| IPItw Powertrain Fastening | Lexington | — | ◇ UNVERIFIED |
| IRItw Ramset | Paris | — | ◇ UNVERIFIED |
| JTJackson Tool - Mold LLC | Hebron | — | ◇ UNVERIFIED |
| JIJasper Iron & Metal CO | London | — | ◇ UNVERIFIED |
| JGJay Gee Manufacturing a Div of Griffin Industries | Butler | — | ◇ UNVERIFIED |
| JCJecm Corporation Dba Bowling Green Machine - Weld | Richardsville | — | ◇ UNVERIFIED |
| JOJennmar of West Kentucky, INC. | Earlington | — | ◇ UNVERIFIED |
| JJJ & J Tool Company INC | Louisville | — | ◇ UNVERIFIED |
| JMJones Machine | Dawson Springs | — | ◇ UNVERIFIED |
| JBJudd Brothers Machine | Louisville | — | ◇ UNVERIFIED |
| KWKck Welding | Madisonville | — | ◇ UNVERIFIED |
| KAKentucky Advanced Forge LLC | Georgetown | — | ◇ UNVERIFIED |
| KMKentucky Metal Products | Louisville | — | ◇ UNVERIFIED |
| KMKentucky Mountain Industries INC | Manchester | — | ◇ UNVERIFIED |
| KMKentucky Mountain Industries INC | Wildcat | — | ◇ UNVERIFIED |
| KIKy Industrial Coatings LLC | Frankfort | — | ◇ UNVERIFIED |
| LWLawless Welding INC | Webbs Cross Roads | — | ◇ UNVERIFIED |
| LBL B Foster Company | Newport | — | ◇ UNVERIFIED |
| LDLesco Design & Manufacturing CO INC | La Grange | — | ◇ UNVERIFIED |
| LMLewis Metal Works, INC. | Harrodsburg | — | ◇ UNVERIFIED |
| LRLicking River Castings | Falmouth | — | ◇ UNVERIFIED |
| LMLily Machine Shop INC | Lily | — | ◇ UNVERIFIED |
| LILivermore Ind Plating INC | Livermore | — | ◇ UNVERIFIED |
| LELouisville Exchanger - Vessel INC | Okolona | — | ◇ UNVERIFIED |
| MMMadison-smith Machine & Tool CO LLC | Glasgow | — | ◇ UNVERIFIED |
| MMMagna-tech Manufacturing LLC | Florence | — | ◇ UNVERIFIED |
| MLMainline LLC | Shelby Gap | — | ◇ UNVERIFIED |
| MSMartha S Materials INC | Lexington | — | ◇ UNVERIFIED |
| MMMartin Metalwork LLC | Berea | — | ◇ UNVERIFIED |
| MHMartinrea Heavy Stamping, INC. | Shelbyville | — | ◇ UNVERIFIED |
| MMMeade Metals, Inc. | Elizabethtown | — | ◇ UNVERIFIED |
| MIMestek INC | Florence | — | ◇ UNVERIFIED |
| MNMetals N More INC | Bowling Green | — | ◇ UNVERIFIED |
 Metal Solutions Design & Fabrication LLC | Florence | — | ◇ UNVERIFIED |
| MCMid Continent Spring Company | Hopkinsville | — | ◇ UNVERIFIED |
| MPMid Park Dba Roadway Construction Products 2 | Leitchfield | — | ◇ UNVERIFIED |
| MDMike & Den Property Management, LLC | Louisville | — | ◇ UNVERIFIED |
| MFMillennium Forge, INC. | Louisville | — | ◇ UNVERIFIED |
| MWMillers Welding and Fabrication INC | West Point | — | ◇ UNVERIFIED |
| MMMisa Metal Fabricating INC | Pleasure Ridge Park | — | ◇ UNVERIFIED |
| MUMiyama U.s.a., INC. | Louisville | — | ◇ UNVERIFIED |
| MPModern Plating Coatings and Finishes LLC | Glendale | — | ◇ UNVERIFIED |
| MWModern Welding CO of Ky | Bowling Green | — | ◇ UNVERIFIED |
| MMMonticello Machine Shop INC | Monticello | — | ◇ UNVERIFIED |
| MMMorehead Machining, INC. | Morehead | — | ◇ UNVERIFIED |
| MTMountain Town Machine CORP | Mount Sterling | — | ◇ UNVERIFIED |
| MNMubea North America Shared Services INC | Florence | — | ◇ UNVERIFIED |
| MPMubea Precision Springs | Florence | — | ◇ UNVERIFIED |
| NWNashville Wire Products CO | Frankfort | — | ◇ UNVERIFIED |
| NCNational Chimney Kentucky LLC Dba Magnaflex | Mount Sterling | — | ◇ UNVERIFIED |
