McMillan-Warner Mutual

McMillan-Warner Mutual

At Key Insurance, we pride ourselves on helping our customers find the coverage they need at an affordable price. That’s why we trust McMillan-Warner Mutual to provide our clients with the professional level of service they deserve.


Since our founding, we’ve helped countless people throughout Wisconsin save money and enjoy the peace of mind that a policy from McMillan-Warner Mutual provides. No matter your situation, our independent insurance agency can help you understand your exact insurance needs and find competitively priced options for your next policy.

Address

2510 North Central Avenue

P.O. Box 429

Marshfield, WI 54449

Claims

715-387-8454

Before reporting a Claim, feel free to call us and get any necessary guidance on ensuring your claim estimate is accurate

Start with Confidence. Stay Protected with Key Insurance.

We’re more than just a policy provider — we’re your neighbors, committed to helping you protect your home, your business, and your future. Serving Sheboygan and communities across Wisconsin with personal, reliable coverage that fits.