397 active carriers · 52 with recent roadside inspections, listed below.
| Carrier | City | Power units | Records |
|---|---|---|---|
| NORTHLAND PRODUCTS CO INC | WATERLOO | 21 | Inspections / crashes |
| WARREN TRANSPORT INC | WATERLOO | 343 | Inspections / crashes |
| UNITED BEVERAGES INCdba UNITEDBEVERAGE INC | WATERLOO | 13 | Inspections / crashes |
| HEATING AND COOLING SUPPLY COMPANY | WATERLOO | 11 | Inspections / crashes |
| WATERLOO WAREHOUSING AND SERVICE COMPANY INC | WATERLOO | 23 | Inspections / crashes |
| A-LINE EDS INC | WATERLOO | 44 | Inspections / crashes |
| LEHMAN TRUCKING & EXCAVATING INC | WATERLOO | 15 | Inspections / crashes |
| QUAM TRUCKING LLC | WATERLOO | 14 | Inspections / crashes |
| ASPRO INC | WATERLOO | 79 | Inspections / crashes |
| NM TRUCKING LLCdba N M TRUCKING | WATERLOO | 25 | Inspections / crashes |
| BLACK HAWK WASTE DISPOSAL COMPANY INC | WATERLOO | 26 | Inspections / crashes |
| A-LINE IRON & METALS INCdba PUSH IRON AND METALS-WATERLOO | WATERLOO | 8 | Inspections / crashes |
| LYNX INCdba LYNX TRANSPORTATION INC | WATERLOO | 16 | Inspections / crashes |
| X TRANS INC | WATERLOO | 110 | Inspections / crashes |
| USA TRUCKING LLC | WATERLOO | 47 | Inspections / crashes |
| OVERLAND TRANSPORT LLC | WATERLOO | 33 | Inspections / crashes |
| YUGO EXPRESS INC | WATERLOO | 30 | Inspections / crashes |
| RITE ENVIRONMENTAL INC | WATERLOO | 30 | Inspections / crashes |
| CEDAR RIVER TRANSPORT LLC | WATERLOO | 34 | Inspections / crashes |
| RED ARROW TRANSPORT LLC | WATERLOO | 10 | Inspections / crashes |
| BLACK HAWK ROOF CO INC | WATERLOO | 8 | Inspections / crashes |
| A&T TRUCKING LLC | WATERLOO | 60 | Inspections / crashes |
| GLOBAL TRANSPORT LLC | WATERLOO | 3 | Inspections / crashes |
| DEF TRANSPORT LLC | WATERLOO | 15 | Inspections / crashes |
| AIM TRANSPORTATION SERVICES LLC | WATERLOO | 45 | Inspections / crashes |
| POLO TRANSPORT SERVICES LLC | WATERLOO | 20 | Inspections / crashes |
| CEDAR VALLEY TRANSPORT INC | WATERLOO | 46 | Inspections / crashes |
| EMCO TRANSPORTATION LLC | WATERLOO | 39 | Inspections / crashes |
| E & S FREIGHT SYSTEMS LLC | WATERLOO | 15 | Inspections / crashes |
| EMERSON CRANE RENTAL INCdba EMERSON CRANE RENTAL & TRANSPORTATION | WATERLOO | 23 | Inspections / crashes |
| MAINLINE LOGISTICS LLCdba MISSION COMPLETE | WATERLOO | 4 | Inspections / crashes |
| MID STATE TRUCKING LLC | WATERLOO | 7 | Inspections / crashes |
| KUDA TRANS LLC | WATERLOO | 25 | Inspections / crashes |
| AM EXPRESS LLC | WATERLOO | 12 | Inspections / crashes |
| IMPEL TRANSPORT INC | WATERLOO | 32 | Inspections / crashes |
| A&O TRANSPORT LLCdba AO TRANSPORTATION | WATERLOO | 17 | Inspections / crashes |
| SCB TRANSPORTATION LLC | WATERLOO | 268 | Inspections / crashes |
| ELITE TRANSPORT LLC | WATERLOO | 15 | Inspections / crashes |
| VALLEY WIDE TOWING AND RECOVERY INC | WATERLOO | 11 | Inspections / crashes |
| RITE ENVIRONMENTAL OIL INC | WATERLOO | 9 | Inspections / crashes |
| RA TRANSPORTATION LLC | WATERLOO | 11 | Inspections / crashes |
| MIDWEST EXPEDITED LLC | WATERLOO | 9 | Inspections / crashes |
| TOWTAL RECOVERY LLC | WATERLOO | 4 | Inspections / crashes |
| LOAD X SOLUTIONS LLC | WATERLOO | 5 | Inspections / crashes |
| DO WRIGHT LLC | WATERLOO | 1 | Inspections / crashes |
| MALONEY PROPERTY MAINTENANCE LLC | WATERLOO | 1 | Inspections / crashes |
| BRICK BY BRICK ENTERPRISE LLCdba TRANSPERA TRANSPORTATION | WATERLOO | 1 | Inspections / crashes |
| ACE CUSTOMS LLC | WATERLOO | 3 | Inspections / crashes |
| AETERNUM HAULAGE LLC | WATERLOO | 3 | Inspections / crashes |
| GREENLEAF XPRESS LLC | WATERLOO | 8 | Inspections / crashes |
| NURI SOLUTIONS LLC | WATERLOO | 1 | Inspections / crashes |
| CYI TRANSPORT LLC | WATERLOO | 1 | Inspections / crashes |