The bank has three affiliate financial institutions, including Guardian Finance Company, Scope Aircraft Leasing, and SE Property Holdings, LLC.

During the housing crisis of the early 2000s, Park National acquired nine other banks in a three year period.

The next acquisition for the corporation was NewDominion Bank, which brought Park National into the North Carolina area.

Chairman and CEO, David Trautman, reported that unifying the various affiliates under one name allows for 'smart, steady growth, with expanded resources to better serve the customers'.

[6] Services and employees did not change, however a new, more modern, logo was chosen using colors from some of the affiliate bank's brands.

This affiliate started with the acquisition of The Fairfield National Bank of Lancaster in 1985.

They have locations in Milford, West Chester, Owensville, New Richmond, Eastgate, Ohio pike, Rookwood, and Anderson.

[8] This affiliate started with the acquisition of United Bank, National Association in 2008.

The president of this division is John Swallow who started with the organization in Newark, Ohio.

[11] This affiliate started with the acquisition of The Security National Bank and Trust Company in 2001.

This affiliate has the most branches out of every division that isn't including the main company Park National Bank.

Unity is the smallest affiliate that the Park National Family of Banks has.