| TBThe Beast Manufacturing Company LLC | Buena Park | CA | — | ◐ LIKELY ACTIVE |
The Buckeye Stamping Co. DBA Buckeye Shapeform | Columbus | OH | 20–99 | ◐ LIKELY ACTIVE |
| TCThe Capital Tool Company | Cleveland | OH | 1–19 | ◐ LIKELY ACTIVE |
| TCThe Cote Corporation | Auburn | ME | 20–99 | ◐ LIKELY ACTIVE |
| TDThe Dale Miller Group LLC | Lawton | OK | — | ◐ LIKELY ACTIVE |
| TDThe Device Manufacturing LLC | Virginia Beach | VA | — | ◐ LIKELY ACTIVE |
| TDThe Dover Tank and Plate Company | Dover | OH | 20–99 | ◐ LIKELY ACTIVE |
| TEThe Entwistle Company - Danville Division | Danville | VA | 20–99 | ◐ LIKELY ACTIVE |
| TFThe Fab Shop LLC | Ashaway | RI | — | ◐ LIKELY ACTIVE |
| TGThe Great Lakes Acquisitions CO LLC | Muskegon | MI | — | ◐ LIKELY ACTIVE |
| TGThe Greenbrier Companies, Jackson | Jackson | MO | 100–499 | ◐ LIKELY ACTIVE |
| TGThe G-s Company | Dundalk | MD | — | ◐ LIKELY ACTIVE |
| THThe Heady Companies, INC. | Des Moines | IA | — | ◐ LIKELY ACTIVE |
| THThe H R Hillery Company | Groton | CT | — | ◐ LIKELY ACTIVE |
| THThe Hyland Machine Company | Dayton | OH | 20–99 | ◐ LIKELY ACTIVE |
| TMThe Master Products Company | Cleveland | OH | 20–99 | ◐ LIKELY ACTIVE |
| TMThe Materials Technology Center | Landisville | PA | 20–99 | ◐ LIKELY ACTIVE |
| TMThe Metalsmiths INC | Mountlake Terrace | WA | — | ◐ LIKELY ACTIVE |
| TMThe Metalworking Group - Dixie Highway | Fairfield | OH | 20–99 | ◐ LIKELY ACTIVE |
| TMThe Metalworking Group - Pippin Road | Cincinnati | OH | 20–99 | ◐ LIKELY ACTIVE |
| TNThe Nolan Company | Bowerston | OH | 1–19 | ◐ LIKELY ACTIVE |
| TOThe Okono Corporation | Palm Springs | CA | — | ◐ LIKELY ACTIVE |
| TOThe Outfit LLC | Carlsbad | NM | — | ◐ LIKELY ACTIVE |
| TRThe Rdi Group General Partnership | Itasca | IL | — | ◐ LIKELY ACTIVE |
| TEThermal Engineering of Arizona, Inc. | Tucson (Pima) | AZ | 20–99 | ◐ LIKELY ACTIVE |
The Technology House - Solon | Solon | OH | 1–19 | ◐ LIKELY ACTIVE |
| TTThe Troublebshooters | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| TVThe Vollrath Company LLC., Kewaunee West | Kewaunee | WI | 20–99 | ◐ LIKELY ACTIVE |
| TWThe Wm. Lang & Sons Co. | Cincinnati | OH | 20–99 | ◐ LIKELY ACTIVE |
| TWThe Wm. Ragsdale CO | Independence | MO | — | ◐ LIKELY ACTIVE |
| TSThink Safety Fence Company, INC. | El Paso | TX | — | ◐ LIKELY ACTIVE |
| TRThirteen RF, Inc. | Murphysboro | IL | 20–99 | ◐ LIKELY ACTIVE |
| TLTH Lemont Inc | Countryside | IL | 20–99 | ◐ LIKELY ACTIVE |
| TITholen Industries LLC | Lynchburg | OH | — | ◐ LIKELY ACTIVE |
| TAThomas a Huey Manufacturing CO | Corona | NM | — | ◐ LIKELY ACTIVE |
| TCThomas Creek Construction | Batesville | AR | 1–19 | ◐ LIKELY ACTIVE |
| TMThomas Machining INC. | Red Oak | TX | — | ◐ LIKELY ACTIVE |
| TPThomas Precision Machinging Inc -LA | Bastrop | LA | 1–19 | ◐ LIKELY ACTIVE |
| TPThomas Precision Machining GA | Gainesville | GA | 1–19 | ◐ LIKELY ACTIVE |
| TPThomas Precision Machining Inc- Corporate | Rice Lake | WI | 100–499 | ◐ LIKELY ACTIVE |
| TPThomas Processing (div of IMA North America Inc) | Leominster | MA | 20–99 | ◐ LIKELY ACTIVE |
| TGThomas-zientz Group INC | Woodstock | IL | — | ◐ LIKELY ACTIVE |
| TPThompson Precision INC | Kalispell | MT | — | ◐ LIKELY ACTIVE |
| TWThompson's Welding Services, INC. | Hamilton | MS | 20–99 | ◐ LIKELY ACTIVE |
| TEThoroughbred Equipment LLC DBA Southern Rail Equipment LLC | Paducah | KY | 1–19 | ◐ LIKELY ACTIVE |
| TBThorough Built LLC- Chattanooga | Chattanooga | TN | 20–99 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Brookley) | Mobile | AL | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Chattanooga 004) | Chattanooga | TN | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Gulfport 005) | Gulfport | MS | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners Inc. (Lewisville) | Lewisville | TX | 1–19 | ◐ LIKELY ACTIVE |