Johnson & Hilliard INC | Kingsport | TN | — | ● ACTIVE |
| JLJonal Laboratories INC | Meriden | CT | — | ● ACTIVE |
Jones Metal, INC. | Mankato | MN | 20–99 | ● ACTIVE |
Jones Metal Products Company LLC | West Lafayette | OH | — | ● ACTIVE |
| JCJ.r. Custom Metal Products, LLC | Wichita | KS | 100–499 | ● ACTIVE |
Jr Metal Works LLC | Kewaunee | WI | 20–99 | ● ACTIVE |
Jx Advanced Metals Usa, INC. | Chandler | AZ | 100–499 | ● ACTIVE |
Kaddas Enterprises INC | Salt Lake City | UT | — | ● ACTIVE |
Kahlenberg Industries, INC. | Two Rivers | WI | 20–99 | ● ACTIVE |
Kaman Composites - Vermont, INC. | Bennington | VT | — | ● ACTIVE |
Kammetal INC. | Naugatuck | CT | — | ● ACTIVE |
Kansas City Structural Steel, INC | Kansas City | MO | — | ● ACTIVE |
Kaso Plastics, INC | Vancouver | WA | 20–99 | ● ACTIVE |
| KIKat Industries INC | Oklahoma City | OK | 20–99 | ● ACTIVE |
Kayden Manufacturing INC | Paterson | NJ | — | ● ACTIVE |
| KSKb Sheetmetal Fabrication, INC. | Fountain Valley | CA | — | ● ACTIVE |
| KHKeith Huber CORP | Gulfport | MS | 100–499 | ● ACTIVE |
| KTKeller Technology Corporation | Tonawanda | NY | 100–499 | ● ACTIVE |
Kell-strom Tool International, INC. | Wethersfield | CT | — | ● ACTIVE |
Kelly Group INC | Fremont | NE | 20–99 | ● ACTIVE |
Kemco Industries, LLC | Sanford | FL | — | ● ACTIVE |
Kennametal INC | New Market | VA | — | ● ACTIVE |
Kennametal INC | Whitehouse | OH | — | ● ACTIVE |
Kennametal INC | Orwell | OH | — | ● ACTIVE |
Kennametal INC. | Solon | OH | — | ● ACTIVE |
Kennedy Name Plate CO | Vernon | CA | — | ● ACTIVE |
Kentucky Machine & Tool CO | Louisville | KY | — | ● ACTIVE |
K & E Plastics, INC. | Bennington | VT | — | ● ACTIVE |
| KCKer Custom Molders INC | Birdsboro | PA | — | ● ACTIVE |
Keystone Machine & Fab, INC | Grafton | OH | — | ● ACTIVE |
K-form, Incorporated | Sterling | VA | — | ● ACTIVE |
| KMKings Mountain International, INC. | Kings Mountain | NC | 20–99 | ● ACTIVE |
| KIKingspan Insulated Panels INC. | Deland | FL | 100–499 | ● ACTIVE |
King Steel, INC. | Lawrenceville | GA | — | ● ACTIVE |
Kinross Fab & Machine INC | Kincheloe | MI | — | ● ACTIVE |
Kirsh Manufacturing INC | Tucson | AZ | — | ● ACTIVE |
Kleeberg Sheet Metal, INC | Ludlow | MA | — | ● ACTIVE |
Klune Industries, INC. | Spanish Fork | UT | — | ● ACTIVE |
Knight Boat Docks, INC. | Deer Park | WA | 1–19 | ● ACTIVE |
Knoll, INC. | East Greenville | PA | 500+ | ● ACTIVE |
Komar Industries, LLC | Groveport | OH | — | ● ACTIVE |
Konrady Plastics, INC. | Portage | IN | 20–99 | ● ACTIVE |
Koroseal Interior Products LLC | Medina | OH | 20–99 | ● ACTIVE |
Kriewall Enterprises INC | Romeo | MI | — | ● ACTIVE |
Kryton Engineered Metals, INC | Cedar Falls | IA | — | ● ACTIVE |
K.s. of West Virginia CO. LTD. | Ravenswood | WV | — | ● ACTIVE |
Kw Custom Controls LLC | South Bend | IN | — | ● 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 |
Lai International, LLC | Westminster | MD | — | ● ACTIVE |
Lake Air Products, LLC | Minneapolis | MN | — | ● ACTIVE |
Lakeshore Cutting Solutions, INC. | Zeeland | MI | — | ● ACTIVE |
Landing Products, INC | Woodland | CA | — | ● ACTIVE |
Lane CO | Minneapolis | MN | — | ● ACTIVE |
| LILanzen INC | Mancelona | MI | 20–99 | ● ACTIVE |
Lasasco INC | Boise | ID | — | ● ACTIVE |
Laser Access LLC | Walker | MI | — | ● ACTIVE |
Laser Craft Technologies, INC. | Gainesville | GA | 100–499 | ● 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 |
| LCL C Metals INC | Austell | GA | — | ● ACTIVE |
Ldi Industries, INC. | Manitowoc | WI | — | ● ACTIVE |
Ldj Manufacturing, INC. | Pella | IA | — | ● ACTIVE |
Lefiell Manufacturing Company | Santa Fe Springs | CA | — | ● ACTIVE |
Legacy Building Solutions, LLC | Saint Augusta | MN | — | ● ACTIVE |
Lehvoss North America INC. | Pawcatuck | CT | 20–99 | ● ACTIVE |
Leininger Cabinet and Woodworking, INC. | Lexington | KY | — | ● ACTIVE |
Lenco Industries, INC. | Pittsfield | MA | — | ● ACTIVE |
Letourneau Plastics, INC. | Oconto | WI | 20–99 | ● ACTIVE |
| LSLevac Specialties INC. | Gold River | CA | — | ● ACTIVE |
Lewis Engineering Company | Marshall | TX | — | ● ACTIVE |
Lewis Steel Works, INC. | Wrens | GA | — | ● ACTIVE |
Liberty Pattern Company, INC. | New Liberty | IA | — | ● ACTIVE |
| LSLiberty Steel Fabrication INC | Fyffe | AL | 20–99 | ● ACTIVE |
Liberty Welding & Iron Works CO | Metairie | LA | — | ● ACTIVE |
Libra Guaymas LLC | Mentor | OH | — | ● ACTIVE |
| LPLights' Prosthetic Eyes, INC. | Peoria | IL | — | ● ACTIVE |
Lindsey Manufacturing CO | Azusa | CA | — | ● ACTIVE |
Linita Design & Mfg. CORP | Lackawanna | NY | 20–99 | ● ACTIVE |
| LILisega, INC. | Kodak | TN | — | ● ACTIVE |
Loc Industries INC | Warren | MI | — | ● ACTIVE |
Lockheed Martin Corporation | Pinellas Park | FL | — | ● ACTIVE |
Lodolce Machine Co, INC | Saugerties | NY | — | ● ACTIVE |
| LMLomont Molding Incorporated | Mount Pleasant | IA | 100–499 | ● ACTIVE |
Lukach Interiors INC | Clifton | NJ | — | ● ACTIVE |
Lyall Turbosonics, INC. | Lake Forest | CA | — | ● ACTIVE |
Lyons Tool & Die Company,the | Meriden | CT | 20–99 | ● ACTIVE |
Mac Cal CO | San Jose | CA | — | ● ACTIVE |
Mach Machine INC | Hudson | MA | — | ● ACTIVE |
Macias Sheet Metal | Los Angeles | CA | — | ● ACTIVE |
Magic Metals, INC. | Union Gap | WA | — | ● ACTIVE |
| MIMagline INC | Standish | MI | 100–499 | ● ACTIVE |
| MCMagna-matic CORP | Waldo | WI | — | ● ACTIVE |
Magnetic Systems International, INC | Boyne City | MI | — | ● ACTIVE |
| MIMahr INC | Providence | RI | 100–499 | ● ACTIVE |
Mannon Metal Works LLC | Lebanon | MO | — | ● ACTIVE |
Manufacturing Sciences Corporation | Oak Ridge | TN | — | ● ACTIVE |