Johann Herdina

OMV Deutschland GmbH engages in the exploration, production, and distribution of oil and gas. Its products include gasoline and diesel fuels, oil and grease, natural gas, as well as heating oil. The firm also operates gas filling stations, which also provides car wash services. The company was founded in 1962 and is headquartered in Burghausen, Germany.

Energie Steiermark AG operates as a holding company, which engages in the acquisition, management, and sale of participations in companies in the energy sector. The firm specializes in the generation and distribution of electricity, natural gas, and district heating. It also offers services such as energy consulting, construction of photovoltaic systems, energy optimization, as well as customized energy trading services. The company was founded in 1996 and is headquartered in Graz, Austria.

Austrian Power Grid AG is an independent transmission system operator. The firm ensures the trans regional exchange of electricity both inside and outside of Austria between energy providers and consumers. The company is headquartered in Wien, Austria.

TIWAG-Tiroler Wasserkraft AG generates hydroelectric power. The firm also supplies gas and provides telecommunications services. The company was founded in 1924 and is headquartered in Innsbruck, Austria.

Energie AG Oberösterreich operates as a holding company, which engages in the generation and distribution of electricity, natural gas, heating, and water. It operates photovoltaic, hydroelectric, and thermal power plants, including recycling facilities. The firms also provides waste disposal services to municipalities, as well as clients in the business and industrial sector. The company was founded in 1892 and is headquartered in Linz, Austria.

Energie AG Oberösterreich Telekom GmbH is a telecommunications company that was founded in 1892 and is based in Linz, Austria. The Austrian company provides telecommunication services and is ultimately controlled by the State of Oberösterreich.