| KPKksp Precision Machining LLC | Glendale Heights | IL | 20–99 | ● ACTIVE |
Kleeberg Sheet Metal, INC | Ludlow | MA | — | ● ACTIVE |
Klh Industries, INC. | Germantown | WI | — | ● ACTIVE |
Klune Industries, INC. | Spanish Fork | UT | — | ● ACTIVE |
Knighten Machine and Service INC | Odessa | TX | — | ● ACTIVE |
Knust-godwin LLC | Katy | TX | 100–499 | ● ACTIVE |
Komo Machine INC | Lakewood | NJ | — | ● ACTIVE |
Koral Precision LLC | Pinellas Park | FL | — | ● ACTIVE |
Kosmo Machine INC. | Sandston | VA | 20–99 | ● ACTIVE |
Kovlar Precision Manufacturing, INC. | Bedford | PA | 20–99 | ● ACTIVE |
Kriewall Enterprises INC | Romeo | MI | — | ● ACTIVE |
Krisalis Precision Machining | San Andreas | CA | — | ● ACTIVE |
| KMKrobach Mfg. CORP. | Hayward | CA | — | ● ACTIVE |
| KIKro Industries, LLC | Rochester | NY | — | ● ACTIVE |
Kryton Engineered Metals, INC | Cedar Falls | IA | — | ● ACTIVE |
Kurt Manufacturing Company, INC. | Fridley | MN | — | ● ACTIVE |
Lab Crafters, INC. | Ronkonkoma | NY | 100–499 | ● ACTIVE |
La Follette Machine & Tool Company, INC. | La Follette | TN | — | ● ACTIVE |
Lai International, LLC | Westminster | MD | — | ● ACTIVE |
Lake Air Products, LLC | Minneapolis | MN | — | ● ACTIVE |
Lake Engineering INC | Long Lake | MN | — | ● ACTIVE |
Lakes Area Manufacturing CO | Shafer | MN | — | ● ACTIVE |
Lakeshore Cutting Solutions, INC. | Zeeland | MI | — | ● ACTIVE |
La Machine Shop INC | Andover | MN | — | ● ACTIVE |
Land Sea Air Manufacturing, INC. | Westminster | MD | — | ● ACTIVE |
| LILanzen INC | Mancelona | MI | 20–99 | ● ACTIVE |
Larson Systems, INC. | Ham Lake | MN | — | ● ACTIVE |
Lasasco INC | Boise | ID | — | ● ACTIVE |
Laser Cutting CO | Harrison Township | MI | — | ● ACTIVE |
Laserform LLC | De Pere | WI | — | ● ACTIVE |
Laser Masters, INC. | Houston | TX | 20–99 | ● ACTIVE |
Laser North, INC | Baraga | MI | 20–99 | ● ACTIVE |
Laser Specialists, INC. | Fraser | MI | — | ● ACTIVE |
| LMLathrom Manufacturing INC | Wichita | KS | — | ● ACTIVE |
Layne West Manufacturing LLC | Boise | ID | — | ● ACTIVE |
L & B Laboratories INC | San Jose | CA | — | ● ACTIVE |
| LCL C Metals INC | Austell | GA | — | ● ACTIVE |
Ldi Industries, INC. | Manitowoc | WI | — | ● ACTIVE |
| LELeading Edge Manufacturing, LLC | Phoenix | AZ | — | ● ACTIVE |
Lean Manufacturing Group LLC | Valencia | CA | — | ● ACTIVE |
Leese & CO INC | Greensburg | PA | — | ● ACTIVE |
Lenco Industries, INC. | Pittsfield | MA | — | ● ACTIVE |
| LELentros Engineering, INC. | Ashland | MA | — | ● ACTIVE |
Leonard Machine Co, LLC | Cookeville | TN | — | ● ACTIVE |
Levan Machine CO INC | Fleetwood | PA | 20–99 | ● ACTIVE |
Lewis Precision & Cnc INC | Theodore | AL | — | ● ACTIVE |
L.f. Industries, INC. | Carlsbad | CA | — | ● ACTIVE |
Lg Metalworks LLC | Bloomington | IN | — | ● ACTIVE |
L.h. Thomson Company, INC. | Macon | GA | — | ● ACTIVE |
| LTLiberty Tool INC | Sterling Heights | MI | — | ● ACTIVE |
Liberty Welding & Iron Works CO | Metairie | LA | — | ● ACTIVE |
