Jensen-Sundquist Insurance Agency

Auto, Home, Life and Business Insurance

Siren, WI Insurance Agency

Erie Insurance sells auto, home, life and business insurance through our network of independent agents in 12 states and the District of Columbia. Jensen-Sundquist Insurance Agency was established in 1945 and moved to their Siren, Wisconsin, location in 2003. The full-service agency offers auto, home, commercial, life insurance.

Licensed Staff

Michael Alderman has been the principal agent of Jensen-Sundquist Insurance Agency for over 17 years, overseeing the commercial insurance needs of his clients in Wisconsin. He is well educated and holds a Bachelor of Science degree from Mankato State University in Mankato, Minnesota. He is also licensed in property/casualty and life insurance. Mike and his licensed, six-agent staff take great pride in their outstanding customer service. The staff has combined insurance experience of more than 75 years.


Jensen-Sundquist Insurance Agency is located in Siren, Wisconsin, on Highway 35. The agency is at the intersection of Highways 35 and 70, next to ERA Parkside Realty.

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