E.ON Sverige is a good example of a customer that uses Holmbergs' total concept. Since 2010 Holmbergs has been the power company's main supplier of graphics services and stock holding.

E.ON Sverige's turnover is 37 billion SEK and the power company has nearly 6 000 employees working with electricity, natural gas, liquefied petroleum gas, heating and WtE (Waste-to-energy). Since 2001 E.ON Sverige is part of the German E.ON Group, one of the world's largest private energy groups with 30 million clients.