| LPLebanon Plant | Lebanon | TN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| LMLyon Metal Roofing Greeneville | Greeneville | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LMLyon Metal Roofing Morristown | Morristown | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LMLyon Metal Roofing Plant | Piney Flats | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LMLyon Metal Roofing Showroom | Piney Flats | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MPMachined Products Co., INC. | Knoxville | TN | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| MMMag7 Machining, LLC | Lynnville | TN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MOMain Office - 009 | Memphis | TN | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| MTMartin Tool and Die, Incorporated | South Fulton | TN | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| MDMasonite Dickson | Dickson | TN | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| MMMaster Manufacturing Group | Dayton | TN | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| MHMaterial Handling Division | Nashville | TN | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| MBMatthew Bonanno | Jacksboro | TN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| MBMaxsteel Buildings Murfreesboro | Murfreesboro | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MLMazzella Lifting Technologies (Chattanooga, TN) | Chattanooga | TN | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| MLMazzella Lifting Technologies (Distribution Center) | Memphis | TN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| MLMazzella Lifting Technologies (Memphis) | Memphis | TN | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| MMcEwen | Mcewen | TN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| MPMcEwen Plant 2 | Mcewen | TN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| MMMckinney Machine LLC | Athens | TN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MEM. E. Industries, INC. | Cookeville | TN | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| MDMelas Defense Systems, INC. | Knoxville | TN | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| MMMellon Manufacturing and Logistics LLC | Ooltewah | TN | Plastics and Rubber Products Manufacturing326112 | — | ◐ LIKELY ACTIVE |
| MSMetal Sales Manufacturing Corp - Nashville | Antioch | TN | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| MSMetal Solutions - Morrison | Morrison | TN | Fabricated Metal Product Manufacturing332311 | 1-19 | ◐ LIKELY ACTIVE |
| MDMetro Door LLC | Lewisburg | TN | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| MMillington | Millington | TN | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| MFMiyake Forging North America | Surgoinsville | TN | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| MFModern Forge | Piney Flats | TN | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| MIMorton Industries Dunlap LLC | Dunlap | TN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MRMPP Rockwood | Rockwood | TN | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| MTMultimatic Tennessee, LLC | Lewisburg | TN | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| MCMusic City Sheet Metal LLC | Nashville | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| NPNeo Products Corporation Manufacturing Group | Henderson | TN | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| NGNIC Global-TN | Gallatin | TN | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| NSNIC - Steam Plant | Gallatin | TN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| NENl Enterprises, LLC | Franklin | TN | Fabricated Metal Product Manufacturing332992 | — | ◐ LIKELY ACTIVE |
| NINmc INC. | Nashville | TN | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| OTOEM Tube Assemblies - Clarksville | Clarksville | TN | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| OOMS-Kingsport | Kingsport | TN | Fabricated Metal Product Manufacturing332313 | 1-19 | ◐ LIKELY ACTIVE |
| OMOrison Manufacturing Company | Greenbrier | TN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PTParker Trutec | Kodak | TN | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
Patrick Industries/Business Unit 725 MMC | Madison | TN | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| PPennant-Lebanon | Lebanon | TN | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| P3Planet 3 Machining Solutions LLC | Union City | TN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| P6Powderworx 615 LLC | Burns | TN | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| PMPrecision Machine, Incorporated | Mc Ewen | TN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PGPremier Global Production Company INC | Madison | TN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| PSProcess Supply, INC. | Kingsport | TN | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| PFPTL Fabricators | Clarksville | TN | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |