The Technology House - Solon | Solon | OH | 1–19 | ◐ LIKELY ACTIVE |
| TTThe Think Tank 3-d CORP | Detroit | MI | — | ▲ REPORTED CLOSED |
The Toolroom Inc. | Owenville | MO | 20–99 | ◐ LIKELY ACTIVE |
| TVThe Vollrath Company LLC., Kewaunee West | Kewaunee | WI | 20–99 | ◐ LIKELY ACTIVE |
| TWThe Whalen Company | Easton | MD | 20–99 | ◐ LIKELY ACTIVE |
| TWThe W.w. Williams Company, LLC | Akron | OH | — | ◐ LIKELY ACTIVE |
| TWThe W.w. Williams Company, LLC | Dearborn | MI | — | ◐ LIKELY ACTIVE |
| TLTH Lemont Inc | Countryside | IL | 20–99 | ◐ 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 |
| TMThompson Manufacturing Inc. | Cambridge | MN | 20–99 | ◐ LIKELY ACTIVE |
| TPThompson Precision INC | Kalispell | MT | — | ◐ LIKELY ACTIVE |
| TSThompson Surgical Instruments | Traverse City | MI | 100–499 | ◐ LIKELY ACTIVE |
| TWThompson's Welding Services, INC. | Hamilton | MS | 20–99 | ◐ LIKELY ACTIVE |
| TIThormed Innovation LLC | Dallas | TX | — | ◐ LIKELY ACTIVE |
| TThorofare | Thorofare | NJ | 100–499 | ◐ 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 |
| TSThor Solutions LLC | Panama City | FL | — | ◐ 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 |
Threaded Fasteners, Inc. (Meridian 055) | Meridian | MS | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Panama City 008) | Panama City | FL | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Pensacola 003) | Pensacola | FL | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Semmes 002) | Semmes | AL | 20–99 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Tampa 007) | Tampa | FL | 20–99 | ◐ LIKELY ACTIVE |
Threaded Fasteners, Inc. (Tulsa 006) | Tulsa | OK | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners (Morris Hill) | Semmes | AL | 20–99 | ◐ LIKELY ACTIVE |
Threaded Fasteners - Thomasville | Thomasville | GA | 1–19 | ◐ LIKELY ACTIVE |
Threaded Fasteners (Tifton) | Tifton | GA | 1–19 | ◐ LIKELY ACTIVE |
| TMThs Machine, INC. | Hampden | ME | — | ◐ LIKELY ACTIVE |
| TFThunderbird Fasteners, LLC | Hobbs | NM | — | ◐ LIKELY ACTIVE |
| TMThunderbird Metals North | Elk Grove Village | IL | 100–499 | ◐ LIKELY ACTIVE |
| TIThunderbolt Industries LLC | Phoenix | AZ | — | ◐ LIKELY ACTIVE |
| TThybar | Jacksonville | FL | 20–99 | ◐ LIKELY ACTIVE |
| TMThybar/Burt mfg | Akron | OH | 20–99 | ◐ LIKELY ACTIVE |
| TCThybar Corporation | Louisville | KY | 20–99 | ◐ LIKELY ACTIVE |
| TCThybar Corporation | Farmers Branch | TX | 20–99 | ◐ LIKELY ACTIVE |
| TCThybar Corporation - IL | Addison | IL | 20–99 | ◐ LIKELY ACTIVE |
| TSthyssenkrupp System Engineering, Inc. | Auburn Hills | MI | 100–499 | ◐ LIKELY ACTIVE |
| TMTICO Manufacturing A Division of Terminal Investment Corp | Ridgeland | SC | 100–499 | ◐ LIKELY ACTIVE |
| TFTidewater Fasteners INC. | Norfolk | VA | — | ◐ LIKELY ACTIVE |
| T1Tier 1 Aerospace LLC | Ventura | CA | — | ◐ LIKELY ACTIVE |
| TITifco Industries, INC. | Cypress | TX | — | ◐ LIKELY ACTIVE |