| Cincinnati Region | http://www.cincyscca.com |
| Columbus Sports Car Club | http://www.cscc-scca.org |
| Detroit Region | http://www.detroit-scca.org |
| Fort Wayne Region | http://www.fwscca.com |
| Indiana Northwest Region | http://www.inr-scca.org |
| Indianapolis Region | http://www.indyscca.org |
| Kentucky Region | http://kyscca.com |
| NeOhio Region | http://www.neohio-scca.org |
| Northern Ohio Valley Region | http://www.wizco.net/NOVR |
| Northwestern Ohio Region | http://www.nworscca.com |
| Ohio Vally Region | http://www.ovr-scca.org |
| River Cities Region | http://geocities.com/rivercitiesregion |
| Saginaw Valley Region | http://www.svr-scca.com |
| South Bend Region | http://www.sbrscca.org |
| Southern Indiana Region | http://www.sirscca.org |
| Southern West Virginia Region | http://swvrscca.org/index.php |
| Western Michigan Region | http://www.wmr-scca.org |
| Western Ohio Region | http://www.worscca.org |
