Stammen Insurance has a storied history of service and dedication to our clients over the past century. Be a part of our next chapter.
More than a century of service and commitment.
A tradition of successful services since 1919 can only come by moving with the times. Founders Pete Stammen and C.A. Stubbs originally founded their agencies with a common goal of providing quality customer service. Today, Stammen Insurance continues to live up to that common goal with an ongoing commitment to our clients and community.
100
Years of Commitment to Our Clients
12
Qualified Insurance Carriers to Choose
5
Locations for Simple, Personalized Service
100
Focused on Managing Your Risks
A Legacy of Trusted Insurance Services
For over a century, Stammen Insurance has been dedicated to providing reliable insurance solutions across Ohio and beyond.
Our Journey
- 1919 – C.A. Stubbs founded his agency, setting the foundation for a lasting legacy.
- 1953 – Pete Stammen established his agency, marking the start of the Stammen name in insurance.
- 1993 – The merger with Paragon Insurance Agency created Stammen-Paragon Insurance Agency.
- 2016 – Expansion continued with the acquisition of Ruppert Insurance Agency.
- 2017 – Ownership transitioned to Cody Muhlenkamp, Josh Schmackers, and Jason Stover.
- 2018 – Opened a new branch office in Coldwater, OH, extending service to more communities.
- 2020 – Partnered with CareSurance to offer Medicare and Individual Health Insurance solutions.
- 2024 – Welcomed Hecht Murlin to our team, further strengthening our expertise.
- 2025 – Expanded again with New Bremen Insurance, growing our reach across Ohio.
Serving You Locally & Beyond
With five office locations across the state, Stammen Insurance remains committed to delivering personalized, high-quality insurance solutions. Whether you’re looking for coverage for your family, business, or health, our team is here to guide you every step of the way.
An Award-Winning Agency
Since 1919, the heart of our business has been helping our clients protect their family, loved ones, and the things that matter most to them.
Why Go Independent?
2022 Erie Giving Agency of the Year
Celina Insurance Group 2017 Master Agency of the Year
Cincinnati Insurance Excellence Award
Donegal – Regional Top 25 in Growth
Erie Founders Award
Motorist Pacesetter Award
Committed to Our Community
Here are the local organizations we take pride in supporting.
- Celina-Mercer County Chamber of Commerce
- Celina Rotary Club
- Coldwater Chamber of Commerce
- Knights of Columbus
- Mercer Health MED Foundation
- MAV Youth Mentoring
- Mercer County Elks
- St. Henry Athletic Boosters
- St. Henry Chamber of Commerce
- St. Henry Community Club
- St. Henry Knights of Columbus
- St. Henry Heritage Club
- St. Henry School Board
- St. Mary’s Chamber of Commerce
- St. Mary’s Kiwanis
Insurance Designed for Your Needs
Stammen Insurance has four offices across Ohio, and we are proud to serve clients locally, in Indiana, and across 10 other states we’re licensed in. Get in touch with us today to get started.
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