| 0-01-195 | A | materials 1195 | materials hauling | Business |
| 0-03-122 | A | Harris Bus | Harris Bus Company (Posen?): School Buses | Business |
| 0-03-130 | A | Swissport 3130 | O'Hare Airport Aircraft Fueling - Maintenance | Business |
| 0-03-140 | A | Swissport 3140 | O'Hare Airport Aircraft Fueling - B, C and E Gates | Business |
| 0-05-105 | A | plowing 5105 | contract plowing/salting (Oak Park) | Business |
| 0-05-130 | A | Swissport 5130 | O'Hare Airport Aircraft Fueling - Offload? | Business |
| 0-05-140 | A | Swissport 5140 | O'Hare Airport Aircraft Fueling - Cargo, International Gates | Business |
| 0-09-108 | A | SpecEv 9108 | Special Events/Rental Radios | Business |
| 0-13-130 | A | Swissport 13130 | O'Hare Airport Aircraft Fueling - Maintenance | Business |
| 0-13-228 | A | SCR 13-228 | SCR Medical Transportation | Business |
| 0-16-107 | A | taxi 16107 | taxi / bus service | Transportation |
| 0-19-075 | A | Ops 19-075 | Operations | Business |
| 0-19-106 | A | SpecEv 19106 | Special Events/Rental Radios | Business |
| 0-19-107 | A | SpecEv 19107 | Special Events/Rental Radios | Business |
| 0-19-108 | A | SpecEv 19108 | Special Events/Rental Radios | Business |
| 0-19-109 | A | SpecEv 19109 | Special Events/Rental Radios | Business |
| 0-19-110 | A | SpecEv 19110 | Special Events/Rental Radios | Business |
| 0-19-111 | A | SpecEv 19111 | Special Events/Rental Radios | Business |
| 0-19-112 | A | SpecEv 19112 | Special Events/Rental Radios | Business |
| 0-19-113 | A | SpecEv 19113 | Special Events/Rental Radios | Business |
| 0-19-114 | A | SpecEv 19114 | Special Events/Rental Radios | Business |
| 0-19-115 | A | SpecEv 19115 | Special Events/Rental Radios | Business |
| 0-19-116 | A | SpecEv 19116 | Special Events/Rental Radios | Business |
| 0-19-130 | A | Swissport 19130 | O'Hare Airport Ground Equipment Maintenance | Business |
| 0-19-131 | A | Radio Techs | ESP Wireless(?) Radio Techs | Business |
| 0-19-136 | A | Ops 19-136 | Operations | Business |
| 0-19-145 | A | Bus 19145 | School Bus Operations - Elmwood Park District 401? | Business |
| 0-19-146 | A | Swissport 19146 | O'Hare Airport Aircraft Fueling Ops | Business |
| 0-19-205 | A | Security 19-205 | Security Operations | Security |
