| PACIFIC CARGO CORPKenosha, WI | 3684429 | 31 |
| PACKERLAND PORTABLE STORAGE INCAppleton, WI | 1472667 | 5 |
| PAHL TIRE CO INCMadison, WI | 609109 | 1 |
| PALTZER SEED FARM INCAppleton, WI | 1056606 | 1 |
| PANKRATZ TRUCKING LLCMarshfield, WI | 1038972 | 11 |
| PAPER TRANSPORT LLCDe Pere, WI | 380482 | 736 |
| PARADISE TRUCKING CORPAlmond, WI | 1080727 | 50 |
| PAUL B EVRAETSGreen Bay, WI | 1884355 | 1 |
| PAUL J SCHMIT TRUCKING INCSussex, WI | 46599 | 40 |
| PAUL TERRY SERVICESWaukesha, WI | 2942305 | 4 |
| PEARCE ENTERPRISES LLCPlainfield, WI | 1420079 | 15 |
| PEARL TRUCKING LLCManitowoc, WI | 1402487 | 12 |
| PELLITTERI WASTE SYSTEMS INCMonona, WI | 1269538 | 133 |
| PEOTTERS COLLISION CENTERAppleton, WI | 2975277 | 1 |
| PERFORMANCE TRANSPORTATION CORPSeymour, WI | 701915 | 40 |
| PETER TRUCKING LLCAthens, WI | 1186933 | 77 |
| PGC TRANSPORT INCBeloit, WI | 4303126 | 1 |
| PHASE 1 EXPRESS LLCWilton, WI | 562209 | 1 |
| PHC TRANSIT LLCRandolph, WI | 3087742 | 5 |
| PILARSKI TRUCKING LLCAlmond, WI | 4172940 | 2 |
| PINE CREEK TRUCKING LLCWithee, WI | 4410640 | 2 |
| PIONEER TRANSPORTATION LTDMerrill, WI | 93919 | 61 |
| PISHON EXPRESS INCMadison, WI | 2827469 | 6 |
| PIXEL EXPRESS INCMilwaukee, WI | 3965292 | 33 |
| PJS TRANSPORTATION LLCJanesville, WI | 4523388 | 1 |
| PLAINFIELD TRUCKING INCPlainfield, WI | 74496 | 107 |
| PLC TRANSPORTATION LLCArbor Vitae, WI | 1308268 | 15 |
| PLUTO EXPRESS INCKenosha, WI | 2527106 | 5 |
| POLYAK DISTRIBUTORS INCMilwaukee, WI | 256252 | 28 |
| PONS TRANSPORT CORPORATIONLa Crosse, WI | 4138200 | 1 |
| POTVIN TRUCKING LLCBarronett, WI | 2891722 | 1 |
| PRECISION PIPELINE LLCEau Claire, WI | 1234495 | 1 |
| PRECISIUM SOLUTIONS LLCMadison, WI | 4322519 | 80 |
| PREFERRED CARRIER LOGISTICS LLCOak Creek, WI | 2013895 | 39 |
| PREVAIL LOGISTICS LLCMilwaukee, WI | 4559884 | 1 |
| PROAXIS LLCMadison, WI | 2449437 | 1 |
| PROCHNOW TRANSPORT INCMedford, WI | 186355 | 45 |
| PTX SERVICES LLCPlymouth, WI | 172523 | 88 |
| PURE MECHANICAL LLCWaukesha, WI | 3277203 | 1 |
| PWM TRUCKING LLCSheboygan, WI | 614163 | 34 |
| PYBURN ENTERPRISES LLCWisconsin Rapids, WI | 3019833 | 11 |