| S & R EXPRESS LLCCalera, AL | 4270615 | 2 |
| S & S TRUCKING LLCFort Payne, AL | 1273007 | 2 |
| S & W DRYWALL LLCCullman, AL | 1587526 | 2 |
| S TILLERY TRUCKING LLCNauvoo, AL | 3880445 | 9 |
| S&E PLATINUM CARRIERS LLCHuntsville, AL | 4485761 | 1 |
| S&L FREIGHT LOGISTICS LLCMccalla, AL | 2925174 | 2 |
| S-SCAPEBirmingham, AL | 1772077 | 1 |
| SABEL STEEL SERVICE INCMontgomery, AL | 41934 | 54 |
| SAFEWAY INDUSTRIAL SERVICES LLCGadsden, AL | 1074749 | 133 |
| SAIIA CONSTRUCTION COMPANY LLCBirmingham, AL | 2069361 | 112 |
| SAP TRANSPORT LLCFoley, AL | 2839327 | 3 |
| SCOT PHILLIPS TRUCKING LLCOneonta, AL | 1075987 | 7 |
| SCOTCH & GULF LUMBER LLCMobile, AL | 1985778 | 1 |
| SCOTT & SANDY HOT SHOT LLCHeflin, AL | 4079427 | 4 |
| SCREAMING EAGLE LLCOzark, AL | 4284597 | 8 |
| SEAFOOD TRANSPORTERS LLCBayou Labatre, AL | 3154442 | 3 |
| SEAMON WRECKER SERVICE INCPrattville, AL | 988539 | 20 |
| SECURE FREIGHT LLCClanton, AL | 2077827 | 1 |
| SERVICE ONE TRANSPORT INCMuscle Shoals, AL | 1199085 | 109 |
| SHADY RIDGE TRUCKING LLCFlorence, AL | 1286531 | 1 |
| SHARK EXPRESS LLCHuntsville, AL | 4011174 | 8 |
| SHAW & SHAW LLCAthens, AL | 264319 | 6 |
| SHAW WAREHOUSE COMPANYBirmingham, AL | 105810 | 1 |
| SHELBY CONTRACTING CO INCTrinity, AL | 41908 | 78 |
| SHIFTER SERVICES LLCGrand Bay, AL | 4443562 | 1 |
| SHORELINE TRANSPORTATION LLCGreenville, AL | 3219285 | 307 |
| SID BROTHERS LOGISTICS LLCMontgomery, AL | 4200338 | 5 |
| SILVERHORSE LOGISTICS LLCMobile, AL | 3176170 | 1 |
| SIMPSON'S WRECKER SERVICE INCSheffield, AL | 504054 | 16 |
| SINGLE SOURCE LOGISTICS INCRussellville, AL | 619413 | 25 |
| SITEOPS GROUP LLCBirmingham, AL | 4418675 | 4 |
| SLINC LLCBirmingham, AL | 3520037 | 2 |
| SMALL'S HOTSHOT EXPRESS LLCSardis, AL | 2491506 | 1 |
| SNM ENTERPRISES LLCSilverhill, AL | 4062903 | 1 |
| SOFT TRANS AUTO LLCGulf Shores, AL | 4180879 | 3 |
| SOKEYON LOGISTICS LLCHoover, AL | 4061295 | 1 |
| SON OF YAHWEH TRANSPORTATION LLCMontgomery, AL | 3402800 | 1 |
| SONBOY TRANSPORTATION LLCHaleyville, AL | 3074639 | 2 |
| SOUL DOG TRUCKING LLCCamden, AL | 1783982 | 2 |
| SOUTH ALABAMA LOGISTICS INCTheodore, AL | 2592993 | 1 |
| SOUTHERN COACHES INCDothan, AL | 430145 | 20 |
| SOUTHERN GREASE HAULING INCMobile, AL | 2328742 | 5 |
| SOUTHERN HAULING AND STONE LLCHuntsville, AL | 3559904 | 1 |
| SOUTHERN INTERMODAL XPRESS LLCMobile, AL | 1605061 | 152 |
| SOUTHERN LAWN & TURF INSTALLERSTuscaloosa, AL | 1522765 | 1 |
| SOUTHERN LINE LLCFyffe, AL | 3246835 | 7 |
| SOUTHERN LOGISTICS USASummerdale, AL | 4311406 | 2 |
| SPECIALTY FOUNDRY PRODUCTS INCBessemer, AL | 64566 | 10 |
| ST CLAIR BUS TRANSPORTATION INCBirmingham, AL | 306548 | 2 |
| STALLWORTH TRUCKING INCPine Apple, AL | 1007833 | 5 |
| STANLEY E WESTDothan, AL | 1478721 | 2 |
| STB LOGISTIC LLCMontgomery, AL | 4343475 | 7 |
| STEARMAN INDUSTRIAL PAINTING INCTuscaloosa, AL | 1554066 | 1 |
| STEPHEN LOGISTICS GROUP LLCMobile, AL | 4406977 | 6 |
| STEPHENS TRUCKING COMPANY INCLuverne, AL | 3183910 | 9 |
| STEPHMO TRANSPORTATION LLCHuntsville, AL | 4470040 | 2 |
| STICH LLCGulf Shores, AL | 3885752 | 8 |
| STITCH TRUCKS LLCDothan, AL | 9852163 | 1 |
| SUMMERFORD TRUCK LINE INCAshford, AL | 97879 | 82 |
| SUMTER TIMBER COMPANY LLCDemopolis, AL | 762049 | 24 |
| SUN VALLEY SOD INCHuntsville, AL | 1957891 | 1 |
| SUNDOWN LOGISTICS LLCHamilton, AL | 3279425 | 12 |
| SUNSHINE MILLS INCRed Bay, AL | 42097 | 14 |
| SUPER NOVA EXPRESS LLCAthens, AL | 3768151 | 4 |
| SUPERIOR SCAFFOLDING & INSULATION INCDecatur, AL | 1295087 | 12 |
| SUPREME FREIGHT & LOGISTICS CORPORATIONMccalla, AL | 3326063 | 3 |
| SUZANNE FRAGALEPhil Campbell, AL | 3002550 | 7 |
| SWAIN DELIVERY LLCJasper, AL | 4429769 | 1 |
| SWANG WIDE LLCBirmingham, AL | 2956986 | 1 |
| SWEET WATER TRANSPORT LLCSweet Water, AL | 3614486 | 6 |
| SYNERGY TRUCKING LLCGulf Shores, AL | 3936657 | 3 |