Contact
Real people, right here in Marshfield.
Corporate Office — Marshfield
McMillan Warner Mutual Insurance Company
2510 North Central Avenue
P.O. Box 429
Marshfield, WI 54449
Toll-free: 800-505-1898
Office: 715-387-8454
Fax: 715-387-6646
Email: [email protected]
Need to file a claim?
Contact your local agent first — or call our claims team directly at 800-505-1898 and our internal adjusters will guide you through fast, fair, and friendly claim service.
Looking for a quote?
Coverage is quoted and written through our local independent agents — find the one nearest you and they’ll take it from there.