| KBKirby Building Systems | Portland | — | ◐ LIKELY ACTIVE |
| MCMeco Corporation | Greeneville | 100–499 | ◐ LIKELY ACTIVE |
| MAMft Acquisition CORP. (gerdau Ameristeel Formerly Operated at This Site) | Arlington | — | ◐ LIKELY ACTIVE |
| MWMidsouth Wire | Nashville | — | ◐ LIKELY ACTIVE |
| NWNashville Wire Products CO. Material Handling Div. | Nashville | — | ◐ LIKELY ACTIVE |
| NWNashville Wire Products-plating Division | Nashville | — | ◐ LIKELY ACTIVE |
| NPNational Partitions | Knoxville | 20–99 | ◐ LIKELY ACTIVE |
| NENew Era INC | Clarksville | 20–99 | ◐ LIKELY ACTIVE |
| NMNorco Metal Finishing, INC. | Knoxville | 1–19 | ◐ LIKELY ACTIVE |
Nucor Steel Memphis INC | Memphis | 500+ | ◐ LIKELY ACTIVE |
| OUOtics Usa, INC. | Sevierville | — | ◐ LIKELY ACTIVE |
| PTParker Trutec Mmi INC. | Sevierville | 20–99 | ◐ LIKELY ACTIVE |
| PPPerma Pipe - a Subsidary of Mfri, INC. | Lebanon | — | ◐ LIKELY ACTIVE |
| PTPrecision Turning Specialties INC. | Greeneville | 20–99 | ▲ REPORTED CLOSED |
| QMQuality Machine & Welding Company, INC. | Knoxville | 20–99 | ◐ LIKELY ACTIVE |
| RDRepublic Doors and Frames | Mckenzie | 100–499 | ◐ LIKELY ACTIVE |
| RRocore-knoxville | Knoxville | — | ◐ LIKELY ACTIVE |
Sonoco Products Company | Memphis | — | ◐ LIKELY ACTIVE |
| SPSouthern Plating INC. | Savannah | 1–19 | ◐ LIKELY ACTIVE |
| SMSummertown Metals LLC | Summertown | 100–499 | ◐ LIKELY ACTIVE |
| TFTate Fabricating Company, INC | White House | 20–99 | ◐ LIKELY ACTIVE |
| UDUS Doe Y-12 Natl Security Complex - Bld Y-12 | Oak Ridge | — | ◐ LIKELY ACTIVE |
| VMVestal Manufacturing Company | Sweetwater | 100–499 | ◐ LIKELY ACTIVE |
| WSWylie Steel Fabricators INC | Springfield | 20–99 | ◐ LIKELY ACTIVE |
| YTYoung Touchstone, Subside. of Wabtec Cor | Lexington | — | ◐ LIKELY ACTIVE |
| AIAnvil Intl INC | Henderson | — | ◐ LIKELY ACTIVE |
| BMBall Metal Food Container CORP | Dandridge | — | ◐ LIKELY ACTIVE |
| BBBig Bend Galvanizing, F/k/a Monnig Industries Spec Building Finish Out | Trenton | — | ◐ LIKELY ACTIVE |
| BDBlack & Decker US INC Porter-cable Div | Jackson | — | ◐ LIKELY ACTIVE |
| CLCamcar LLC - Spencer Operations | Spencer | — | ◐ LIKELY ACTIVE |
| DFDelta Facuet CO of Tennessee | Jackson | — | ◐ LIKELY ACTIVE |
| DRDole Refrigerating Company | Lewisburg | — | ◐ LIKELY ACTIVE |
| EBEagle Bend Manufacturing | Clinton | — | ◐ LIKELY ACTIVE |
| EPEnergizer Personal Care | Knoxville | — | ◐ LIKELY ACTIVE |
| FBFulton Bellows LLC | Knoxville | — | ◐ LIKELY ACTIVE |
| HCHarper-wyman Company | Chattanooga | — | ◐ LIKELY ACTIVE |
| ICIdeal Clamp Products Fka Tridon Products | Smyrna | — | ◐ LIKELY ACTIVE |
| KBKoyo Bearings North America, LLC | Telford | — | ◐ LIKELY ACTIVE |
| LLLochinvar LLC | Lebanon | — | ◐ LIKELY ACTIVE |
| MSMarshall Steel Incorporated | Memphis | — | ◐ LIKELY ACTIVE |
| PPPaulo Prods CO | Murfreesboro | — | ◐ LIKELY ACTIVE |
| SASouth Atlantic Galvanizing | Chattanooga | — | ◐ LIKELY ACTIVE |
| SDSquare D Company | Smyrna | — | ◐ LIKELY ACTIVE |
| TTTn Tennessee Llc, Erwin Plant | Erwin | — | ◐ LIKELY ACTIVE |
| VCVan Can Company | Trenton | — | ◐ LIKELY ACTIVE |
| YTYoung Touchstone | Jackson | — | ◐ LIKELY ACTIVE |
| AFAmerican Fabricators, INC. | Nashville | — | ◇ UNVERIFIED |
Big Bore, LLC | Henry | — | ◐ LIKELY ACTIVE |
Black Armor Guns LLC | Indian Mound | — | ◐ LIKELY ACTIVE |
Jf Superior Machine, LLC | Maryville | — | ◐ LIKELY ACTIVE |