National Recovery Technologies, Inc. (NRT), located in Nashville, Tennessee USA, is a privately held small business, formed in 1981 by physicists Dr. Charles E. Roos (Chairman of the Board of NRT) and Dr. Edward J. Sommer, Jr. (President and CEO of NRT).  NRT maintains a full range of capabilities including sales, manufacturing, installation, customer service, and technology development.  The company owns or is exclusive licensee for twenty-one U.S. patents and five foreign patents. Numerous other patents are pending or in the application stage.

NRT is a recognized world leader in automated industrial inspection systems, materials handling, and process control, particularly in processing of recycled plastics.  Dr. Ed Sommer is a widely recognized world expert in high-speed industrial inspection systems, spectroscopic technology integration, and process control with 21 patents in the field and numerous presentations at national and international conferences both domestically and abroad.  Dr. Charles Roos is a widely recognized world expert in x-ray technologies and high strength magnetic fields.  NRT maintains a talented staff of scientists, engineers and technicians.