One Southern Indiana would like to thanks the following members for renewing their membership during the month of March 2023.
| Quarter Century Club (25 Years or More) | Member Since |
| The Koetter Group | 1975 |
| City of Charlestown | 1985 |
| Hughes Group, Inc. | 1985 |
| Junior Achievement of Kentuckiana | 1985 |
| News and Tribune | 1985 |
| Schuler Bauer Real Estate Services | 1985 |
| LifeSpring Health Systems | 1986 |
| Childplace | 1994 |
| The Salvation Army | 1996 |
| Ten to 24 Years) | |
| St. Elizabeth Catholic Charities | 1999 |
| Floyd Circuit Court Judge | 2001 |
| Charlestown Clark County Public Library | 2003 |
| German American Bank | 2003 |
| Nicholson Insurance Agency | 2003 |
| Budget Services & Supplies, LLC | 2004 |
| Smith & Smith, Attorneys – James U. Smith III | 2004 |
| Park Community Credit Union | 2006 |
| Ecotech Waste Logistics | 2007 |
| Fox Law Offices, LLC | 2007 |
| Leadership Southern Indiana | 2007 |
| Delaco Kasle Processing Indiana | 2008 |
| Delta Services LLC | 2009 |
| YMCA of Greater Louisville, Inc. | 2009 |
| Arctic Minerals | 2011 |
| Rauch Industries | 2011 |
| Autumn Woods Health Campus | 2013 |
| Schmitt Furniture Co. | 2013 |
| Five to Nine Years | |
| Lochmueller Group, Inc. | 2014 |
| Steel Dynamics, Inc. | 2014 |
| Polaris Travel Experts | 2015 |
| Cardinal Pointe Financial Group | 2016 |
| Center for Lay Ministries, Inc. | 2017 |
| Delta Dental of Indiana | 2017 |
| Facilities Management Services, Inc. | 2017 |
| Groups Recover Together | 2017 |
| Waterfront Botanical Gardens | 2017 |
| Vitality Senior Services | 2018 |
| Two to Four Years | |
| Clark’s Snacks | 2019 |
| Floyds Knobs Water Company | 2019 |
| Masters’ Supply, Inc. | 2019 |
| Naked By Sunday | 2019 |
| Lincoln Hills Health Center | 2020 |
| Makarios Consulting, LLC | 2020 |
| CRG Automation | 2021 |
| CTDI | 2021 |
| Employbridge | 2021 |
| European Wax Center | 2021 |
| F5 Enterprises, LLC dba Ink Spot Cafe | 2021 |
| Holiday Inn Express | 2021 |
| Miranda Construction | 2021 |
| Nothing Bundt Cakes Jeffersonville | 2021 |
| One Year | |
| 713 Architects, PLLC | 2022 |
| Bodine Perry | 2022 |
| Carpet Specialist, Inc. | 2022 |
| Operation Parent Inc | 2022 |
| Ron Grooms – Retired Executive | 2022 |
| Serenity Smile Care, LLC | 2022 |
| Southern Indiana Dent | 2022 |