Grossnickle Insurance, Inc. was founded in 1965 by G.E. “Shag” Grossnickle offering quality insurance products and service to Northeast Missouri. Shag was a longtime community member and supporter of KBSA Ball Team “Shag’s”, Kiwanis Club, and Kirksville Booster Club.

In 1973, John B. Grossnickle joined his father Shag in the insurance business and continued to serve its customers for the next 50 years. John was a community advocate, supporting and sponsoring many teams and organizations in the area. He always offered a friendly and warm hello to anyone he met, whether it was at a sporting event, fundraiser, or passing on the road.

In 2023, the Grossnickle Insurance company continues under the ownership and management of NEMO Bancshares, Inc. NEMO Bancshares, Inc. is a locally owned and managed company that is the financial holding company affiliate of Alliant Bank. NEMO Bancshares has been doing business in Northeast Missouri since 1995 and is excited to continue the excellent customer service the Grossnickle family has always provided.

From October 2024 through October 2024, Andy Gerdes led the Grossnickle Insurance team as Vice President of Operations which included Mary Grossnickle and Myra Shoop as the agencies long-time trusted direct sales and customer service team. Andy Gerdes facilitated the original onboarding of a strong regional producer affiliate sales presence throughout the Central and Northeastern Missouri sales region. In 2024, Andy Gerdes transitioned to a lender with Alliant Bank (affiliate) and maintained the role of Vice President of Affiliate Sales.

From October 2024 through today, Bret Wilson has led the Grossnickle Insurance team as Vice President of Operations and Sales. Bret has established and fostered several new direct and affiliate members of the sales team through June 2025.

In 2025, the Grossnickle Insurance company began to co-brand with the Alliant Insurance Solutions logo, namesake, website, and social media presence.

Alliant Insurance Solutions will continue to maintain and enhance insurance carrier relationships to provide competitive quote options and added value to customers. If you have any questions or concerns, please feel free to reach out to our office at 660-665-1938.

Central and Northeastern Missouri is our home. We are proud to support our communities with insurance services, sponsoring events, or coaching a little team…