Walter T. Vogel

Skyguide SA supervises civil and military air traffic in Swiss airspace. Its services include civil air traffic control, technical services, aeronautical information management, special flights, and business to business services. The company is headquartered in Geneva, Switzerland.

St. Gallisch-Appenzellische Kraftwerke AG engages in the production and distribution of electricity. It invests in, constructs, and operates renewable energy power plants for the production of electricity, heat pump systems for the generation of heat, substations, and transformers. The company was founded in 1914 and is headquartered in St. Gallen, Switzerland.

Aebi Schmidt Holding AG provides winter maintenance, street sweepers, municipal, airport, agricultural and rail technology services. The firm distributes vehicles and equipment for the following areas: municipal winter service, municipal summer service, special equipment for airports for the cleaning of aircraft movement areas, special equipment for agriculture, and tailor-made service solutions. The company was founded by Johann Ulrich Aebi in 1883 and is headquartered in Frauenfeld, Switzerland.

Part of Aebi Schmidt Holding AG, Aebi-Schmidt Gruppe is a Swiss company that provides smart product systems and services for the treatment of mission-critical infrastructural and agricultural areas. The company is based in Bussnang, Switzerland. The company offers a range of products including slope tractors and spreaders for efficient winter maintenance. The company's website also provides information about their values, production facilities, logistics center, sustainability, board of directors, executive board, and history. Additionally, they have a division in Denmark called Aebi Schmidt Denmark.