Christoph Arnold

Poenina Holding AG provides building technology and building shell services. It specializes in plumbing, heating and cooling, ventilation and air conditioning, roofing, as well as plant construction. The company was founded by Jean-Claude Bregy in 2010 and is headquartered in Glattpark, 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.