| ANSTOETTER CONSTRUCTION CO | 322404 | | Inactive | Carrier |
| BIG RIVER CAST STONE INC | 1227518 | MC485264 | Active | Carrier |
| BLACK JACK TRANSPORT LLC | 3727731 | MC1314655 | Active | Carrier |
| BOYD MORGAN HAMILTON | 1716464 | | Inactive | Carrier |
| BRIAN MCDOWELL | 3340123 | MC1065924 | Inactive | Carrier |
| BRIMEYER DOZING & EXCAVATING LLC | 2833667 | | Active | Carrier |
| CARL TILL | 1853 | | Inactive | Carrier |
| CJ BEEPS EQUIPMENT LLC | 3419781 | MC1653626 | Active | Carrier |
| CONCRETE CONCEPTS INC | 2559381 | | Active | Carrier |
| DANIEL A STEFFEN | 432028 | MC275821 | Inactive | Carrier |
| DAVID W CORBIN | 581939 | | Inactive | Carrier |
| DENNIS MERKES AND DANIEL MERKES | 707959 | MC344822 | Inactive | Carrier |
| DONALD FRANCIS KLOSTERMANN | 1378054 | | Active | Carrier |
| EASTERN IOWA CONCRETE SAWING | 1928552 | | Inactive | Carrier |
| EASTERN IOWA WALL AND CONCRETE SAWING | 2568340 | | Inactive | Carrier |
| EAST IOWA MACHINE COMPANY LLC | 1156622 | MC465994 | Active | Carrier |
| ELMER HEITZ | 435936 | | Inactive | Carrier |
| EZ PLACEMENT LLC | 3969746 | | Active | Carrier |
| GENERATION NEXT FARMS INC | 2409793 | | Inactive | Carrier |
| JAC TRANSFER LLC | 845774 | MC434264 | Active | Carrier |
| JAMES LEHMAN | 1413998 | | Inactive | Registrant |
| J & T TRUCKING LLC | 4070011 | MC1546601 | Inactive | Carrier |
| JASON MERKES | 1239972 | MC559590 | Inactive | Carrier |
| J-BIRD TRUCKING INC | 1616610 | MC725352 | Active | Carrier |
| JEROME BEGLE | 729185 | MC361266 | Inactive | Carrier |
| JERRY MERKES TRUCKING LLC | 1015105 | MC425535 | Active | Carrier |
| JERRY P ROLWES | 1261135 | | Inactive | Registrant |
| JIM SCHERRER | 1267352 | | Inactive | Registrant |
| JOHN P ROLWES | 313369 | MC209261 | Inactive | Carrier |
| J RAUEN INC | 4259316 | MC1652287 | Active | Carrier |
| KAFER LAWN CARE LLC | 1998284 | | Active | Carrier |
| KEITH JARDING | 2470367 | | Active | Carrier |
| KEY CITY TRANSPORT INC | 400635 | MC234332 | Active | Carrier |
| KLUESNER CONSTRUCTION INC | 748752 | MC676502 | Active | Carrier |
| KLUESNER SANITATION LLC | 4335246 | MC1693130 | Active | Carrier |
| KRESS TRANSPORT LLC | 1812688 | MC767510 | Active | Carrier |
| LORAS W. GREENWOOD | 0 | MC176921 | Active | |
| LUND MANUFACTURING COMPANY INC | 1267309 | | Active | Carrier |
| LYLE WULFEKUHLE | 724527 | | Active | Carrier |
| M & D MATERIALS INC | 762831 | MC344233 | Active | Carrier |
| MARK RINIKER CONSTRUCTION INC | 1998585 | MC26286 | Active | Carrier |
| MERKES LOGISTICS LLC | 2407619 | MC826819 | Active | Broker |
| MERKES TRANSPORT LLC | 2172105 | MC754458 | Inactive | Carrier |
| MIDWEST TRANSPORT LLC | 1214210 | MC482294 | Active | Carrier |
| MR FARMS TRUCKING LLC | 3578612 | | Active | Carrier |
| NICKOL EARTH MOVING LLC | 1852860 | | Active | Carrier |
| OFFSET CONSTRUCTION LLC | 4030554 | | Active | Carrier |
| PAUL C JARDING | 660286 | MC309726 | Inactive | Carrier |
| PAUL SCHERRMAN | 1205466 | MC493492 | Inactive | Carrier |
| RAUEN PRECISION MACHINING INC | 1666076 | MC702661 | Active | Carrier |
| S & N FAMILY FARMS INC | 4088073 | | Active | Carrier |
| SCOTT LASACK | 1763676 | | Active | Carrier |
| SIMON BROS FARMS | 2451852 | | Active | Carrier |
| SIMON BROS TRUCKING INC | 493835 | | Inactive | Carrier |
| SIMON FEED STORE INC | 0 | MC144192 | | |
| SIMON FIRE EQUIP & REPAIR INC | 519000 | | Active | Carrier |
| SIMON JOSEPH L | 1797 | | Inactive | Carrier |
| SIMON'S CATTLE COMPANY LLC | 2906733 | | Active | Carrier |
| SIMON SEEDING AND SOD INC | 1806290 | | Inactive | Carrier |
| SIMONS LOGISTICS INC | 2246394 | MC708113 | Active | Broker |
| SIMON'S TRUCKING INC | 164492 | MC147085 | Active | Carrier/Broker |
| SLS TRANSPORT LLC | 2843615 | MC953559 | Active | Carrier |
| SLS TRANSPORT LLC | 2843615 | FF14655 | Active | Carrier |
| SOUTH FORK TRANSFER LLC | 4006164 | MC1507052 | Active | Carrier |
| SST INC | 587439 | MC402608 | Inactive | Carrier |
| T & K EQUIPMENT LLC | 4536677 | | Active | Carrier |
| THOMAS GREENWOOD | 107184 | | Inactive | Carrier |
| TOM LOWER | 1817030 | MC659715 | Inactive | Carrier |
| TOP GRADE EXCAVATING INC | 1320663 | MC783355 | Active | Carrier |
| TRITON MANUFACTURING | 1134003 | | Inactive | Carrier |
| TROY JOHNSON | 299183 | | Inactive | Carrier |
| TULLY TRUCKING LLC | 3718107 | | Inactive | Carrier |
| WESTERN DUBUQUE COMMUNITY SCHOOL DISTRICT | 4467327 | | Inactive | Carrier |
| WILLIAM C AUCHMOODY | 757829 | | Inactive | Carrier |