We are a full-service insurance agency that gives you the peace of mind you deserve. Our services span from Auto, Home, Recreational Vehicles, Water Sports, Commercial Business, General Liability, Professional Liability, Transportation, Workers Comp, Farm and Crop Insurance. We also have markets for specialty products. Our office locations include Sigourney, Kalona, and Fairfield, Iowa. We can find a solution for any individual, family, or business to put you on the path to exceed your goals! View all of our services for more in-depth descriptions on the insurance provided.

The experts at Century Insurance are licensed in 14 states and expanding, so please contact us to meet your insurance needs and exceed your expectations.



    Gary Bontrager


    Gary grew up with humble beginnings on a dairy farm in Kalona. After leaving the Amish community, Gary set out to be a business owner. His first business was a towing and repair shop where he earned the Iowa Technician of the Year award through NAPA in 1997. Realizing that he had a passion for sales and helping people, Gary turned his sites toward insurance. Within a few years of being licensed and gaining experience, Gary purchased his own agency. Since then Gary has been recognized by several companies for his outstanding performance in sales as well as served on advisory councils for Hastings Mutual and Celina Insurance. Gary continues to focus on the growth of his agencies while serving his community and clients.

    Trudy Clubb

    Account Manager

    Trudy grew up in Keokuk county, graduating from Sigourney Jr/Sr High School. Trudy has 3 grown children. After 20 years in manufacturing, Trudy decided to make a career change and is now a CSR in our Sigourney office. Trudy has enjoyed the change of pace with everyday being a different challenge. She also enjoys meeting new people and working with numbers. Trudy is licensed in personal as well as commercial lines and crop insurance.

    Kassandra Klinzman

    Risk Advisor/Office Manager

    Kassi grew up in Washington, IA and graduated from Washington High School in 2001. After High School she attended Kirkwood Community College and graduated with an AA in Office Administration. She started working in insurance for her college internship and decided to become licensed in insurance in 2002 while attending college. Kassi is personal, commercial and life licensed. She is an intragyral part of our employee onboarding team and the go-to person for those uncommon risks.

    Misty Tyree

    Account Manager

    Misty grew up in Kalona and West Liberty, graduating from West Liberty High School. She just recently moved back to the Wellman/Kalona area with her two boys. In her free time, Misty enjoys spending time with her boys, family and friends. Misty began her insurance career in 2016 and is licensed in life, personal and commercial lines. She is excited to be back in the Kalona area to be closer to family.

    Wyatt Stumpf

    Producer/Risk Advisor

    Wyatt grew up on a farm near Hills, Iowa. He graduated from Mid Prairie high school and then attended North Iowa Area Community College where he graduated with an AAS degree in Ag Sales and services and Ag Operations Management. He then joined Century Insurance in the spring of 2020 to do a college internship and decided this was a career he would like to continue. Wyatt focuses on farm and crop, but is able to help you with all insurance needs. When he is not working with insurance, he enjoys being out on the farm and helping his nephew and others with their 4-H and FFA livestock projects.

    Davis Lowenburg


    Davis grew up in Fairfield, IA and graduated from Fairfield High School. After High School he attended AIB College of Business where he obtained his Bachelor’s degree in Business Administration & Financial Services. Davis worked for Cambridge Investment Research as a Business Analyst from 2013 until joining the Century team in April of 2021. He is commercial & personal lines licensed. Outside of work Davis enjoys being outdoors hunting & fishing as well as being an avid golfer.



    IMT Group


    The IMT Group is proud to recognize Century Insurance as one of the highest performing IMT and Wadena Insurance agencies in its six state territory (Iowa, Illinois, Minnesota, Nebraska, South Dakota, and Wisconsin). Of the approximately 980 IMT Group agencies eligible for consideration, only 95 of the top performing agencies received the Gem Too distinction this year.

    Each year, The IMT Group awards the Gem Too distinction to only those agencies that demonstrate outstanding performance in the areas of rank, growth, loss ratio, and profitability.


    Grinnell Mutual


    Century has been named in the top 100 new production for Grinnell Mutual consecutively for the past 4 years.

    Auto Owners West Des Moines Region Top 10 Agency in 2015

    Pekin Inner Circle in 2018

    Pekin Key Award in 2016 and 2018