Links Wintershall
Germany's largest producer of crude oil and natural gas www.wintershall.com OAO Gazprom The world's leading natural gas company www.gazprom.com WINGAS GmbH & Co. KG Subsidary of Wintershall and OAO Gazprom www.wingas.com Bulgargaz State owned natural gas sales company in Bulgaria www.bulgargaz.bg Zug, Switzerland Place of business of WIEE www.zug.ch  |