| SRB TRUCKING & MORE LLCAlvarado, TX | 4441887 | 3 |
| SRS FREIGHT LLCLaredo, TX | 4015325 | 4 |
| SS AMERICAN LOGISTICS INCHouston, TX | 4333625 | 3 |
| SS CARRIER INCDallas, TX | 1843517 | 39 |
| SSMK LOGISTICS LLCRowlett, TX | 4171651 | 8 |
| ST MATEO TRANSPORT LLCHighlands, TX | 3565617 | 16 |
| STACY ALYSON ELLISLongview, TX | 3357597 | 1 |
| STAGECOACH CARTAGE AND DISTRIBUTION LLCEl Paso, TX | 282628 | 89 |
| STANDARD LOGISTICS TRANSPORTATION LLCDallas, TX | 510003 | 366 |
| STANDARD STRUCTURES INCOdessa, TX | 678822 | 8 |
| STANDING BEAR TRUCKING LLCPointblank, TX | 1952270 | 3 |
| STAR FREIGHT INCMission, TX | 713345 | 2 |
| STAR TRUCK LINES INCSan Marcos, TX | 4241802 | 1 |
| STAR WAY EXPRESS LLCKaty, TX | 4488712 | 1 |
| STAR WAY TRANSPORT LLCDallas, TX | 3876615 | 12 |
| STARBRAND TRANSPORT LLCItasca, TX | 4466017 | 1 |
| STAREIGHT LLCSeminole, TX | 1936112 | 3 |
| STARGATE LOGISTICS LLCHockley, TX | 1933151 | 20 |
| STARMAX TRANSPORT LLCKaty, TX | 3517992 | 1 |
| STARR ONE INCMission, TX | 1791070 | 7 |
| STARRVILLE TRUCKING LLCTyler, TX | 3500720 | 2 |
| STARS TRANSPORT LLCIrving, TX | 4318823 | 2 |
| START TRUCKING INCHouston, TX | 250801 | 4 |
| STARWOOD TRANSPORT LLCPasadena, TX | 4048837 | 31 |
| STATEN ENTERPRISE LLCLa Marque, TX | 4393090 | 6 |
| STATES RENTALS LLCMidland, TX | 4142462 | 14 |
| STATEWIDE MATERIALS TRANSPORT LEASING LTDManor, TX | 1936157 | 112 |
| STATEWIDE TRUCKING CORPFate, TX | 388886 | 130 |
| STEALTHX TRANSPORT LLCMcallen, TX | 4508473 | 3 |
| STEEL TIGER TRUCKING LLCWaxahachie, TX | 3387393 | 5 |
| STEELWAY INTERNATIONAL LLCTerrell, TX | 2282851 | 6 |
| STELLA ENVIRONMENTAL SERVICES LLCHouston, TX | 2258139 | 0 |
| STELLAR SIX LLCEl Paso, TX | 3118166 | 15 |
| STELLAR STREAM TRANSPORT INCLaredo, TX | 4288430 | 21 |
| STEPHANIE'S TRANSPORT LLCEarth, TX | 3241512 | 2 |
| STERLING CRANE LLCBaytown, TX | 1288769 | 116 |
| STEVE MARTINEZ JREdinburg, TX | 3336177 | 1 |
| STEVE RISING ENTERPRISE INCKaty, TX | 4415507 | 2 |
| STEVE WILSONWeatherford, TX | 848308 | 1 |
| STEVEN BUSHTenaha, TX | 2724428 | 1 |
| STEVEN D JONESAmarillo, TX | 453115 | 2 |
| STEWARDSHIP LOGISTICS LLCMansfield, TX | 4186977 | 1 |
| STEX LLCDallas, TX | 3899831 | 2 |
| STG ENTERPRISE LLCHouston, TX | 2975004 | 1 |
| STH SOUTH TX HAULERS LLCKaty, TX | 4502282 | 1 |
| STH TRANSPORT LLCForney, TX | 3248251 | 4 |
| STM FREIGHT LLCFulshear, TX | 4490828 | 1 |
| STN TRUCKING LLCSan Antonio, TX | 3564939 | 1 |
| STOKLEBURY LLCHaslet, TX | 4073770 | 1 |
| STONE BREAKER LOGISTICS LLCHouston, TX | 4447781 | 2 |
| STOP DROP AND ROLL TRUCKING BLACK LLCFort Worth, TX | 4322910 | 5 |
| STR8 CHASIN TRUCKING LLCHouston, TX | 4454401 | 1 |
| STRADA TRUCK SERVICES INCWylie, TX | 3509557 | 1 |
| STRAIGHT A'S TRUCKING LLCBryan, TX | 3034616 | 6 |
| STRAIGHTFORWARD EQUIPMENT LOGISTICS & SERVICES LLCOverton, TX | 3629527 | 5 |
| STRAIGHTUP TRUCKIN LLCSan Antonio, TX | 3612387 | 1 |
| STRATEGIC ENERGY PRODUCTS LLCOdessa, TX | 397609 | 10 |
| STRATEGIC MATERIALS INCHouston, TX | 167751 | 25 |
| STRIKE CARRIERS LLCWeatherford, TX | 2578286 | 1 |
| STRIKE OPERATING COMPANY LLCSpring, TX | 1111430 | 111 |
