| OEOne Edge, LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| OMOregon Metallurgy LLC | Troutdale | OR | — | ◇ UNVERIFIED |
| ODOutdoor Dimensions | Anaheim | CA | — | ◇ UNVERIFIED |
| OHOwego Heat Treat INC | Apalachin | NY | — | ◇ UNVERIFIED |
| PSPacific Steel Treating CO Incorporated | N Hollywood | CA | — | ◇ UNVERIFIED |
| PCParylene Coating Services | Katy | TX | — | ◇ UNVERIFIED |
| PPPaulo Products Company | Nashville | TN | — | ◇ UNVERIFIED |
| PMPennsylvania Metallurgical INC | Bethlehem | PA | — | ◇ UNVERIFIED |
| PPPerfect Plating | Chatsworth | CA | — | ◇ UNVERIFIED |
| PPermalite | Austin | TX | — | ◇ UNVERIFIED |
| PMPioneer Metal Finishing | Gaffney | SC | — | ◇ UNVERIFIED |
| PBPlymouth Brazing | Westland | MI | — | ◇ UNVERIFIED |
| PBPlymouth Brazing | Plymouth | MI | — | ◇ UNVERIFIED |
| PIPodcon, INC. | Wyndmoor | PA | — | ◇ UNVERIFIED |
 Quick Turn Anodizing, LLC | Clarksville | TN | — | ◇ UNVERIFIED |
| RHRacine Heat Treating CO INC | Racine | WI | — | ◇ UNVERIFIED |
| RIRegal Industrial, LLC | Millville | NJ | — | ◇ UNVERIFIED |
| RMReliable Metallurgical Process | Montebello | CA | — | ◇ UNVERIFIED |
| RMReliable Metallurgical Processes INC | South Gate | CA | — | ◇ UNVERIFIED |
| RPReliable Plating Works-5th St | Milwaukee | WI | — | ◇ UNVERIFIED |
| RARevitalizing Auto Communities Environmental Response Trust | Livonia | MI | — | ◇ UNVERIFIED |
| RHRi Heat Treating Company | Providence | RI | — | ◇ UNVERIFIED |
| RWRmt Woodworth Heat Treat (n7616) | Plymouth | MI | — | ◇ UNVERIFIED |
| RWRmt Woodworth LLC | Plymouth | MI | — | ◇ UNVERIFIED |
| RWRmt Woodworth, Southfield | Southfield | MI | — | ◇ UNVERIFIED |
| RLRoro1, LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| R2Route 247 Powder Coating & Sandblasting, LLC | Clifford Township | PA | — | ◇ UNVERIFIED |
| RERRE Enterprises, Inc. | Detroit | MI | — | ◇ UNVERIFIED |
| SUSaf-holland Usa, INC. | Dumas | AR | — | ◇ UNVERIFIED |
| SOSage of America Company | Ooltewah | TN | — | ◇ UNVERIFIED |
| SHSalskids Holdings, LLC | Waukesha | WI | — | ◇ UNVERIFIED |
| SDSan Diego Powder Coating | El Cajon | CA | — | ◇ UNVERIFIED |
| SIScot Industries | Muscoda | WI | — | ◇ UNVERIFIED |
| SRShew Real Estate Holdings, LLC | Pomona | CA | — | ◇ UNVERIFIED |
| SDShinhan Diamond America, INC | City of Industry | CA | — | ◇ UNVERIFIED |
| SLShriner LLC | Clackamas | OR | — | ◇ UNVERIFIED |
| STSidwell Torching LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| SISimcote INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SSSl Surface Technologies | Camden | NJ | — | ◇ UNVERIFIED |
| SSSolution Steel Treating, LLC | Shelby Township | MI | — | ◇ UNVERIFIED |
| SCSousa CORP | West Hartford | CT | — | ◇ UNVERIFIED |
| SSSouthern Stress, LLC | Humble | TX | — | ◇ UNVERIFIED |
| SHSpecialty Heat Treating INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| SHSpecialty Heat Treat of Holland INC | Holland | MI | — | ◇ UNVERIFIED |
 Specialty Steel Treating INC | Farmington | MI | — | ◇ UNVERIFIED |
| Specialty Steel Treating INC | Fraser | MI | — | ◇ UNVERIFIED |
| SPS & P Metallurgy Services | Warwick | RI | — | ◇ UNVERIFIED |
