The Westfalen Group is an energy sector technology company operating with a total of 23 subsidiaries and associates in Germany, Belgium, France, the Netherlands, Austria, Poland, Switzerland and the Czech Republic. The family business, founded in 1923, has over 20 production sites located across Europe and is headquartered in Münster. Its business sectors are gases, energy supply and service stations. With about 1,700 employees, the Westfalen Group posted sales of around 1.9 billion euros in the 2018 financial year.