David Rhyner

Asfinag Bau Management GmbH engages in construction management. The company is headquartered in Vienna, Austria.

Reichsgraf Von Ingelheim Genannt Echter Von Und Zu Mespelbrunn is a winery located in Nackenheim, Germany. The German company produces unique wines from their vineyards and has a long history in winemaking. The CEO of the private company is Manfred Sonnen.

Engadiner Kraftwerke AG engages in the construction and operation of power plants for the utilization of the hydroelectric power of Engadine and the neighboring river basins Inn and Spöl. It also builds power transmission and distribution facilities, as well as other power stations. The company was founded in 1954 and is headquartered in Zernez, Switzerland.

Kraftwerke Hinterrhein AG engages in the management and operation of power plants. Its business activities also include the transmission of the generated electricity. The company was founded on December 10, 1956 and is headquartered in Thusis, Switzerland.

Kraftwerke Mattmark AG produces electricity through hydroelectric power plants. The company was founded in 1959 and is headquartered in Stalden, Switzerland.

Forces Motrices de Mauvoisin SA is a Swiss hydroelectric power production company founded in 1947. The private company is based in Sion, Switzerland. The company produces 1 billion kWh of energy, which accounts for 30%% of the annual electricity consumption in Valais. The company's energy production in Switzerland is 38 billion kWh and 10 billion kWh in Valais.

Argessa AG engages in the generation of electricity through the management and operation of hydropower plants. Its activities also include dam monitoring, flushing, mowing, and clearing services. The company is headquartered in Turtmann, Switzerland.

Gasverbund Mittelland AG engages in the transportation and distribution of natural gas. It also constructs and operates high pressure grids with transfer stations. The company is headquartered in Arlesheim, Switzerland.