| MPMagnum Press, INC. | Adamsville | — | ◇ UNVERIFIED |
| MSMaintenance Service CORP Southern Divisi | La Vergne | — | ◇ UNVERIFIED |
| MTManchester Tank Financial INC | Franklin | — | ◇ UNVERIFIED |
| MIManess, INC. | Martin | — | ◇ UNVERIFIED |
| MMMASCO Metals LLC | Memphis | — | ◇ UNVERIFIED |
| MCMaster Craft Tool CO | Carthage | — | ◇ UNVERIFIED |
| MDMatrix Drilling Products Co | Lewisburg | — | ◇ UNVERIFIED |
| MMMccroskey Machine & Tool | Manchester | — | ◇ UNVERIFIED |
| MCM & C Forklift Services, INC. | Knoxville | — | ◇ UNVERIFIED |
| MCM & C Forklift Services INC Dba Leader Industrial | Knoxville | — | ◇ UNVERIFIED |
| MFMckee Foods Corporation | Collegedale | — | ◇ UNVERIFIED |
| MMMc Minnville Screw Machine INC | Mcminnville | — | ◇ UNVERIFIED |
| MFMega Fabrication INC | Jackson | — | ◇ UNVERIFIED |
| MCMelink Corporation | Knoxville | — | ◇ UNVERIFIED |
| MBMemphis Blow Pipe Co* | Memphis | — | ◇ UNVERIFIED |
| MQMetal Quest INC | Portland | — | ◇ UNVERIFIED |
| MCMidland-ross CORP | Paris | — | ◇ UNVERIFIED |
| MSMid South Automation, Inc. | Cookeville | — | ◇ UNVERIFIED |
| MAMid-south Automotive Head Service | Millington | — | ◇ UNVERIFIED |
| MMMiller Machine Works | Henderson | — | ◇ UNVERIFIED |
| MSMitchell & Son INC | Memphis | — | ◇ UNVERIFIED |
| MPMoeller Precision Tool | Antioch | — | ◇ UNVERIFIED |
| MDMoore Dry Kiln Company of Ore* | Memphis | — | ◇ UNVERIFIED |
| MCMtd Consumer Group INC. | Martin | — | ◇ UNVERIFIED |
| MIMurray INC | Lawrenceburg | — | ◇ UNVERIFIED |
| MMMurray Machine Tool CO | Gallatin | — | ◇ UNVERIFIED |
| NANashville Auto Service and Motor Sports | Nashville | — | ◇ UNVERIFIED |
| NDNational Die & Machine Works | Memphis | — | ◇ UNVERIFIED |
| NDNational Die & Machine Works* | Memphis | — | ◇ UNVERIFIED |
| NPNational Parts Corporation | Murfreesboro | — | ◇ UNVERIFIED |
| NPNational Precision Machining Service, INC. | Franklin | — | ◇ UNVERIFIED |
| NSNational Systems, INC. | Nashville | — | ◇ UNVERIFIED |
| NPNeely Precision LLC | Gallatin | — | ◇ UNVERIFIED |
| OCO & C Services, INC. | Lebanon | — | ◇ UNVERIFIED |
| OHOld Hickory Tool & Die LP | White House | — | ◇ UNVERIFIED |
| PTParis Tool and Die CO. INC. | Paris | — | ◇ UNVERIFIED |
| PCParker-hannifin Corporation | Sharon | — | ◇ UNVERIFIED |
| PTPerfection Tool Co., INC | Hendersonville | — | ◇ UNVERIFIED |
| PTPeterson Tool Company, INC. | Nashville | — | ◇ UNVERIFIED |
| PLPfp, LLC | Lebanon | — | ◇ UNVERIFIED |
| PPPierce Packaging Company | Ripley | — | ◇ UNVERIFIED |
| PSPioneer Steel Corporation | Franklin | — | ◇ UNVERIFIED |
| PTPrecise Tool & Gage Co., INC. | Oak Ridge | — | ◇ UNVERIFIED |
 Precision International Incorporated | Tullahoma | — | ◇ UNVERIFIED |
| PPPrecision Products, Inc., Sudsidiary of | Springfield | — | ◇ UNVERIFIED |
| PSPugmill Systems, INC. | Columbia | — | ◇ UNVERIFIED |
| QCQuad Cities Machine Shop | Blountville | — | ◇ UNVERIFIED |
| QWQualls Welding & Machine Shop | Milan | — | ◇ UNVERIFIED |
| RLRalph Lynn Jr Dba Titan Gage INC | White House | — | ◇ UNVERIFIED |
| RMRees Memphis INC | Memphis | — | ◇ UNVERIFIED |
