102 active carriers · 15 with recent roadside inspections, listed below.
| Carrier | City | Power units | Records |
|---|---|---|---|
| PIONEER HI-BRED INTERNATIONAL INCdba CORTEVA AGRISCIENCE LLC | JOHNSTON | 344 | Inspections / crashes |
| ACCO UNLIMITED CORPORATION | JOHNSTON | 17 | Inspections / crashes |
| JOHNSON BROTHERS OF IOWAdba JOHNSON BROTHERS BEVERAGES | JOHNSTON | 53 | Inspections / crashes |
| CITY EXPRESS LLC | JOHNSTON | 1 | Inspections / crashes |
| DWD TRANSPORT INC | JOHNSTON | 1 | Inspections / crashes |
| DOUBLE A AUTO DELIVERY LLCdba DOUBLE A AUTO DELIVERY | JOHNSTON | 4 | Inspections / crashes |
| FLYER TRUCKING INC | JOHNSTON | 2 | Inspections / crashes |
| FORCE TRANSPORTATION INC | JOHNSTON | 105 | Inspections / crashes |
| RHODA TRANSPORT LLC | JOHNSTON | 4 | Inspections / crashes |
| ALBERT TRANSPORTATION LLC | JOHNSTON | 10 | Inspections / crashes |
| T&J ENTERPRISE LLC | JOHNSTON | 1 | Inspections / crashes |
| M & L TRANSPORT LLC | JOHNSTON | 1 | Inspections / crashes |
| SPEED TRANSPORT LLC | JOHNSTON | 1 | Inspections / crashes |
| IOWA EXPRESS LOGISTICS INC | JOHNSTON | 2 | Inspections / crashes |
| RICARDO LOGISTICS LLCdba RLC LOGISTICS | JOHNSTON | 2 | Inspections / crashes |