Complete with a drumline performance and pyrotechnics, Northwestern Mutual kicked off construction of the company’s $500 million transformation of its North Office Building in downtown Milwaukee at a groundbreaking ceremony on Tuesday. The 540,000-square-foot North Office Building is located at 818 E. Mason St. and was built in 1990. It is one of four office … Continue reading Northwestern Mutual breaks ground on $500 million ‘skyline-defining’ upgrade of HQ