380 active carriers · 40 with recent roadside inspections, listed below.
| Carrier | City | Power units | Records |
|---|---|---|---|
| ART PAPE TRANSFER INCdba TUCKER FREIGHT LINES INC | DUBUQUE | 340 | Inspections / crashes |
| FLEXSTEEL INDUSTRIES INCdba FLEXSTEEL | DUBUQUE | 16 | Inspections / crashes |
| FOODLINER INCdba FOODLINER | DUBUQUE | 1226 | Inspections / crashes |
| HIRSCHBACH MOTOR LINES LLCdba HIRSCHBACH | DUBUQUE | 2948 | Inspections / crashes |
| WISCONSIN POWER AND LIGHT COMPANYdba ALLIANT ENERGY | DUBUQUE | 604 | Inspections / crashes |
| DUBUQUE HARDWOODS INC | DUBUQUE | 13 | Inspections / crashes |
| SPAHN & ROSE LUMBER CO | DUBUQUE | 138 | Inspections / crashes |
| MULGREW OIL CO | DUBUQUE | 25 | Inspections / crashes |
| TSCHIGGFRIE EXCAVATING COMPANY | DUBUQUE | 87 | Inspections / crashes |
| FLYNN COMPANY INC | DUBUQUE | 53 | Inspections / crashes |
| PORTZEN CONSTRUCTION INC | DUBUQUE | 75 | Inspections / crashes |
| ALL SEASONS TRUCKING INC | DUBUQUE | 29 | Inspections / crashes |
| HIRSCHBACH TRANSPORTATION SERVICES LLCdba HIRSCHBACH SOLUTIONS | DUBUQUE | 3 | Inspections / crashes |
| HARRIS MOTOR SPORTSdba HARRIS GOLF CARS | DUBUQUE | 8 | Inspections / crashes |
| TRUCK COUNTRY OF WISCONSIN INC | DUBUQUE | 16 | Inspections / crashes |
| THOMAS TRANSPORTATION INC | DUBUQUE | 10 | Inspections / crashes |
| TRUCK COUNTRY OF IOWA INC | DUBUQUE | 16 | Inspections / crashes |
| INTERSTATE POWER & LIGHTdba ALLIANT ENERGY | DUBUQUE | 657 | Inspections / crashes |
| HURST LOGISTICS INC | DUBUQUE | 15 | Inspections / crashes |
| HODGSON DELIVERY LTD | DUBUQUE | 3 | Inspections / crashes |
| DITTMER RECYCLING INC | DUBUQUE | 28 | Inspections / crashes |
| H&W TRANSPORT LLCdba H&W TRANSPORT | DUBUQUE | 17 | Inspections / crashes |
| DUBUQUE MOVING & STORAGE INC | DUBUQUE | 22 | Inspections / crashes |
| J KUBITZ TRUCKING LLC | DUBUQUE | 6 | Inspections / crashes |
| HIGH RPM TRUCKING INC | DUBUQUE | 1 | Inspections / crashes |
| QUEST LINER INCdba QUEST LINER | DUBUQUE | 344 | Inspections / crashes |
| FUELINER LLCdba FUELINER | DUBUQUE | 42 | Inspections / crashes |
| TRUCK COUNTRY OF INDIANA INCdba STOOPS FREIGHTLINER-QUALITY TRAILER | DUBUQUE | 6 | Inspections / crashes |
| DELTA LOGISTICS INC | DUBUQUE | 22 | Inspections / crashes |
| J P TRUCKING INC | DUBUQUE | 2 | Inspections / crashes |
| MCCOY CONSTRUCTION & FORESTRY INC | DUBUQUE | 26 | Inspections / crashes |
| AUTO NET TRANS INC | DUBUQUE | 13 | Inspections / crashes |
| CROSSWAY LOGISTICS INC | DUBUQUE | 30 | Inspections / crashes |
| HOYNE LANDSCAPING & SNOWPLOWING INC | DUBUQUE | 8 | Inspections / crashes |
| BST EXPEDITE INC | DUBUQUE | 35 | Inspections / crashes |
| RIVER CITY TRANSPORT INC | DUBUQUE | 38 | Inspections / crashes |
| MASSEY LLC | DUBUQUE | 2 | Inspections / crashes |
| HYPE TOY TRANSPORTATION SERVICES INCdba PULSE EXPRESS | DUBUQUE | 67 | Inspections / crashes |
| BSA TRANS INC | DUBUQUE | 10 | Inspections / crashes |
| CNH TRUCKING LLC | DUBUQUE | 3 | Inspections / crashes |