TCS AG

We open worlds. Based on this principle, the family-owned company TCS AG has been developing and manufacturing system technology for building communication since 1995 – from simple door intercom systems to complex large-scale systems for several hundred residential units. The founder of TCS AG Otto Duffner invented the world’s first poland-free software-controlled 2-wire bus system for door communication – the TCS: BUS®. This groundbreaking invention laid the foundation for rapid corporate development. Today, more than 300 employees worldwide work for TCS AG. In Germany, the company is headquartered in Genthin, Saxony-Anhalt. Here more than 130 employees work in production, product development and administration. In the home of the company founder in Triberg,

Otto Duffner leads the company together with his sons Florian Herth and Johannes Duffner. That’s how decades of experience and contemporary ideas stay in perfect balance.