 Southern States Utility Trailer Sales, INC | Jackson | MS | — | ◇ UNVERIFIED |
| SMSpector Manufacturing Incorporated | Saint Clair | PA | — | ◇ UNVERIFIED |
| SPSrc Power Systems INC | Marshfield | MO | — | ◇ UNVERIFIED |
| SRS & R Specialty Equipment CO | Corcoran | CA | — | ◇ UNVERIFIED |
| SISs1 INC Dba Brock's Trailers | Bakersfield | CA | — | ◇ UNVERIFIED |
| STSsg Truck and Trailer Repair | Bakersfield | CA | — | ◇ UNVERIFIED |
| SIStandard Iron - Wire Works INC | Sauk Centre | MN | — | ◇ UNVERIFIED |
| SMStar Metal Fabrication, INC. | Wharton | TX | — | ◇ UNVERIFIED |
| SRStcici (10 Roads Express) | San Francisco | CA | — | ◇ UNVERIFIED |
| SEStealth Enterprise LLC | Bristol | IN | — | ◇ UNVERIFIED |
| STSteel Trailer, INC. | Cynthiana | KY | — | ◇ UNVERIFIED |
| SHSte Hackney INC. (0285000032) | Kidron | OH | — | ◇ UNVERIFIED |
| STStellar Trailers CORP | Riverside | CA | — | ◇ UNVERIFIED |
| STStoughton Trailers, LLC | Stoughton | WI | — | ◇ UNVERIFIED |
| SIStranco INC | Abita Springs | LA | — | ◇ UNVERIFIED |
| SIStroman Industries, LLC | Tyler | TX | — | ◇ UNVERIFIED |
| SLStromco LLC | Castle | OK | — | ◇ UNVERIFIED |
| SOSTS Operations Holdings LLC | Lexington | NC | — | ◇ UNVERIFIED |
| STSummit Trailer Sales INC | Summit Station | PA | — | ◇ UNVERIFIED |
| SMSumter Material Handling INC | Sumter | SC | — | ◇ UNVERIFIED |
| STSundowner Trailers of California | Auburn | CA | — | ◇ UNVERIFIED |
| SMSuperior Mfg. CORP. Dba A-j Sales | Commerce City | CO | — | ◇ UNVERIFIED |
| STSuperior Tank Lines | Los Angeles | CA | — | ◇ UNVERIFIED |
| STSuperior Trailer Work | Fontana | CA | — | ◇ UNVERIFIED |
| STSuperior Trailer Works | Hesperia | CA | — | ◇ UNVERIFIED |
| SCSupreme Corporation | Cleburne | TX | — | ◇ UNVERIFIED |
| SLSw Logistical Services | South Houston | TX | — | ◇ UNVERIFIED |
| STSypris Technologies - Kenton INC | Kenton | OH | — | ◇ UNVERIFIED |
 Talbert Manufacturing Incorporated | Francesville | IN | — | ◇ UNVERIFIED |
| TITallman Independent Truck Service LLC | Shandon | CA | — | ◇ UNVERIFIED |
| TETaurus Equipment & Trailer Repair LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TTTB Transportation Inc | Framingham | MA | — | ◇ UNVERIFIED |
| TITerminal Investment Corporation - Ridgeland | Ridgeland | SC | — | ◇ UNVERIFIED |
| TTTeton Trailer Manufacturing LLC | Idaho Falls | ID | — | ◇ UNVERIFIED |
| TBTexas Built Food Trailers INC | Salado | TX | — | ◇ UNVERIFIED |
| TETexas Express Surplus Steel | Mount Pleasant | TX | — | ◇ UNVERIFIED |
| TTTexas Trailers | Gainesville | FL | — | ◇ UNVERIFIED |
| TUTexas Underground, INC. | Pearland | TX | — | ◇ UNVERIFIED |
| TDThe Dennis R. Von Lossberg Trust | Stanton | CA | — | ◇ UNVERIFIED |
| TRThe Rv Factory | Elkhart | IN | — | ◇ UNVERIFIED |
| TRThorn River LLC | Hyrum | UT | — | ◇ UNVERIFIED |
| TITimpte INC | Commerce City | CO | — | ◇ UNVERIFIED |
| TITimpte INC | David City | NE | — | ◇ UNVERIFIED |
| TTTitan Trailer Co LLC | Houston | TX | — | ◇ UNVERIFIED |
| TBTop Brand, INC. | Fairmont | WV | — | ◇ UNVERIFIED |
| TBTop Brand Manufacturing | Mannington | WV | — | ◇ UNVERIFIED |
| TTTotal Truck Shop | Spokane | WA | — | ◇ UNVERIFIED |
| TKTrailer King Builders | Houston | TX | — | ◇ UNVERIFIED |
| TMTrailer Marketing Services, INC. | Clinton | NY | — | ◇ UNVERIFIED |
| TOTrailer One, INC. | Medina | OH | — | ◇ UNVERIFIED |
