| PWPioneer Welding, LLC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| PFPipe & Fabrication INC | Camden | SC | — | ◇ UNVERIFIED |
| PWPipeline Works, INC. | El Monte | CA | — | ◇ UNVERIFIED |
| PSPiping Solutions INC. | Bridgewater | NJ | — | ◇ UNVERIFIED |
| PKP Kay Metal INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PAPlant and Flanged Equipment LLC | Blaine | MN | — | ◇ UNVERIFIED |
| PUPlasson USA | Houston | TX | — | ◇ UNVERIFIED |
| PNPne (princeton Nu Energy) | Florence | NJ | — | ◇ UNVERIFIED |
| PBPower Battery CO | Paterson | NJ | — | ◇ UNVERIFIED |
| PEPowernap Energy | San Leandro | CA | — | ◇ UNVERIFIED |
| PPPowerseal Pipeline Products Corporation | Wichita Falls | TX | — | ◇ UNVERIFIED |
| PCPowerstor Corporation | Dublin | CA | — | ◇ UNVERIFIED |
| PKPpc Kinne Road | East Syracuse | NY | — | ◇ UNVERIFIED |
| PCPrecision Cutoff, LLC | Holland | OH | — | ◇ UNVERIFIED |
| PIPrecision Industrial Piping, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| PPPrecision Pipe & Vessel, LLC | Commerce City | CO | — | ◇ UNVERIFIED |
| PPPrecision Piping and Fabrication LLC | Freeport | IL | — | ◇ UNVERIFIED |
| PSPrecision Spiral Pipe CO | Burleson | TX | — | ◇ UNVERIFIED |
| PTPrecision Tube | Richmond | KY | — | ◇ UNVERIFIED |
| PSProduct Solutions Inc. | Anaheim | CA | — | ◇ UNVERIFIED |
| PEPrompt Engineering Systems | Wathena | KS | — | ◇ UNVERIFIED |
| PMPsc Metals, INC. | Koppel | PA | — | ◇ UNVERIFIED |
| QFQuality Fabricators LLC | Barrington | NH | — | ◇ UNVERIFIED |
| QPQuality Precast Solutions LLC | Cape Coral | FL | — | ◇ UNVERIFIED |
| QMQuest Manufacturing, Inc. | Orchard Park | NY | — | ◇ UNVERIFIED |
| RTRagan Technologies INC | San Diego | CA | — | ◇ UNVERIFIED |
| RTRaj Transport INC | Stockton | CA | — | ◇ UNVERIFIED |
| RFRam Fiberglass INC | Chino | CA | — | ◇ UNVERIFIED |
| RCRaymond CORP Bin4 Energy Solutions Manufacturing Center of Excellence the | Binghamton | NY | — | ◇ UNVERIFIED |
| RCRayovac CORP Madison | Madison | WI | — | ◇ UNVERIFIED |
| RMRead Manufacturing Co., INC. | Holbrook | NY | — | ◇ UNVERIFIED |
| RERelyion Energy INC | Fremont | CA | — | ◇ UNVERIFIED |
| RMRilco Manufacturing | Houston | TX | — | ◇ UNVERIFIED |
| RARivian Automotive | Hayward | CA | — | ◇ UNVERIFIED |
| RIR&k Industrial Products INC | Richmond | CA | — | ◇ UNVERIFIED |
| RTRmi Titanium CO. Sodium Plant | Ashtabula | OH | — | ◇ UNVERIFIED |
| RIRobinson Industrial | Orange | CA | — | ◇ UNVERIFIED |
| RTRochester Tube Prod LTD | Shelby Twp | MI | — | ◇ UNVERIFIED |
| RHRock Hill Industrial Piping - Fabrication, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| RRRock River Fabrication | Grand Rapids | MI | — | ◇ UNVERIFIED |
| RPRodriguez Pipe and Steel, INC. | Laredo | TX | — | ◇ UNVERIFIED |
| RSRomar Supply, Incorporated | Irving | TX | — | ◇ UNVERIFIED |
| RPRomeo Power INC. | Cypress | CA | — | ◇ UNVERIFIED |
| RBRoss Bending Dynamics LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RWRoss Wheel Service INC | Bloomington | MN | — | ◇ UNVERIFIED |
| RIRti International Metals INC. | Sullivan | MO | — | ◇ UNVERIFIED |
| RIRti International Metals, INC | Niles | OH | — | ◇ UNVERIFIED |
| SHSaar Holdings, LLC | Magna | UT | — | ◇ UNVERIFIED |
| SPS.A.E. Pipe Welding and Fabrication L.L.C. | Brigham City | UT | — | ◇ UNVERIFIED |
| SJSaint Joseph Mint | Mount Vernon | OH | — | ◇ UNVERIFIED |
