Julius Berger Nigeria PLC (NGSE:JBERGER) plans to acquire oil assets and expand into the power industry as it seeks to diversify its business and stay competitive after the country's worst economic slump in decades. Julius Berger is also considering bidding for business in other countries in the region, such as Ghana, Benin and Ivory Coast, where it has conducted market studies, Managing Director Wolfgang Goetsch said Tuesday in an interview in the Nigerian capital.