| SISpur Industries INC | Spokane | WA | — | ◇ UNVERIFIED |
| SLSpx Lindberg a Division of Spx Corporation | Watertown | WI | — | ◇ UNVERIFIED |
| SHStandard Heat Treating | Cicero | IL | — | ◇ UNVERIFIED |
| SFStreamline Fabrication, LLC | Covington | GA | — | ◇ UNVERIFIED |
| SHSuncoast Heat Treat INC | Palm Beach Gardens | FL | — | ◇ UNVERIFIED |
| SHSun Heat Treating, Inc./sun Materials Testing | Tulsa | OK | — | ◇ UNVERIFIED |
| SASuperheat Advancing Heat Treatment | Sulphur | LA | — | ◇ UNVERIFIED |
 Superheat Fgh Services INC | Cannon Falls | MN | — | ◇ UNVERIFIED |
| SHSuper Heat Treating INC | Syracuse | NY | — | ◇ UNVERIFIED |
| SHSupreme Heat Treating CO INC | Newark | NJ | — | ◇ UNVERIFIED |
| SMSupreme Manufacturing INC. | Beaver Dam | WI | — | ◇ UNVERIFIED |
| TITc Ind INC | Crystal Lake | IL | — | ◇ UNVERIFIED |
| TITeam Industrial Services Harbor City | Harbor City | CA | — | ◇ UNVERIFIED |
| TITeam Industrial Services INC | Huntington | WV | — | ◇ UNVERIFIED |
| TITeam Industrial Services INC | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| TITeam Industrial Services INC | Beech Island | SC | — | ◇ UNVERIFIED |
| TTechni-braze | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| TSTechnique Surfaces USA INC | Chino Valley | AZ | — | ◇ UNVERIFIED |
| TSTemp-rite Steel Treating | Harrison Township | MI | — | ◇ UNVERIFIED |
| TSTexas Stell Conversion Almeda Rd Facility | Houston | TX | — | ◇ UNVERIFIED |
| THThe Hsr Company, LLC | Peninsula | OH | — | ◇ UNVERIFIED |
| TPThe Place of Hope PLC | Dearborn Heights | MI | — | ◇ UNVERIFIED |
| TTThermal Technologies | Chatsworth | CA | — | ◇ UNVERIFIED |
| TEThermo Electron CORP Cal-dora | Los Angeles | CA | — | ◇ UNVERIFIED |
| TTThermo Techniques | Danville | IL | — | ◇ UNVERIFIED |
| TSTriple S & H LLC | Orange | CA | — | ◇ UNVERIFIED |
| TUTs USA | Chattanooga | TN | — | ◇ UNVERIFIED |
| ULUmiyama LLC | Mercer | PA | — | ◇ UNVERIFIED |
| UIUniversal Induction, INC. | Benton Harbor | MI | — | ◇ UNVERIFIED |
| UMUniversal Metal Solutions, LLC | Fresno | CA | — | ◇ UNVERIFIED |
| UHUS Heat Treaters | Kersey | PA | — | ◇ UNVERIFIED |
| UPUS Prefinished Metals | Los Angeles | CA | — | ◇ UNVERIFIED |
| VHVac Hyd Los Angeles | Compton | CA | — | ◇ UNVERIFIED |
| VPValley Plating Incorporated | Springfield | MA | — | ◇ UNVERIFIED |
| VIVarex Imaging Refurb Building 3 | Salt Lake City | UT | — | ◇ UNVERIFIED |
| VPVFI Properties LLC | Azusa | CA | — | ◇ UNVERIFIED |
| VRVulcan Real Estate Holdings | Surgoinsville | TN | — | ◇ UNVERIFIED |
| VRVulcan Real Estate Holdings LLC | Surgoinsville | TN | — | ◇ UNVERIFIED |
| WCWall Colmonoy CORP. (0857730260) | Dayton | OH | — | ◇ UNVERIFIED |
| WFWestern Forge & Flange Company | Albany | CA | — | ◇ UNVERIFIED |
| WIWiberg I, LLC and Wiberg II, LLC as Tenants in Common | Waukesha | WI | — | ◇ UNVERIFIED |
| WIWoodworth INC. Homer (p0547) | Homer | MI | — | ◇ UNVERIFIED |
| WIWoodworth INC Pontiac Division | Pontiac | MI | — | ◇ UNVERIFIED |
| WIWoodworth Industries INC | Hazel Park | MI | — | ◇ UNVERIFIED |
| WSWyatt Services INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
