Northwestern Mutual is the marketing name for The Northwestern Mutual Life Insurance Company and its subsidiaries. As a mutual company it is owned by its policyowners, not shareholders, and it is headquartered at 720 East Wisconsin Avenue in Milwaukee. It works through more than 21,000 financial advisors and teams, has more than 8,000 employees and serves more than five million clients. The company reports more than $40 billion in revenues and ranked 109 on the 2026 Fortune 500.
In 2001 the company moved staff to a campus in Franklin, Wisconsin, in part because the site suited its data center.
Northwestern Mutual's campus at 1 Northwestern Mutual Way in Franklin, Wisconsin, includes an on-site data center in its first-phase building. The company moved staff there in 2001 and plans to leave the campus, data center included, by about 2027 as it shifts to cloud computing.
October 12, 2026 Milwaukee
Microsoft has cut the number of buildings planned for the 791-acre Durand Avenue portion of its Mount Pleasant, Wisconsin, data center campus to seven from nine, reducing the parcel's projected taxable value by about 24 percent, or nearly $1.9 billion, the Milwaukee Business Journal reported...
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