One Southern Indiana would like to thank the following members for renewing their membership during the month of April 2021.
| Quarter Century Club (25 Years or More) | Member Since |
| Retailers Supply | 1968 |
| Cody & Neely, Law Offices | 1976 |
| H&H Design-Build | 1976 |
| Carman Industries | 1977 |
| Ricke & Associates, Financial and Wealth Strategies | 1977 |
| Samtec, Inc. | 1977 |
| Clarksville Community Schools | 1984 |
| Kaiser Wholesale Inc. | 1985 |
| Green Tree Mall | 1989 |
| Callistus Smith Agency, Inc. | 1990 |
| Ross Bros. Automatic Transmission Service, Inc. | 1991 |
| ISU Insurance and Investment Group | 1992 |
| Mills, Biggs, Haire & Reisert, Inc. | 1996 |
| Ten to 24 Years | |
| TEG Architects | 1998 |
| Terri Lynn’s Catering by Design, Inc. | 2000 |
| River Ridge Development Authority | 2001 |
| Northwestern Mutual | 2007 |
| Snyder’s-Lance, Inc. | 2009 |
| Sounds Unlimited Productions | 2009 |
| Coyle Chevrolet Buick GMC & Nissan | 2011 |
| Missy’s Valet Service, LLC | 2011 |
| Rauch Industries | 2011 |
| Superb IPC | 2011 |
| Five to Nine Years | |
| New Albany Housing Authority | 2012 |
| Brinly-Hardy Co. | 2013 |
| Henderman, Jessee & Company, PLLC | 2013 |
| Keep New Albany Clean & Green, Inc. | 2013 |
| Kyana Packaging Solutions | 2013 |
| Telania, LLC | 2014 |
| C2 Strategic Communications LLC | 2015 |
| Clarksville Strike & Spare Family Fun Center | 2015 |
| Red7e | 2015 |
| The Opus Group | 2016 |
| WHAS11 | 2016 |
| Zaxby’s – Charlestown Rd. | 2016 |
| Two to Four Years | |
| CE Hughes Milling, Inc. | 2017 |
| Terracon Consultants, Inc | 2017 |
| B Sign Group | 2018 |
| Da Da Boutique | 2018 |
| Infinity Homes & Development | 2018 |
| Midwest Metal Works, Inc. | 2018 |
| Payroll Vault | 2018 |
| Skyline of Southern IN | 2018 |
| StoneWater Acupuncture & Chiropractic | 2018 |
| Copier Mart | 2019 |
| Feeders Supply Company | 2019 |
| Integrating Healthy Habits | 2019 |
| Kentucky ElderLaw, PLLC | 2019 |
| One Year | |
| CloudNexus Technologies | 2020 |
| J.F. Hilliard Company LLC | 2020 |
| Kratz Sporting Goods | 2020 |
| Lincoln Hills Health Center | 2020 |
| Martin’s Body Shop | 2020 |