| STS Legally SEDLMAIR TRANSPORTATION SERVICES INC. Etobicoke, ON | USDOT Active Not Authorized | 0 | — | 951532 | 2841197 |
| STS Legally SPECIALIZED TRANSPORT SOLUTIONS INC Philadelphia, PA | USDOT Active AUTHORIZED FOR: | 12 | 12 | 906239 | 2585929 |
| STS Legally SCHUMANN TRANSPORT SERVICE LLC Comfrey, MN | USDOT Active AUTHORIZED FOR: | 3 | 3 | 306405 | 513518 |
| STS Legally STERLING TRANSPORTATION SERVICES INC Blair, NE | USDOT Active Not Authorized | 2 | 20 | 537525 | 1421288 |
| STS Legally SURFACE TRANSPORT SERVICES INC Laval, PQ | USDOT Active AUTHORIZED FOR: | 10 | 10 | 576942 | 1545455 |
| STS Legally SELECTED TRUCKING SERVICES LLC Westerville, OH | USDOT Active AUTHORIZED FOR: | 1 | 1 | 618715 | 1683933 |
| STS Legally SMART TRUCKING SERVICES INC Newark, NJ | USDOT Active Not Authorized | 40 | 32 | 743306 | 2134536 |
| STS Legally SWANSONS FARM SERVICE INC Pottsboro, TX | USDOT Active Not Authorized | 0 | — | 444738 | 2229995 |
| STS Legally STRIKER TRANSPORT SERVICES INC Aberdeen, NC | USDOT Active Not Authorized | 0 | — | 474370 | 2231636 |
| STS Legally SAVANNAH TRANSPORTATION SERVICES LLC Pooler, GA | USDOT Active Not Authorized | 0 | — | 676618 | 2244280 |
| STS Legally SECURE TRANSPORT SERVICES Plains, MT | USDOT Inactive Authority Unknown | 2 | 6 | 955 | 2954286 |
| STS Legally SAWYER TRANSPORTATION SERVICE LLC Berwyn, IL | USDOT Active AUTHORIZED FOR: | 1 | 2 | 1151869 | 3495480 |
| STS Legally SIMPLIFIED TRUCKING SOLUTIONS LLC Hutchinson, KS | USDOT Active AUTHORIZED FOR: | 3 | 2 | 1175953 | 3531689 |
| STS Legally SACKETT TRANSPORTATION SERVICES LLC Mecosta, MI | USDOT Active AUTHORIZED FOR: | 15 | 15 | 1206425 | 3576326 |
| STS Legally SECURE TRANSPORT SOLUTIONS LLC Bowling Green, KY | USDOT Active AUTHORIZED FOR: | 3 | 3 | 1281041 | 3681919 |
| STS Legally SPECIALIZED TOWING SERVICES LLC Grand Junction, CO | USDOT Active AUTHORIZED FOR: | 2 | 2 | 1640080 | 4236858 |