Rolf Johan Jenny

Ammann Group Holding AG engages in the acquisition and holding of participating interests in AMMANN companies as well as the long-term assurance of the continuity of these firms. It also acquires and manages other assets and carries out financial transactions. The company was founded on August 25, 2003 and is headquartered in Langenthal, Switzerland.

selFrag AG develops, engineers and markets high voltage pulse power products, plants, and systems. Its products include selfrag lab, selfrag silicon, selfrag explorer, selfrag 10 tons per hour and distribution list. The company was founded in 2007 and is headquartered in Kerzers, Switzerland.

Ammann BauAusrüstung AG engages in the acquisition and holding of participations in companies. It also provides financing services to firms that develop technologies for the construction and maintenance of roads, manufacture machinery and equipment, as well as provide related systems and services. The company was founded on July 9, 2003 and is headquartered in Langenthal, Switzerland.

Part of Ammann Group Holding AG, Ammann Schweiz AG is a Swiss company that manufactures and distributes machines for the construction sector. The company is based in Langenthal, Switzerland.

Part of Ammann Group Holding AG, Ammann Verdichtung GmbH supplies mixing plants, machines and services for the construction industry. The company is based in Hennef, Germany. The CEOs are Bernd Holz, Carsten Eisenkrämer. The German company was founded in 1983.

Part of Ammann Group Holding AG, Ammann Italy Srl supplies asphalt mixing machines for construction industry. The company is based in Bussolengo, Italy. The CEO of the Italian company is Hans-Christian Schneider.