One Southern Indiana wishes to thank the following members for renewing their membership in December 2024.
| Quarter Century Club (25 Years or More) | Member Since |
| Indiana-American Water Company | 1967 |
| DMLO CPAs & Advisors – New Albany | 1972 |
| PC Home Center | 1978 |
| Hope Southern Indiana, Inc. | 1998 |
| First Harrison Bank | 1999 |
| Wiggam Lumber, Inc. | 1999 |
| Ten to 24 Years | |
| Smith Creek, Inc. | 2001 |
| Silver Creek Leather Co., LLC | 2003 |
| Bottles Unlimited | 2007 |
| Mediaura | 2008 |
| Alpha Energy Solutions | 2011 |
| Schimpff’s Confectionery | 2014 |
| Clarksville Strike & Spare Family Fun Center | 2015 |
| Five to Nine Years | |
| Big Brothers Big Sisters of Kentuckiana | 2016 |
| Down Syndrome of Louisville Indiana Campus | 2016 |
| Hampton Inn by Hilton New Albany Louisville West | 2016 |
| Mathes Pharmacy & Homecare | 2016 |
| The Breakwater | 2017 |
| Tree of Life Family Birth Center | 2018 |
| L & N Federal Credit Union | 2019 |
| Two to Four Years | |
| CTDI | 2021 |
| ImmunoTek Bio Centers, LLC | 2021 |
| Kentuckiana Regional Planning & Development Agency (KIPDA) | 2021 |
| CyberdomeUSA | 2022 |
| Medline Industries | 2022 |
| Pet Wants Clarksville | 2022 |
| Redemption Solar and Roofing | 2022 |
| Clark Station Shopping Center | 2023 |
| M & M Office Solutions, Inc. | 2023 |
| Southern Homes Realty | 2023 |
| Spherion Staffing & Recruiting | 2023 |
| stayAPT Suites Louisville North-Clarksville | 2023 |
| Tommy’s Express | 2023 |
| One Year | |
| Arbor Homes | 2024 |
| Clark County Youth Shelter and Family Services, Inc. | 2024 |
| Primavera & Associates | 2024 |
| WorK Architecture + Design | 2024 |