AFG Arbonia-Forster-Holding AG engages in the provision of construction technology, which offers safety and security solutions and services. It operates through the following divisions: Building Technology, Building Envelope, and Building Security. The Building Technology division includes the heating technology, air-conditioning and ventilation technology, and sanitary equipment under the brand names Kermi, Arbonia, Prolux, PZP, and Sabiana. The Building Envelope division manufactures window and door under the brand names EgoKiefer, Slovaktual, Dobroplast, and Wertbau. The Building Security division consists of profile systems, which manufacture systems in steel and stainless steel for glazed doors, windows and facades, used in fire and smoke protection, and security applications; and doors, which specializes in the production of special wooden doors for interiors. The company was founded by Franz Josef Forster in 1874 and is headquartered in Arbon, Switzerland.