Wintershall Dea is a prominent independent European company focused on the exploration, development, and production of natural gas and crude oil. Established in May 2019 from the merger of Wintershall Holding GmbH and DEA Deutsche Erdoel AG, the company has over 120 years of experience in the energy sector. With headquarters in Kassel and Hamburg, Germany, Wintershall Dea operates in 11 countries across Europe, Latin America, and the Middle East & North Africa.

The company covers the entire upstream value chain of oil and gas, recognized for its expertise in managing complex fields and applying high engineering standards. Wintershall Dea also engages in midstream activities, including natural gas transport infrastructure. Its product portfolio includes crude oil and natural gas from both onshore and offshore fields, with significant projects like the Mittelplate field and the Schwedeneck-See project showcasing its technical capabilities. Employing around 4,000 people from over 60 nations, Wintershall Dea is committed to innovation and operational excellence in the global energy landscape.