| 4001 | fa1 | D | IEMA 1 Primary | Primary - Statewide | Emergency Ops |
| 4002 | fa2 | D | IEMA 2 | Operations | Emergency Ops |
| 4003 | fa3 | D | IEMA 3 | Operations | Emergency Ops |
| 4004 | fa4 | D | IEMA 4 | Operations | Emergency Ops |
| 4005 | fa5 | D | IEMA 5 | Operations | Emergency Ops |
| 4006 | fa6 | D | IEMA 6 / ING | Operations / IL National Guard Ops | Emergency Ops |
| 4007 | fa7 | D | IEMA Region 2 | Region 2 (Dixon) | Emergency Ops |
| 4008 | fa8 | D | IEMA Region 3 | Region 3 (Ottawa) | Emergency Ops |
| 4009 | fa9 | D | IEMA Region 4 | Region 4 (Des Plaines) | Emergency Ops |
| 4010 | faa | D | IEMA Region 6 | Region 6 (Springfield) | Emergency Ops |
| 4011 | fab | De | IEMA Region 7 | Region 7 (Champaign) | Emergency Ops |
| 4012 | fac | D | IEMA Region 8 | Region 8 (Fairview Heights) | Emergency Ops |
| 4013 | fad | De | IEMA Region 9 | Region 9 (Flora) | Emergency Ops |
| 4014 | fae | De | IEMA Region 11 | Region 11 (Marion) | Emergency Ops |
| 4015 | faf | D | IEMA 7 / ING | Operations / IL National Guard Ops | Emergency Ops |
| 4016 | fb0 | D | IEMA 8 / Nuclear | Operations / Division of Nuclear Safety Ops | Emergency Ops |
| 4017 | fb1 | De | IEMA Ops 4017 | Operations | Emergency Ops |
