| Business | Phone |
| Frankfort Highway Commissioner 9434 W La Porte Rd, Mokena 60448 | (708) 479-9673 |
| Mokena Administrator 11004 Carpenter St, Mokena 60448 | (708) 479-3905 |
| Mokena Building Inspector 11004 Carpenter St, Mokena 60448 | (708) 479-3928 |
| Mokena Maintenance Garage 19004 Wolf Rd, Mokena 60448 | (708) 479-3925 |
| Mokena Village Administration 11004 Carpenter St, Mokena 60448 | (708) 479-3900 |