One Southern Indiana would like to thank the following members for renewing their membership in February 2024.
| Quarter Century Club (25 Years or More) | Member Since |
| The Koetter Group | 1975 |
| Indiana University Southeast | 1985 |
| Junior Achievement of Kentuckiana | 1985 |
| News and Tribune | 1985 |
| Dennis Ott & Company, Inc. | 1990 |
| Foam Fabricators | 1990 |
| Jeffersonville Township Public Library | 1991 |
| New Albany Floyd County Schools | 1991 |
| Childplace | 1994 |
| Indiana Land Co. | 1994 |
| J. Rorrer & Company, CPA | 1994 |
| Mister ”P” Express, Inc. | 1996 |
| Orcutt Winslow + TEG | 1998 |
| St. Elizabeth Catholic Charities | 1999 |
| Ten to 24 Years | |
| Fifth Third Bank | 2000 |
| Floyd Circuit Court Judge | 2001 |
| Voss Clark | 2001 |
| German American Bank | 2003 |
| Toby’s Lawn & Landscape | 2003 |
| Wellstone Regional Hospital | 2005 |
| Park Community Credit Union | 2006 |
| Leadership Southern Indiana | 2007 |
| YMCA of Greater Louisville, Inc. | 2009 |
| Environmental Compliance Source, LLC | 2010 |
| S & M Precast, Inc. | 2010 |
| Alpha Energy Solutions | 2011 |
| GHK Truss, LLC | 2012 |
| Kelley Construction | 2012 |
| ATS Integrated Solutions, Inc. | 2013 |
| C. W. Erecting, LLC | 2013 |
| Discount Labels, Inc. | 2013 |
| Schmitt Furniture Co. | 2013 |
| ERL, Inc. | 2014 |
| Steel Dynamics, Inc. | 2014 |
| Five to Nine Years | |
| Denton Floyd Real Estate Group | 2016 |
| Center for Lay Ministries, Inc. | 2017 |
| Larry J. Lynn / LegalShield Prepaid Legal Services & ID Theft Protection | 2017 |
| ARC Janitorial Supply | 2018 |
| Vitality Senior Services | 2018 |
| Arnold Painting, LLC | 2019 |
| Clark’s Snacks | 2019 |
| Floyds Knobs Water Company | 2019 |
| New Albany Broadcasting WMYO-TV and WKYI-TV | 2019 |
| Patrick Johnson Landscaping LLC | 2019 |
| Two to Four Years | |
| Russell Cellular | 2020 |
| SERVPRO of Floyd, Clark, Harrison, Perry, Crawford, Orange, Washington & Scott Counties | 2020 |
| Southern Hospitality | 2020 |
| BelFlex Staffing Network | 2021 |
| BluMine Health, LLC | 2021 |
| CTDI | 2021 |
| Destination Georgetown | 2021 |
| ImmunoTek Bio Centers, LLC | 2021 |
| Ready Set Prep’d | 2021 |
| Unlimited Travel Consultants, LLC | 2021 |
| BoomBozz Pizza & Watch Bar | 2022 |
| Matrix Integration, LLC | 2022 |
| Operation Parent Inc | 2022 |
| Zach Wedding, Realtor- Six Degrees Real Estate | 2022 |
| One Year | |
| American Structurepoint | 2023 |
| Covered Bridge Golf Club | 2023 |
| Drake’s | 2023 |
| Express Employment Professionals | 2023 |
| John-Kenyon Eye Center | 2023 |
| M & M Office Solutions, Inc. | 2023 |
| NAMI Louisville | 2023 |
| O.K.I Furniture Fair | 2023 |
| OHM Advisors | 2023 |
| Open Door Youth Services | 2023 |
| St. Mary’s Catholic Church | 2023 |
| The Patch Boys of Southern Louisville | 2023 |
| Wilson Education Center | 2023 |