| 51376 | c8b0 | A | CRAA COM | Columbus Regional Airport Authority common | Public Works |
| 51408 | c8d0 | A | LCK MTX | Rickenbacker Airport airfield/facilities maintenance | Public Works |
| 51440 | c8f0 | A | CMH MTX | Port Columbus Airport facilities maintenance | Public Works |
| 51632 | c9b0 | A | CMH AFM | Port Columbus Airport airfield maintenance | Public Works |
| 51664 | c9d0 | A | CMH CUST | Port Columbus Airport custodians | Public Works |
| 51888 | cab0 | A | GT BLUE | Ground Transportation shuttles (blue lot) | Public Works |
| 51920 | cad0 | A | GT RED | Ground Transportation shuttles (red lot) | Public Works |
| 51952 | caf0 | A | GT EMPL | Ground Transportation shuttles (employee lot) | Public Works |
| 51984 | cb10 | A | GT MTX | Ground Transportation maintenance | Public Works |
| 52048 | cb50 | A | CMH BHF | Port Columbus Baggage Handling Facility maintenance | Public Works |
