Siemens Aktiengesellschaft operates in the fields of electrification, automation, and digitalization worldwide. Its Digital Industries segment offers automation systems and software for factories, numerical control systems, motors, drives and inverters, and integrated automation systems for machine tools and production machines; process control systems, machine-to-machine communication products, sensors and radio frequency identification systems, and production lifecycle software; mechatronic systems simulation and testing software; and cloud-based industrial Internet of Things operating system. The company's Smart Infrastructure segment supplies and connects energy systems and building technologies to enhance efficiency and sustainability, as well as supports customers to address technology shifts. Its Gas and Power segment offers gas and steam turbines, generators, compressor trains, reciprocating engines, modular power supply and integrated power plant solutions, and instrumentation and control systems for power generation; transmission products, systems, and solutions, which enables multi-vendor and bidirectional flow of energy and information; and power transformers, high voltage switchgears and components, and high-voltage direct current products. The company's Mobility segment provides passenger and freight transportation, including rail vehicles, rail automation and electrification systems, road traffic technology, digital solutions, and related services; and mobility system services. Its Siemens Healthineers segment offers medical technology and software solutions; and clinical consulting and training. The company's Siemens Gamesa Renewable Energy segment provides wind turbines; and develops, constructs, and sells wind farms, as well as provides services for wind farms. Its Financial Services segment offers leasing solutions and equipment; and debt and equity investment products. The company was founded in 1847 and is headquartered in Munich, Germany.