High Quality Content by WIKIPEDIA articles! The Society of Tribologists and Lubrication Engineers or "STLE" is the premier technical society that serves the needs of more than 10,000 individuals and 150 companies and organizations that comprise the tribology and lubrication engineering business sector, bringing together managers, engineers, scientists, technicians, academics, and government institutions from around the world to learn and share the “best practices” for the tribology and lubrication fields.