| MSMissouri Smelting Technology INC | Jackson | TN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| MAMizkan America, INC. | Crossville | TN | Food Manufacturing311941 | 100-499 | ◐ LIKELY ACTIVE |
| MMM&m Mars | Cleveland | TN | Food Manufacturing311320 | — | ◐ LIKELY ACTIVE |
| MMM & M Woodworking, Incorporated | Kingsport | TN | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
Modine Manufacturing Company | Lawrenceburg | TN | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| MWMotor Wheel Commercial Vehicle Systems INC | Chattanooga | TN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| MCMueller CO. LLC -- Concrete Batch Plant | Chattanooga | TN | Food Manufacturing311230 | — | ◐ LIKELY ACTIVE |
Musgrave Pencil Company | Shelbyville | TN | Miscellaneous Manufacturing339940 | — | ◐ LIKELY ACTIVE |
| NWNashville Wilbert Burial Vault CO. | Nashville | TN | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| NWNashville Wire Products CO. Material Handling Div. | Nashville | TN | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| NWNashville Wire Products-plating Division | Nashville | TN | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| NPNational Partitions | Knoxville | TN | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| NENew Era INC | Clarksville | TN | Fabricated Metal Product Manufacturing332215 | 20-99 | ◐ LIKELY ACTIVE |
| NNNissan NA INC | Decherd | TN | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
| NMNorco Metal Finishing, INC. | Knoxville | TN | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| NSNsk Steering Systems America, INC | Dyersburg | TN | Plastics and Rubber Products Manufacturing326220 | 100-499 | ◐ LIKELY ACTIVE |
Nuclear Lead Co, INC. | Oak Ridge | TN | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| OFOffice Furniture & Related Services | Nashville | TN | Furniture and Related Product Manufacturing337211 | 20-99 | ◐ LIKELY ACTIVE |
| OPOldcastle Precast | Lebanon | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| OFOliver Fiberglass Products | Hohenwald | TN | Plastics and Rubber Products Manufacturing326191 | — | ◐ LIKELY ACTIVE |
| OMO-n Minerals (luttrell) Company | Luttrell | TN | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| OUOtics Usa, INC. | Sevierville | TN | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| OCOwens Corning Composite Materials, LLC | Jackson | TN | Nonmetallic Mineral Product Manufacturing327212 | — | ◐ LIKELY ACTIVE |
| OCOwens Corning Memphis Asphalt Plant | Memphis | TN | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| PCPackaging CORP of America | Counce | TN | Paper Manufacturing322121 | — | ◐ LIKELY ACTIVE |
| PRPallet Resource, LLC | Chattanooga | TN | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP | Greeneville | TN | Machinery Manufacturing333112 | — | ◐ LIKELY ACTIVE |
| PTParker Trutec Mmi INC. | Sevierville | TN | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| PPPerma Pipe - a Subsidary of Mfri, INC. | Lebanon | TN | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| PFPinnacle Foods Group LLC | Jackson | TN | Food Manufacturing311213 | — | ◐ LIKELY ACTIVE |
| PTPlaskolite Tennessee, LLC | Memphis | TN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PMPlumley Marugo Limited | Paris | TN | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| PMPlus Mark LLC | Afton | TN | Paper Manufacturing322220 | 100-499 | ◐ LIKELY ACTIVE |
| PBPmc Biogenix Memphis Plant | Memphis | TN | Food Manufacturing311225 | — | ◐ LIKELY ACTIVE |
| PCPolyone CORP | Vonore | TN | Chemical Manufacturing325132 | — | ◐ LIKELY ACTIVE |
| PPPolyone Plastic Compounds and Color Groups | Dyersburg | TN | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| PBPratt (georgia Box), INC. | Humboldt | TN | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| PAPraxis Acquisition Companies LLC | Savannah | TN | Plastics and Rubber Products Manufacturing326191 | — | ◐ LIKELY ACTIVE |
| PCPraxis Companies LLC Dba American Whirlpool | Clifton | TN | Plastics and Rubber Products Manufacturing326191 | — | ◐ LIKELY ACTIVE |
| PTPrecision Turning Specialties INC. | Greeneville | TN | Fabricated Metal Product Manufacturing332710 | 20-99 | ▲ REPORTED CLOSED |
| PCPreferred Compounding CORP Wholly Owned By Hexpol Holding INC. Dba Preferred Com | Huntingdon | TN | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| PCPrimex Color, Compounding and Additives | Jasper | TN | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| PNPrinova Nutrition | Spring Hill | TN | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
Purina Animal Nutrition, LLC | Nashville | TN | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| QMQuality Machine & Welding Company, INC. | Knoxville | TN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| QMQuikrete - Memphis, Tn Plant | Memphis | TN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| RMRavago Manufacturing Americas | Manchester | TN | Chemical Manufacturing325991 | 100-499 | ◐ LIKELY ACTIVE |
| ROR.c. Owen Company | Gallatin | TN | Beverage and Tobacco Product Manufacturing312229 | 1-19 | ◐ LIKELY ACTIVE |
| RPReliable Products, INC. | Lobelville | TN | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
| RDRepublic Doors and Frames | Mckenzie | TN | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |