Louis Berger (formerly known as Berger Group Holdings) is a full-service engineering, architecture, planning, environmental, program and construction management and economic development firm based in Morristown, New Jersey. Founded in 1953 in Harrisburg, Pennsylvania by Dr. Louis Berger, the firm employs nearly 6,000 employees in more than 50 countries worldwide.[1] The company was acquired by WSP Global in 2018.[2]