| S & H TRUCKING LLCLouisville, MS | 4331212 | 1 |
| S S S TRUCKING INCMeridian, MS | 175108 | 16 |
| SALVADORE M ARNONEOsyka, MS | 553587 | 3 |
| SAM I AM TRANSPORTATION LLCFulton, MS | 2975019 | 6 |
| SAMI EXPRESS LOGISTICS LLCNatchez, MS | 2523557 | 1 |
| SANDERS TRUCKING SERVICE INCUtica, MS | 214758 | 1 |
| SANDERSON FARMS LLCLaurel, MS | 79127 | 5 |
| SANDIFER AUTO CRUSHERS INCMagnolia, MS | 79126 | 2 |
| SBR EXPRESS LLCNew Albany, MS | 3091697 | 2 |
| SC SERVICES LLCKiln, MS | 4408096 | 1 |
| SCALES LOGISTICS LLCPascagoula, MS | 3500595 | 1 |
| SCANLON TAYLOR MILLWORK INCJackson, MS | 79131 | 1 |
| SCHNITZER COLUMBUS RECYCLING LLCColumbus, MS | 3756560 | 34 |
| SCJ ENTERPRISE LLCNatchez, MS | 3387952 | 1 |
| SEALS LOGISTICS LLCMichigan City, MS | 2932702 | 4 |
| SECK & SONS LLCOlive Branch, MS | 2608262 | 3 |
| SET LLCJackson, MS | 3579784 | 6 |
| SHELBY FREIGHT LLCEdwards, MS | 1785003 | 1 |
| SHORTBRED EXPRESS L L CByram, MS | 4206094 | 1 |
| SIPSEY CREEK FARMS LLCUnion, MS | 3505088 | 8 |
| SJC TRUCKING LLCCorinth, MS | 3667366 | 5 |
| SKINROCK SOUTH EAST LLCDiberville, MS | 4578198 | 30 |
| SMITH TRUCKING OF RIPLEY LLCRipley, MS | 2400297 | 4 |
| SMITH'S TRUCKLINES LLCTylertown, MS | 3999197 | 1 |
| SMITHS TRANSPORTATION LLCGreenville, MS | 2909245 | 1 |
| SMOOTH TRUCKING LLCDrew, MS | 3057014 | 5 |
| SNEAKAPEEK TRUCKING LLCEdwards, MS | 3337092 | 2 |
| SNYDER'S TRUCKING LLCFayette, MS | 3109827 | 2 |
| SOJOURNER TRUCKING INCCrystal Springs, MS | 87865 | 55 |
| SOMAL & SONS TRUCKING INCBrandon, MS | 3957700 | 1 |
| SONNY FARMS INCCollins, MS | 521912 | 12 |
| SOUTHEASTERN ASPHALT AND CONSTRUCTION CO LLCHattiesburg, MS | 3944464 | 2 |
| SOUTHERN COLONEL HOMES INCHattiesburg, MS | 3482825 | 3 |
| SOUTHERN EXPRESS TRANSPORTATION INCHolly Springs, MS | 3999563 | 2 |
| SOUTHERN MISS HOTSHOT LLCPicayune, MS | 7836740 | 1 |
| SOUTHERN STAR TRANSPORT LLCHattiesburg, MS | 3335404 | 5 |
| SOUTHERN TRUCKING INCShuqualak, MS | 349159 | 18 |
| SOUTHMARK AVIATION INCHattiesburg, MS | 3407009 | 13 |
| SOVEREIGN TRANSPORTATION LLCHattiesburg, MS | 3849752 | 1 |
| SPEARS AND SPEARS TRUCKING LLCMeridian, MS | 4103266 | 2 |
| SPENCER HASLETTGulfport, MS | 1496655 | 1 |
| SPIKE EXPRESSJackson, MS | 4446081 | 1 |
| SSA GULF INCGulfport, MS | 61681 | 4 |
| STANBERRY LOGISTICS LLCCleveland, MS | 4395025 | 2 |
| STC TRUCKING LLCMccomb, MS | 1146916 | 7 |
| STEEL ROCK SERVICES LLCLaurel, MS | 4107596 | 29 |
| STEVENSON TRUCKING INCLiberty, MS | 189282 | 2 |
| STEWART TRANSPORTATION CO INCHatttiesburg, MS | 429398 | 10 |
| STOCKSTILL TRUCKING INCPurvis, MS | 593363 | 42 |
| STOREY TRUCKING LLCBooneville, MS | 2635777 | 1 |
| STREET ENTERPRISES INCJackson, MS | 709052 | 5 |
| STUART C IRBY COMPANY LLCJackson, MS | 89614 | 87 |
| SUKH FREIGHT SERVICES LLCTupelo, MS | 4033249 | 1 |
| SUN-BELT HEAVY HAULERS INCHazlehurst, MS | 908819 | 4 |
| SUNSHINE'S TRANSPORTATION LLCClinton, MS | 4330056 | 2 |
| SUPERIOR PALLET COMPANY INCJackson, MS | 1271190 | 5 |
| SWIFTLIFT TOWING & RECOVERY LLCWaveland, MS | 4417436 | 3 |
| SWMMHCNatchez, MS | 3821835 | 50 |