Rolf Seiffert

HUBER+SUHNER (UK) Ltd. manufactures, imports, and sells electrical and optical connectivity components and accessories. It offers radio frequency and fiber optic products including antennas, assemblies, cables, connectors and adapters, lightning and EMP protectors, and resistive components. The company was founded on March 30, 1967 and is headquartered in Bicester, the United Kingdom.

Kummler & Matter AG is a Swiss company that specializes in electrical engineering, energy technology, and railway infrastructure. The company is based in Zurich, Switzerland. The company provides a range of services, including planning, design, installation, and maintenance of electrical systems. Kummler & Matter is a subsidiary of the French company VINCI Energies and ultimately controlled by the State of Vaud.

Duagon AG develops and manufactures train communication and control solutions. it products are Train Real-time Data Protocol and Multifunction Vehicle Bus. The company was founded in 1995 and is headquartered in Dietikon, Switzerland.

Siemens Schweiz AG manufactures and markets automation, safety and security systems. It provides products and services for climate control, building & energy management, fire safety, security, lighting and facility management. The company makes HVAC control and automation products, such as actuators, thermostats, sensors and valves. Other products include fire safety (detection and evacuation systems) and security access controls (alarms, badge management and video surveillance). It also provides facility management services. The company distributes its products primarily through independent contractors and wholesalers. The company was founded in 1916 and is headquartered in Zurich, Switzerland.