Region 4
Regional 4 Engineer: Mary Ann Rankin
Region 4 KAST Representative: Zachary Morris-Dean
DTC/CIO by District
| District | CIO / DTC Name |
| Anchorage Ind. | Lee Collard |
| Beechwood Ind. | Tim Lillard |
| Bellevue | Jim Seward |
| Boone Co. | Kyle Berberich |
| Bullitt Co. | Kevin Fugate |
| Campbell Co. | Stephen Riddle |
| Carroll Co. | Zachary Morris-Dean |
| Covington | Jamarcus White |
| Dayton Ind. | Casey Woods |
| Eminence Ind. | Larry Jesse |
| Erlanger Ind. | Laura Deters |
| Ft Thomas Ind. | Joe Sumpter |
| Gallatin Co. | Matthew Levell |
| Grant Co. | Becky Epperson |
| Henry Co. | Andy Buchholz |
| Kenton Co. | Matthew Winkler |
| Ludlow Ind. | Kyle Fancher |
| Newport Ind. | Rusty Adams |
| Oldham Co. | Trey Greenwell |
| Owen Co. | Jordan Prather |
| Pendleton Co. | Craig Smith |
| Shelby Co. | Chad Hebner |
| Southgate Ind. | Sharyl Iden |
| Spencer Co. | Lori Riddle |
| Trimble Co. | Frank McCane |
| Walton Verona Ind. | Jason Reis |
| Williamstown Ind. | Ryan Kochert |