One Southern Indiana would like to thank the following businesses for renewing their membership during the month of October 2020.
| Quarter Century Club (25 Years or More) | Member Since |
| Graceland Baptist Church | 10/1/1970 |
| Huber’s Orchard, Winery & Vineyards | 11/1/1984 |
| Louisville Business First | 11/1/1984 |
| PNC Bank | 7/1/1985 |
| Chase | 2/1/1988 |
| River Hills Econ. Dev. Dist. & Regional Planning Commission | 10/1/1989 |
| Ten to 24 Years | |
| Centra Credit Union | 10/1/2000 |
| Koetter Woodworking, Inc. | 10/24/2002 |
| Kentucky Truck Sales | 10/28/2002 |
| Capital Access Corporation – KY (SBA 504 Loan Program) | 9/5/2008 |
| Patriot Engineering and Environmental | 9/29/2008 |
| Oasis Solutions | 9/30/2008 |
| Dean Dorton Allen Ford, PLLC | 10/22/2008 |
| Industrial Air Centers, Inc. | 11/24/2008 |
| Security Pros, LLC | 12/14/2009 |
| Edward Jones Investments | 10/26/2010 |
| Leadership Louisville Center | 12/2/2010 |
| Five to Nine Years | |
| Indiana Farm Bureau Insurance | 10/25/2011 |
| Family Allergy & Asthma | 9/18/2012 |
| Fireside Bar & Grill | 10/17/2012 |
| Kelley Construction | 11/30/2012 |
| Pegasus Industries and Packaging | 10/16/2014 |
| Fund for the Arts | 10/21/2014 |
| Ronald McDonald House Charities of Kentuckiana | 8/20/2015 |
| The Wheatley Group | 8/24/2015 |
| Seven Development, LLC d/b/a 7D Commercial Real Estate | 11/13/2015 |
| Two to Four Years | |
| Bubba’s 33 | 7/7/2016 |
| Louisville Zoo | 9/29/2016 |
| Fairfield Inn & Suites by Marriott | 10/21/2016 |
| Keller Williams Realty Consultants Southern Indiana | 11/1/2016 |
| Louisville Water Co. | 7/24/2017 |
| Clarksville Dental Care | 10/19/2017 |
| McRae Enterprises, LLC | 7/19/2018 |
| One Year | |
| Johnson-Witkemper, Inc. | 7/17/2019 |
| e3 Marketing | 9/9/2019 |
| CASA of Floyd County, Inc. | 9/30/2019 |
| Allegiance Staffing | 10/10/2019 |
| PayFWDs | 10/10/2019 |
| Our Place Drug & Alcohol Education Services, Inc. | 10/21/2019 |
| TGAP Property Services | 10/30/2019 |
| Parnelli’s Chicago Eatery | 11/26/2019 |