| MPMetallurgical Processing, INC. | New Britain | CT | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MPMetal Plasma Technology | Valencia | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MIMetal-tek INC | Minneapolis | MN | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MIMetal-tek INC | Fridley | MN | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MTMetal Treating Company | Pittsburgh | PA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MTMetlab/springfield Twp | Wyndmoor | PA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MPMIami Peening Services, LLC | Miami | FL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MWMichigan Wire Tech LLC | Lowell | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
 Mil Spec Heat Treating | Huntington Beach | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MEMLM Enterprises LLC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MSMp Steel Corporation | Monaca | PA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| MAMpt America Corporation Dba Metal Plasma Technology | Valencia | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
 Nevada Heat Treating | Carson City | NV | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| Nevada Heat Treating, LLC Dba Vitesse Systems-newark, Ca | Newark | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| NMNew Mansfield Brass and Aluminum | New Washington | OH | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
 Newton Heat Treating Company, Inc. | City of Industry | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| NINitrex INC | San Jose | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| NINitrex INC. | N Las Vegas | NV | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| NNNitrex Nevada | North Las Vegas | NV | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| NCNortheast Coating Technologies | Kennebunk | ME | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| OEOne Edge, LLC | Fort Lauderdale | FL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| OMOregon Metallurgy LLC | Troutdale | OR | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| OHOwego Heat Treat INC | Apalachin | NY | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PPPaulo Products Company | Nashville | TN | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PPPerfect Plating | Chatsworth | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PPermalite | Austin | TX | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PBPlymouth Brazing | Westland | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PBPlymouth Brazing | Plymouth | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PIPodcon, INC. | Wyndmoor | PA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
 Quick Turn Anodizing, LLC | Clarksville | TN | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RHRacine Heat Treating CO INC | Racine | WI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RIRegal Industrial, LLC | Millville | NJ | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RMReliable Metallurgical Process | Montebello | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RMReliable Metallurgical Processes INC | South Gate | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RWRmt Woodworth LLC | Plymouth | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RWRmt Woodworth, Southfield | Southfield | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RLRoro1, LLC | Green Bay | WI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| R2Route 247 Powder Coating & Sandblasting, LLC | Clifford Township | PA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RERRE Enterprises, Inc. | Detroit | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SHSalskids Holdings, LLC | Waukesha | WI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SDSan Diego Powder Coating | El Cajon | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SRShew Real Estate Holdings, LLC | Pomona | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SDShinhan Diamond America, INC | City of Industry | CA | Fabricated Metal Product Manufacturing332213 | — | ◇ UNVERIFIED |
| SLShriner LLC | Clackamas | OR | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| STSidwell Torching LLC | Cleveland | OH | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SISimcote INC | Saint Paul | MN | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SSSolution Steel Treating, LLC | Shelby Township | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SSSouthern Stress, LLC | Humble | TX | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| SHSpecialty Heat Treat of Holland INC | Holland | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
 Specialty Steel Treating INC | Fraser | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