Lightning Aerospace LLC | Park City | KS | — | ● ACTIVE |
Lincoln Structural Solutions LLC | Louisville | NE | — | ● ACTIVE |
Lindsay Machine Works, INC | Independence | MO | — | ● ACTIVE |
Linear Machining Technology LLC | Irwin | PA | — | ● ACTIVE |
Ll Brown INC | Enola | PA | — | ● ACTIVE |
L & M Machining Corporation | Placentia | CA | — | ● ACTIVE |
Lockheed Martin Corporation | Pinellas Park | FL | — | ● ACTIVE |
Lodolce Machine Co, INC | Saugerties | NY | — | ● ACTIVE |
Long Machine, INC | Temecula | CA | — | ● ACTIVE |
Loughmiller Machine, Tool & Design | Loogootee | IN | 20–99 | ● ACTIVE |
Louis C Morin CO INC | North Billerica | MA | — | ● ACTIVE |
Loutech LLC | Chino | CA | — | ● ACTIVE |
Lynchburg Machining, LLC | Lynchburg | VA | — | ● ACTIVE |
Lynco Grinding Company INC | Bell Gardens | CA | — | ● ACTIVE |
Lzk Manufacturing, INC | Shrewsbury | PA | — | ● ACTIVE |
M-1 Tool Works, INC. | Mchenry | IL | 20–99 | ● ACTIVE |
| MPM3 Precision, LLC | Santa Maria | CA | 20–99 | ● ACTIVE |
Mac Cal CO | San Jose | CA | — | ● ACTIVE |
Machine and Components Industries, INC | Louisville | KY | — | ● ACTIVE |
Machine Sciences CORP | Tualatin | OR | 100–499 | ● ACTIVE |
| MSMachine Specialties, LLC | Whitsett | NC | — | ● ACTIVE |
Machinewell, INC. | Grygla | MN | — | ● ACTIVE |
Machineworks Manufacturing | Northridge | CA | — | ● ACTIVE |
Machinist Group LLC | Reno | NV | 20–99 | ● ACTIVE |
Machintek CO | Fairfield | OH | 20–99 | ● ACTIVE |
Macias Sheet Metal | Los Angeles | CA | — | ● ACTIVE |
| MMMackay Manufacturing INC | Spokane | WA | 100–499 | ● ACTIVE |
Mackenzie Machine & Design INC | Pembroke | MA | — | ● ACTIVE |
Mac Products, INC | Kearny | NJ | — | ● ACTIVE |
Mactech Incorporated | Red Wing | MN | — | ● ACTIVE |
Madison Defense Research LLC | Waunakee | WI | — | ● ACTIVE |
Magic Metals, INC. | Union Gap | WA | — | ● ACTIVE |
Magna Tool INC. | Cypress | CA | — | ● ACTIVE |
| MMMagnum Machine INC. | Raymond | NH | — | ● ACTIVE |
Malone Industrial Machine, L.l.c. | Deer Park | TX | 20–99 | ● ACTIVE |
Maney Aircraft, INC. | Ontario | CA | — | ● ACTIVE |
| MTManitowoc Tool & Machining LLC | Manitowoc | WI | 100–499 | ● ACTIVE |
Mantel Machine Products INC. | Menomonee Falls | WI | 20–99 | ● ACTIVE |
| MSManufacturing Solutions, INC | Newton | KS | 20–99 | ● ACTIVE |
| MTMapp Technologies, L.l.c. | Joplin | MO | 100–499 | ● ACTIVE |
M.a.r.'s Engineering Company, INC. | San Leandro | CA | — | ● ACTIVE |
| MMMarten Machining, INC. | Stevens Point | WI | 20–99 | ● ACTIVE |
Martinez and Turek, INC. | Rialto | CA | — | ● ACTIVE |
Martin Machine & Welding INC | Halstead | KS | — | ● ACTIVE |
Marton Precision Manufacturing, LLC | Fullerton | CA | 20–99 | ● ACTIVE |
Marx Digital Mfg. INC. | Santa Clara | CA | — | ● ACTIVE |
Mass Precision, INC. | San Jose | CA | — | ● ACTIVE |
Masterbilt INC | South Bend | IN | — | ● ACTIVE |
Master Machining, INC | Castle Hayne | NC | — | ● ACTIVE |