6240 West Main Street
P O Box 69
Cass City, MI 48726
Tel: 989 872 4351

2711 Center Ave. Rm 102
PO Box 69 
Essexville, MI  48732
Tel: 989-893-3688

We want to be your Michigan insurance agent. Our main insurance sales and
service areas are in the following counties: Tuscola, Sanilac, Huron, Lapeer, Bay
and Saginaw. We are a full-service independent insurance agency, representing
over 50 insurance companies to give you a wide and affordable selection of
superior insurance products including:

Auto Insurance
Home Owners Insurance
Life Insurance
Commercial Business Insurance
Farm Insurance
Health Insurance
Insurance for RV's ie Recreational Vehicles,
Snowmobiles etc
Motor Cycle Insurance
Bonds
Investment Opportunities

Our agency was established by Earl Harris in 1926 and was later named the                         Harris-Hampshire Agency after Richard Hampshire joined the agency as a co-owner.            Current co-owner Mark Wiese bought 50% of the agency in January 1987 and other             current co-owner Jim Ceranski bought the other 50% ownership in January 1988.                     The agency name was changed to the curent Thumb Insurance Group, Inc. in 1999. 

We are an agency built on experience. Our employees have over 60 years
combined experience in the insurance business. We have a superior
reputation for our claims handling ability. Our primary objective is to establish
a partnership between you, the insurance company and our staff
which assures you Quality Protection, Valued Customer Service, and above
all, Excellent Claims Support! Our Customer Service Representatives include
Robin Hendrian, Wendy Romain and Pam Noxon.

Call us today and one of our knowledgeable agents would be glad to provide a
FREE no-obligation quote for ALL of your insurance needs. Our in-house agents
are Cathy Stacer, Pat Stecker, Mark Wiese and Jim Ceranski. Our local phone
number is 989-872-4351 or call long distance at 800-233-9533. We also have
agents available in the Marlette area (Dave Gingell with over 20 years experience,  
989-635-2900), as well as in Caro (Dave Kolacz with over 20 years experience, 
989-673-5553 or 888-212-8412), and in Sandusky (Lynette Lawrence-Kirk 
with over 30 years experience, 810-648-4600). If you have any questions or would 
like more information, please feel free to e-mail ( This e-mail address is being protected from spam bots, you need JavaScript enabled to view it ) or call us at the above numbers.  Thank you for visiting our home page.  Jim Ceranski and Mark Wiese, Agency Owners.