| Business | Phone |
| Highway Dept 2322 Union Ave W, Wynne 72396 | (870) 238-3633 |
| Highway Dept 2701 Highway 64, Wynne 72396 | (870) 238-8144 |
| Highway Dept Highway 284 W, Wynne 72396 | (870) 238-3633 |
| Highway Dept-Construction Div 2320 Union Ave W, Wynne 72396 | (870) 238-3738 |