One Southern Indiana would like to thank the following members for renewing their membership during the month of October 2021.
| Quarter Century Club) 25 Years or More | Member Since |
| Graceland Baptist Church | 1970 |
| Lehigh Cement | 1976 |
| River Hills Econ. Dev. Dist. & Regional Planning Commission | 1989 |
| Ten to 24 Years | |
| Centra Credit Union | 2000 |
| Cornerstone Environmental, Health and Safety, Inc. | 2007 |
| Patriot Engineering and Environmental | 2008 |
| Oasis Solutions | 2008 |
| Dean Dorton Allen Ford, PLLC | 2008 |
| Leadership Louisville Center | 2010 |
| Five to Nine Years | |
| Fireside Bar & Grill | 2012 |
| Signarama Dixie | 2014 |
| Fund for the Arts | 2014 |
| Louisville Zoo | 2016 |
| Charles Schwab – Michael E. Johnson | 2016 |
| Down Syndrome of Louisville Indiana Campus | 2016 |
| Two to Four Years | |
| Bluegrass Supply Chain Services | 2017 |
| Momentum Title Agency, LLC | 2017 |
| Louisville Regional Airport Authority | 2018 |
| Rapid Industries Inc. | 2018 |
| Heritage Ford | 2019 |
| Our Place Drug & Alcohol Education Services, Inc. | 2019 |
| TGAP Property Services | 2019 |
| One Year | |
| Staff Management | SMX | 2020 |
| Cluckers | 2020 |
| RBR Alliance, Inc. | 2020 |
| Starlight Coffee Co. and Roastery | 2020 |
| Premier Primary Care | 2020 |
| The Skillman Corporation | 2020 |
| Signature Mortgage | 2020 |