| 2 | 002 | D | BWI APW-1 | APW-1 | Public Works |
| 4 | 004 | D | BWI Emergency | Emergency | Interop |
| 5 | 005 | D | BWI HVAC Mnt | HVAC Maintenance | Public Works |
| 8 | 008 | D | BWI Deice 8 | Deicing (recovery) | Public Works |
| 9 | 009 | D | BWI Deice 9 | Deicing (recovery) | Public Works |
| 25 | 019 | D | BWI Bldg Mnt Ctl | Building Maintenance Control | Public Works |
| 26 | 01a | D | BWI Elec Mnt | Electrical Maintenance | Public Works |
| 28 | 01c | D | BWI Fld Ctl | Field Control | Public Works |
| 31 | 01f | D | BWI Plows 31 | Snow Plows | Public Works |
| 32 | 020 | D | BWI Plows 32 | Snow Plows | Public Works |
| 33 | 021 | D | BWI Plows 33 | Snow Plows | Public Works |
| 35 | 023 | D | BWI Plows 35 | Snow Plows | Public Works |
| 36 | 024 | D | BWI Plows 4 | Snow Plows (Ch. 4) | Public Works |
| 46 | 02e | D | BWI Airport Ops | Airport Ops | Public Works |
| 48 | 030 | D | BWI BaggCarousel | Baggage Carousels | Public Works |
| 49 | 031 | D | BWI EOC | Emergency Operations Center | Emergency Ops |
| 57 | 039 | D | BWI DoorAlarmSec | Door Alarm Security | Security |
| 58 | 03a | D | BWI Gate Sec | Gate Security | Security |
| 60 | 03c | D | BWI Courtesy | Courtesy Patrol | Public Works |
| 61 | 03d | D | BWI Pkg Sec | Parking Security/Services | Public Works |
| 62 | 03e | D | BWI Pkg Shuttles | Parking Shuttle | Transportation |
| 63 | 03f | D | BWI Housekeeping | Housekeeping | Public Works |
| 70 | 046 | D | BWI Electron Div | Electronics Division | Public Works |