| STRIKER TRANSPORT LLCPoteet, TX | 3434516 | 3 |
| STRONEY TRUCKING LLCGrand Saline, TX | 1914256 | 2 |
| STRTR LOGISTICS LLCWilmer, TX | 3359049 | 75 |
| STRUCTURAL & STEEL PRODUCTS INCFort Worth, TX | 378121 | 4 |
| STRUCTURE TRUCKLINES LLCEl Paso, TX | 4194697 | 2 |
| STUBBLEFIELD INCForney, TX | 2270967 | 16 |
| STURGEON SERVICES OF TEXASMidland, TX | 4162925 | 12 |
| STX XPRESS LLCEdinburg, TX | 3646093 | 2 |
| SUBLIME LOGISTICS LLCMidland, TX | 4113782 | 1 |
| SUBSIDIUM INCSpring, TX | 959982 | 51 |
| SUCCESSFUL ROADS LLCPasadena, TX | 4420730 | 2 |
| SUFKA TRUCKING LLCDallas, TX | 3235663 | 9 |
| SUGAR LAND EXPRESS LLCEl Paso, TX | 987028 | 1 |
| SULTANA LOGISTICS LLCMission, TX | 3284237 | 1 |
| SUMMIT REFRIGERANTS LLCHumble, TX | 1933154 | 6 |
| SUMMIT TRUCKING INCDallas, TX | 843546 | 140 |
| SUN 3PL INCHouston, TX | 3054921 | 19 |
| SUN BELT TRANSPORTATION INCBrownsville, TX | 238567 | 77 |
| SUN DANCER EXPRESS LLCDallas, TX | 3860689 | 2 |
| SUN SUPPLY CORPORATIONAbilene, TX | 22894 | 1 |
| SUN TRANSPORT LLCRichardson, TX | 4031071 | 1 |
| SUN VALLEY TRANSPORTATION INCEl Paso, TX | 1494635 | 4 |
| SUNBURST TRUCK LINES INCHouston, TX | 314795 | 178 |
| SUNET EXPRESS USA LLCMissouri City, TX | 6125117 | 2 |
| SUNFYRE LOGISTICS LLCPlano, TX | 3554214 | 3 |
| SUNLIGHT EXPRESS INCAmarillo, TX | 2524722 | 1 |
| SUNLIGHT TRUCKING LLCDallas, TX | 3265830 | 14 |
| SUNLINE GLOBAL INCSan Antonio, TX | 536448 | 100 |
| SUNMOUNT DEVELOPMENTS LLCSugar Land, TX | 4295147 | 8 |
| SUNRISE HAULING INCLaredo, TX | 2477318 | 3 |
| SUNRISE HIGHWAYS LLCSan Antonio, TX | 4503627 | 1 |
| SUNSET EXPRESS LLCEdinburg, TX | 4305126 | 1 |
| SUNSET HILLS TRANSPORT LLCEl Paso, TX | 3035554 | 2 |
| SUNSET TRANSPORTATION LLCPort Arthur, TX | 4344840 | 1 |
| SUNSHINE TEXAS LOGISTICS LLCRound Rock, TX | 2878510 | 5 |
| SUNWEST MUD COMPANY INCMidland, TX | 452230 | 12 |
| SUPER S TRANSPORT LLCBrownsville, TX | 1862378 | 3 |
| SUPERBIA DELIVERIES LLCEl Paso, TX | 4207128 | 2 |
| SUPERIOR RELOCATION SERVICES LLCFort Worth, TX | 1950595 | 11 |
| SUPRA TRANSPORTATION LLCPrinceton, TX | 4129159 | 1 |
| SUPREME HEAVY HAULING CORPCleveland, TX | 3605932 | 2 |
| SURF CITY TRUCKING LLCHouston, TX | 3996758 | 1 |
| SUSANA MORAMckinney, TX | 3057962 | 1 |
| SUT TRUCKING INCLaredo, TX | 2481656 | 1 |
| SVAR TRANSPORT LLCConroe, TX | 3200658 | 3 |
| SVC TRUCKING LLCAustin, TX | 2001547 | 1 |
| SWAIN TRANSPORTATION LLCPearland, TX | 3237656 | 1 |
| SWEARINGEN TRANSPORTATION LLCSpringtown, TX | 3326429 | 4 |
| SWEETWYNE ENTERPRISE LLCMansfield, TX | 3643118 | 2 |
| SWIC SERVICES LLCKaty, TX | 4159373 | 2 |
| SWIFT FALCON TRANSPORTATION COMPANY LLCFort Worth, TX | 3548533 | 19 |
| SWIFT INTERNATIONAL SERVICE GROUP INCHouston, TX | 427186 | 13 |
| SWIFT STREAMLINE LOGISTICSPharr, TX | 4183826 | 2 |
| SWITCH MC LLCHouston, TX | 3399459 | 10 |
| SWT OPERATIONS HOLDINGS COMPANY LLCAmarillo, TX | 382679 | 5 |
| SY TRUCKING LLCKilleen, TX | 3919746 | 1 |
| SYB CONSTRUCTION COMPANY INCVenus, TX | 2006301 | 45 |
| SYK TRUCKING INCPort Arthur, TX | 1411683 | 3 |
| SYNERGY NATIONWIDE LOGISTICS INCHouston, TX | 2478122 | 1 |