| KMKrobach Mfg. CORP. | Hayward | CA | — | ● ACTIVE |
| KIKro Industries, LLC | Rochester | NY | — | ● ACTIVE |
| KCKryler CORP | Fullerton | CA | 20–99 | ● ACTIVE |
Kryton Engineered Metals, INC | Cedar Falls | IA | — | ● ACTIVE |
K.s. of West Virginia CO. LTD. | Ravenswood | WV | — | ● ACTIVE |
Kurt Manufacturing Company, INC. | Fridley | MN | — | ● ACTIVE |
Kurtz Bros. | Clearfield | PA | — | ● ACTIVE |
| KIKvo Industries INC | Santa Rosa | CA | — | ● ACTIVE |
L3 Technologies, INC. | Wilmington | MA | — | ● ACTIVE |
Lab Crafters, INC. | Ronkonkoma | NY | 100–499 | ● ACTIVE |
La Follette Machine & Tool Company, INC. | La Follette | TN | — | ● ACTIVE |
La Frenz Pattern Company, Incorporated | Moline | IL | — | ● ACTIVE |
Laibe, LLC | Indianapolis | IN | — | ● ACTIVE |
Lai International, LLC | Westminster | MD | — | ● ACTIVE |
Lake Air Products, LLC | Minneapolis | MN | — | ● ACTIVE |
Lake County Press INC | Waukegan | IL | — | ● ACTIVE |
Lake Engineering INC | Long Lake | MN | — | ● ACTIVE |
Lakes Area Manufacturing CO | Shafer | MN | — | ● ACTIVE |
Lakeshore Cutting Solutions, INC. | Zeeland | MI | — | ● ACTIVE |
Lake Shore Systems, INC | Iron River | MI | — | ● ACTIVE |
| LILallypak INC | Hillside | NJ | 20–99 | ● ACTIVE |
La Machine Shop INC | Andover | MN | — | ● ACTIVE |
Lanco Manufacturing CORP | San Lorenzo | PR | — | ● ACTIVE |
Land Sea Air Manufacturing, INC. | Westminster | MD | — | ● ACTIVE |
| LILanzen INC | Mancelona | MI | 20–99 | ● ACTIVE |
Laplume & Sons Printing, INC | Lawrence | MA | — | ● ACTIVE |
Larson Systems, INC. | Ham Lake | MN | — | ● ACTIVE |
Lasasco INC | Boise | ID | — | ● ACTIVE |
Laser Access LLC | Walker | MI | — | ● 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 |
Laserstar Technologies Corporation | Orlando | FL | 20–99 | ● ACTIVE |
Lasers Unlimited, INC. | Grand Rapids | MI | — | ● ACTIVE |
| LMLathrom Manufacturing INC | Wichita | KS | — | ● ACTIVE |
Layke Tool and Manufacturing CO | Meadville | PA | — | ● 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 |
| LILeachgarner, INC. | Attleboro | MA | 100–499 | ● ACTIVE |
| LELeading Edge Manufacturing, LLC | Phoenix | AZ | — | ● ACTIVE |
Lean Manufacturing Group LLC | Valencia | CA | — | ● ACTIVE |
Leanwerks LLC | Ogden | UT | — | ● ACTIVE |
Leese & CO INC | Greensburg | PA | — | ● ACTIVE |
Lefiell Manufacturing Company | Santa Fe Springs | CA | — | ● ACTIVE |
Lellyett & Rogers Company | Nashville | TN | — | ● ACTIVE |
Lenco Industries, INC. | Pittsfield | MA | — | ● ACTIVE |
| LELentros Engineering, INC. | Ashland | MA | — | ● ACTIVE |
Leonard Machine Co, LLC | Cookeville | TN | — | ● ACTIVE |
Leroy Tool & Die INC | Leroy | MI | — | ● ACTIVE |
| LSLevac Specialties INC. | Gold River | CA | — | ● ACTIVE |
Levan Machine CO INC | Fleetwood | PA | 20–99 | ● ACTIVE |
Levil Technology, CORP. | Oviedo | FL | — | ● ACTIVE |
| LBLewis Bolt & Nut Company | La Junta | CO | 100–499 | ● ACTIVE |
Lewis Engineering Company | Marshall | TX | — | ● ACTIVE |
Lewis Precision & Cnc INC | Theodore | AL | — | ● ACTIVE |
Lewis Steel Works, INC. | Wrens | GA | — | ● ACTIVE |
L.f. Industries, INC. | Carlsbad | CA | — | ● ACTIVE |
Lg Metalworks LLC | Bloomington | IN | — | ● ACTIVE |
| LMLh Medical | Fort Wayne | IN | — | ● ACTIVE |
L.h. Thomson Company, INC. | Macon | GA | — | ● ACTIVE |
Liberty Clark INC | Elk River | MN | — | ● ACTIVE |
| LTLiberty Tool INC | Sterling Heights | MI | — | ● ACTIVE |
Liberty Turned Components, LLC | Milan | MI | — | ● ACTIVE |
Liberty Welding & Iron Works CO | Metairie | LA | — | ● ACTIVE |
Libra Guaymas LLC | Mentor | OH | — | ● ACTIVE |
Lightning Aerospace LLC | Park City | KS | — | ● ACTIVE |
| LDLightning Diversion Systems, LLC | Huntington Beach | CA | 1–19 | ● ACTIVE |
Lillicrap INC. | Davenport | IA | — | ● ACTIVE |
Linak U.s. INC. | Louisville | KY | — | ● ACTIVE |
Lincoln Structural Solutions LLC | Louisville | NE | — | ● ACTIVE |
Lindsay Machine Works, INC | Independence | MO | — | ● ACTIVE |
Linear Machining Technology LLC | Irwin | PA | — | ● ACTIVE |
Linita Design & Mfg. CORP | Lackawanna | NY | 20–99 | ● ACTIVE |
| LCLink-belt Cranes, L.p., Lllp | Lexington | KY | 500+ | ● ACTIVE |
| LILisega, INC. | Kodak | TN | — | ● ACTIVE |
Littkare LLC | Marietta | GA | — | ● ACTIVE |
Little England LLC | Prescott | AZ | — | ● 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 |
Log & Timber Connections LLC | Macon | GA | — | ● ACTIVE |
Long Island Screen Printing INC | Medford | NY | 20–99 | ● ACTIVE |
Long-lok LLC | Cincinnati | OH | — | ● ACTIVE |
Long-lok, LLC | Carson | CA | — | ● ACTIVE |
Long Machine, INC | Temecula | CA | — | ● ACTIVE |
Louca Mold & Aerospace Machining, INC | Auburn Hills | MI | — | ● ACTIVE |
Loughmiller Machine, Tool & Design | Loogootee | IN | 20–99 | ● ACTIVE |
Louis C Morin CO INC | North Billerica | MA | — | ● ACTIVE |
Loutech LLC | Chino | CA | — | ● ACTIVE |
Lovejoy Chaplet CORP | Hoosick Falls | NY | — | ● ACTIVE |
L & P Manufacturing Company | Jonesville | IN | — | ● ACTIVE |
L S Industries, INC | Wichita | KS | 20–99 | ● ACTIVE |
Lymtal International INC | Lake Orion | MI | — | ● ACTIVE |
Lynchburg Machining, LLC | Lynchburg | VA | — | ● ACTIVE |
Lynco Grinding Company INC | Bell Gardens | CA | — | ● ACTIVE |