Discover more at www.localmotors.com and https://www.youtube.com/watch?v=daioWlkH7ZI. Siemens PLM Software, a business unit of the Siemens Digital Factory Division, is a leading global provider of product lifecycle management (PLM) and manufacturing operations management (MOM) software, systems and services with over 15 million licensed seats and more than 140,000 customers worldwide.