Siemens

Siemens is a major manufacturer of variable frequency drives (VFDs), headquartered in Munich, Germany. Founded in 1847, the company is officially registered as Siemens AG. It focuses on industrial automation, digital transformation, and intelligent infrastructure. Its high-performance drives are essential for factory automation, renewable energy, pharmaceutical production, and complex transportation worldwide. Following its origin, the firm listed publicly in 1899 and spun off Siemens Energy in 2020.