Klaus Messerklinger

Tank Roth GmbH owns and operates gas stations. It offers convenient store that serves coffee and culinary bistros, automatic teller machines, and car services. The company is headquartered in Graz, Austria.

Part of MOL Hungarian Oil & Gas Plc, Roth Heizöle GesmbH is a company based in Graz, Austria. The Austrian company provides crude oil and petroleum products and operates gas stations.

OMV Supply & Trading AG sells and distributes of crude petroleum and petroleum products. The company is headquartered in Zug, Switzerland.

Part of OMV AG, OMV Supply & Trading Ltd. is a British company that specializes in packaging. The company is based in London, UK. OMV AG is Austria's largest listed industrial company with group sales of EUR 62bn and 22,300 employees. OMV is an energy and chemicals company that produces and markets oil and gas, as well as chemical solutions in a responsible way. The company was founded in 1991.

OMV Exploration & Production GmbH engages in the management of participating interests in companies. It focuses on businesses engaged in the exploration and production of oil and natural gas. The firm supports its subsidiaries in business processes, which include acquisitions, divestments, investments, project financing, and human resource management. The company was founded on August 1, 1989 and is headquartered in Vienna, Austria.