| d | District Commander |
| dcmc | Command Master Chief |
| drcmc | Reserve Command Master Chief |
| dch | Chaplain |
| dcs | Chief of Staff |
| de | External Affairs Staff |
| di | Intelligence Staff |
| dl | Legal Staff |
| dm | Resource and Performance Mgmt Staff |
| dr | Response Division |
| drm | Incident Management Branch |
| dre | Enforcement Branch |
| dx | Planning & Force Readiness Division |
| dxo | Operational Planning Branch |
| dxc | Contingency Planning Branch |
| dxr | Reserve Management Branch |
| dp | Prevention Division |
| dpa | Auxiliary Branch |
| dpi | Inspections & Investigations Branch |
| dpw | Waterways Management Branch |
| dpb | Bridge Administration Branch |
| dw | Western Rivers Division |
| dwb | Western Rivers Bridge Branch |