| KMKinksbridge Metal CO | Carrollton | GA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KCKinton Carbide, INC. | Export | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KCKisner Corporation | Raleigh | NC | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KWKJC Welding LLC | Falcon | MO | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KIKolemba Industries, INC. | Gallatin | TN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KWKoski Welding INC | Baraga | MI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KIKsq Incorporated | Winfield | KS | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| KLKwf LLC | Griswold | IA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| LELaptalo Enterprises, INC. | San Jose | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| LFLaser Fabrication & Machine Co., INC. | Wellington | AL | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| LWLittle Washington Fabrications, INC. | Middletown | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| LDLonestar Dock Products LLC. | Mount Pleasant | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MWMansfield Welding Services LLC | Oakwood | OH | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MLManufab, LLC | Rexburg | ID | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MKMark Knoedler | Ijamsville | MD | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MWMarks Welding & Fabricating | Thorsby | AL | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MWMartin Welding and Fabrication LLC | Contoocook | NH | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MHMckee Holdings LLC | Sandy | OR | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MEMerrill Engineering & Integration | Saginaw | MI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MIMerrill Iron & Steel South | Springfield | MO | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MLMetalCraft LLC | Bantam | CT | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MTMetal Tech, INC. | Fargo | ND | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MWMetal Works INC. | Spencer | IA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MMMexia Main, East, and West Plants | Mexia | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
 Mgt Manufacturing LLC | Springville | AL | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| Mgt Manufacturing LLC | Springville | AL | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MDMi Dept/natural Resources and Environment | River Rouge | MI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MMMid-state Machine & Fabricating Corporation | Lakeland | FL | Beverage and Tobacco Product Manufacturing312229 | — | ◇ UNVERIFIED |
| MMMid-states Mechanical Services INC | Mankato | MN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MAMidwest Automation, INC. | Heavener | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing Corporation | Omaha | NE | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MSMiguel's Sheet Metal | Los Angeles | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
 Miller Welding & Machine CO | Brookville | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MMMill Man Steel INC | Fontana | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MMMinnesota Metalworks INC | Perham | MN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MMMinnotte Manufacturing Corporation | Trafford | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MWMk Welding & Fabrication, INC. | Waynesville | OH | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MFMoore Flame Cutting Company | Bloomfield Hills | MI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MDMyers Di Corporation | Barnegat | NJ | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NFNash Fabricators INC | Vista | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NBNational Butane Gas Company, INC. | Memphis | TN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NONational Oilwell Varco | San Angelo | TX | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NWNational Welding Corporation | Midvale | UT | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NGNci Group INC. | Marietta | GA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NHNeil H. Daniels, INC. | Ascutney | VT | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NINeufeldt Industrial Services INC Dba Neufab | Red Wing | MN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| NMNorthstar Metalworks, INC | Brainerd | MN | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NSNorthstar Steel Fab. INC | Rhinelander | WI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NNucraft | Roscommon | MI | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| OOO'brien Oilfield Services, LLC | Belfield | ND | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
