| KTKiraly Tool and Die, Inc. | Youngstown | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KNKitagawa Northtech, INC. | Schaumburg | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KEKitch Engineering, INC. | Pacoima | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KPKk Precision Machining, INC. | San Jose | CA | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| KMK & M Engineering, INC | Marlborough | MA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| KPKmi Processing, LLC. | Minerva | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KMKnight Machine & Tool Company, INC. | South Hadley | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KMKrauss Maffei- Michigan | Brighton | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KIKremin, Inc | Frankenmuth | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KMKuttler Machine | Minerva | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KEKvc Engineering, INC | Parowan | UT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LMLagonda Machine INC | Washington | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LALanic Aerospace LLC | Huntington Beach | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LMLasertech Metal Works Inc. | Peachtree City | GA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LVLa Vigna Precision Manufacturing, INC. | San Jose | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LSLebanon Screw Products INC | Windsor | VT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LHLeech Holdings, LLC | Meadville | PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| LILeelanau Industries INC | Traverse City | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LEL E Sauer Machine CO | Saint Louis | MO | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LPLesleh Precision INC | Rostraver Township | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LCLh Corporation | Dublin | VA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LDLindsey Doors | Indio | CA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LMLinear & Metric, LLC | Londonderry | NH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LMLinmark Machine Products INC. | Union | MO | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LPLionshead Precision Metals | Greenwood | IN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LMLisi Medical Remmele | Big Lake | MN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LELittle Enterprises, LLC | Ipswich | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LTLivingston Tool & Mfg. CO. | O Fallon | MO | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LILkm Industries, INC | Woburn | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LMLowrance Machine Shop | Houston | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LSL & S Metals, Inc. | North Tonawanda | NY | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LTLudlow Tool INC | Agawam | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LCLund Custom Machining, INC | Shelton | WA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MIMachinists INC | Seattle | WA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| MMMadsen Machine Company, INC. | Tuscaloosa | AL | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| MPMagnus Precision Manufacturing INC. | Phelps | NY | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MTMahuta Tool Corp | Germantown | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMal-ber Manufacturing CO. | Huntingdon Valley | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| MSMancor Sc Incorporated | Lugoff | SC | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| MIMantissa Industries INC | Holt | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MTMarca Technologies LLC | Gorham | ME | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MCMaroney Company, LLC | Northridge | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MMMartens Machine Shop LLC | Fairview | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket & Gear GA | Scottdale | GA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMaster Model Craft, INC. | Bristol | TN | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MWMaxwell Welding & Machine | Burgettstown | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MMMcleod Machine Works INC | Beaumont | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMcleod Machine Works, INC. | Beaumont | TX | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMcswain Manufacturing LLC | Cincinnati | OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MPMechanical Precision INC | Flemington | NJ | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |