| ISIndustrial Support INC | Buffalo | NY | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| ILInpro/seal LLC | Rock Island | IL | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| IGInternational Galvanizers | Beaumont | TX | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| ISIowa Steel & Wire CO INC | Centerville | IA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| JIJcm Industries | Nash | TX | Fabricated Metal Product Manufacturing332911 | 100-499 | ◐ LIKELY ACTIVE |
| JLJcp LLC | Saginaw | MI | Fabricated Metal Product Manufacturing332212 | 20-99 | ◐ LIKELY ACTIVE |
| JHJewell Hudgens, INC | Lufkin | TX | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| JLJ L Houston | Hopkins | MO | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| JDJohn Deere Turf Care | Fuquay Varina | NC | Fabricated Metal Product Manufacturing332812 | 500+ | ◐ LIKELY ACTIVE |
| JMJustrite Manufacturing CO | Mattoon | IL | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| KCKansas City Remanufacturing Services | Kansas City | MO | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| KFKeystone Forging CO | Northumberland | PA | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| KPKeystone Powdered Metal Co/lewis Run | Lewis Run | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| KPKeystone Powdered Metal CO - St Marys Facility | Saint Marys | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| KSKeystone Screw Corp/willow Grove | Willow Grove | PA | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| KLKoch-glitsch LP | Wichita | KS | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| KGKorns Galvanizing CO INC | Johnstown | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| KKKowa Kentucky , INC. | Corbin | KY | Primary Metal Manufacturing331491 | 1-19 | ◐ LIKELY ACTIVE |
| KBKrueger Bearings INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KAKt Acquisition Llc, Dba Komtek Forge | Worcester | MA | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| LCLake City Plating Plant 1 | Ashtabula | OH | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| LRLake Region Medical, INC. | Salem | VA | Primary Metal Manufacturing331491 | 500+ | ◐ LIKELY ACTIVE |
| LMLancaster Metal Manufacturing | Lancaster | PA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| LSLane Supply INC | Arlington | TX | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| LFLarson Forgings | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| LMLaystrom Manufacturing CO. | Chicago | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| LPLci Plant 45 | Goshen | IN | Fabricated Metal Product Manufacturing332312 | 500+ | ◐ LIKELY ACTIVE |
| LHLehigh Heavy Forge CORP | Bethlehem | PA | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
| LILemar Industries CORP | Des Moines | IA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| LCLisle CORP | Clarinda | IA | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| LSLone Star Heat Treating CO LTD | Houston | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MFMaass Flange Lumberdale | Houston | TX | Fabricated Metal Product Manufacturing332112 | 1-19 | ◐ LIKELY ACTIVE |
| MMMagnolia Metal CORP | Auburn | NE | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MMMagnolia Metal & Plastic Products, INC | Vicksburg | MS | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
Magnum Machining INC | Deerwood | MN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MEMarmen Energy Company | Brandon | SD | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket and Gear, INC. | Paragould | AR | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MBMaterion Brewster LLC | Brewster | NY | Primary Metal Manufacturing331491 | 20-99 | ◐ LIKELY ACTIVE |
| MPMcwane Plant & Industrial - Alabama Dynamics | Calera | AL | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| MCMedical Component Specialists INC | Bellingham | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MDMedical Device Components, LLC | San Diego | CA | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| MMMerchants Metals | Houston | TX | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| MHMeritor Heavy Vehicle Systems, LLC - Asheville | Fletcher | NC | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| MIMerrick Industries | Lynn Haven | FL | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville-beaver Dam | Beaver Dam | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville - Fall River | Fall River | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| MFMetal Fabricators INC | Atlanta | GA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetco Ind | Saint Marys | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| MCMetform CORP | Savanna | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| MLMicrosemi Lawrence | Lawrence | MA | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |