSI has been providing RWIS technology to airports for use in their runway snow and ice control procedures. RWIS equipment is capable of monitoring a multitude of pavement and weather conditions and is a valuable tool for maintenance operations. In addition to the most advanced RWIS technology, SSI provides RWIS data software, weather forecasting services, system maintenance and training.