| SFSamson Fabricators, LLC | Clute | TX | — | ◇ UNVERIFIED |
| SSSandvik Special Metals LLC | Kennewick | WA | — | ◇ UNVERIFIED |
| SLSan Luis Obispo County District Attorney's Office | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| SRSa Recycling | Decatur | AL | — | ◇ UNVERIFIED |
| SGSbi General & Mechanical INC. | Waterbury | NE | — | ◇ UNVERIFIED |
| SMSchadegg Mechanical INC | South Saint Paul | MN | — | ◇ UNVERIFIED |
| SSSchlumberger Sugar Land | Sugar Land | TX | — | ◇ UNVERIFIED |
| SBSelect Build INC | Escondido | CA | — | ◇ UNVERIFIED |
| SPSelling Precision INC. | West Milford | NJ | — | ◇ UNVERIFIED |
| SFSentry Fire Protection Incorporated | York | PA | — | ◇ UNVERIFIED |
| SCShaw Connex Incorporated | Troutville | VA | — | ◇ UNVERIFIED |
| SCShaw Constructors INC - Sw Region - Sulphur Facility | Sulphur | LA | — | ◇ UNVERIFIED |
| SFShaw Fabricators | Houston | TX | — | ◇ UNVERIFIED |
| SSShaw Shreveport Shreveport Facility | Shreveport | LA | — | ◇ UNVERIFIED |
| SSShaw Sunland Fabricators, LLC | Walker | LA | — | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | OK | — | ◇ UNVERIFIED |
| SHS & H Welding INC Dba S & H Metals | Sacramento | CA | — | ◇ UNVERIFIED |
| SESidus Energy INC | Milpitas | CA | — | ◇ UNVERIFIED |
| SISienza INC | Pasadena | CA | — | ◇ UNVERIFIED |
| STSigma Tube & Bar LLC | Houston | TX | — | ◇ UNVERIFIED |
| SSSignode Supply Corporation | Pittsburg | CA | — | ◇ UNVERIFIED |
| SMSimmons Manufacturing Company | Mcdonough | GA | — | ◇ UNVERIFIED |
| SPSimpliphi Power INC | Oxnard | CA | — | ◇ UNVERIFIED |
| SLSkylars LLC | Piqua | OH | — | ◇ UNVERIFIED |
| SISmith-cooper International | Commerce | CA | — | ◇ UNVERIFIED |
| SSoaring | El Segundo | CA | — | ◇ UNVERIFIED |
| SPSolid Power - Thornton Facility | Thornton | CO | — | ◇ UNVERIFIED |
| SCSoutheast Culvert, INC. | Cleveland | AL | — | ◇ UNVERIFIED |
| SISouthern Industrial Mechanical Maintenance Company Ii, LLC | Brownsville | TN | — | ◇ UNVERIFIED |
| SISouthern Industrial Mechanical Maintenance Company, LLC | Shreveport | LA | — | ◇ UNVERIFIED |
| SNSouthern Natural Gas - Mdc | Pinson | AL | — | ◇ UNVERIFIED |
| STSouthern Thermal Solutions, INC. | Sanford | NC | — | ◇ UNVERIFIED |
| STSouthern Tube Form | Clinton | TN | — | ◇ UNVERIFIED |
| SPSouthland Pipe CORP. | Rialto | CA | — | ◇ UNVERIFIED |
| SPSouthland Pipe Corporation | Hesperia | CA | — | ◇ UNVERIFIED |
| SMSpecial Metals Corporation | Catlettsburg | KY | — | ◇ UNVERIFIED |
| SISpectrapower INC | Livermore | CA | — | ◇ UNVERIFIED |
| SBSpectrum Brands INC | Fennimore | WI | — | ◇ UNVERIFIED |
| SNSpiers New Technologies Annex B | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SCSpm CORP | Montvale | VA | — | ◇ UNVERIFIED |
| SCSps Companies INC Dba Pipe Fabricators | Osseo | MN | — | ◇ UNVERIFIED |
| SSS & S Tube INC | Bay Port | MI | — | ◇ UNVERIFIED |
| SEStacked Energy INC | San Jose | CA | — | ◇ UNVERIFIED |
| SUStant USA CORP | Romeo | MI | — | ◇ UNVERIFIED |
| SEStarplus Energy LLC | Kokomo | IN | — | ◇ UNVERIFIED |
| SPSteel Pipe Fabricators, LLC | Norcross | GA | — | ◇ UNVERIFIED |
| SISteico Industries INC a Subsidiary at Senior Operation LLC | Oceanside | CA | — | ◇ UNVERIFIED |
 Stephens Pipe & Steel, LLC | Wyoming | MI | — | ◇ UNVERIFIED |
| Stephens Pipe & Steel LLC Decatur Facility | Russell Springs | KY | — | ◇ UNVERIFIED |
| SLStern Leach Company | Attleboro | MA | — | ◇ UNVERIFIED |
