| MCMurphy Consolidated Industries INC | Follansbee | WV | — | ◇ UNVERIFIED |
| MDMyers Di Corporation | Barnegat | NJ | — | ◇ UNVERIFIED |
| NPNapa Pipe CORP | Napa | CA | — | ◇ UNVERIFIED |
| NFNash Fabricators INC | Vista | CA | — | ◇ UNVERIFIED |
| NBNational Butane Gas Company, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| NONational Oilwell Varco | San Angelo | TX | — | ◇ UNVERIFIED |
| NWNational Welding Corporation | Midvale | UT | — | ◇ UNVERIFIED |
| NGNci Group INC. | Marietta | GA | — | ◇ UNVERIFIED |
| NHNeil H. Daniels, INC. | Ascutney | VT | — | ◇ UNVERIFIED |
| NINeufeldt Industrial Services INC Dba Neufab | Red Wing | MN | — | ◇ UNVERIFIED |
| NTNewberry Tanks and Equipment, LLC | Memphis | TN | — | ◇ UNVERIFIED |
| NINewfield Industries INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| NJN J Mccutchen INC | Stockton | CA | — | ◇ UNVERIFIED |
| NCNooter Corp-nooter CORP | Saint Louis | MO | — | ◇ UNVERIFIED |
| NANorth American Construction Services, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| NANorth American Construction Services, LTD. | Birmingham | AL | — | ◇ UNVERIFIED |
| NMNorthstar Metalworks, INC | Brainerd | MN | — | ◇ UNVERIFIED |
| NSNorthstar Steel Fab. INC | Rhinelander | WI | — | ◇ UNVERIFIED |
| NINrlj, INC. | Browns Summit | NC | — | ◇ UNVERIFIED |
| NCNuclear Containers, Inc., Esp/cbc Div. | Elizabethton | TN | — | ◇ UNVERIFIED |
| NNucraft | Roscommon | MI | — | ◇ UNVERIFIED |
| OOO'brien Oilfield Services, LLC | Belfield | ND | — | ◇ UNVERIFIED |
| OIOdom Industries, INC | Milford | OH | — | ◇ UNVERIFIED |
| OIOfab, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| OOhmstede | La Porte | TX | — | ◇ UNVERIFIED |
| OIOlson Iron & Stone Creations LLC | Elk River | MN | — | ◇ UNVERIFIED |
| OHOmco - Huntsville | Madison | AL | — | ◇ UNVERIFIED |
| OROmco Roll Forming Plus - Wickliffe | Wickliffe | OH | — | ◇ UNVERIFIED |
| OEOri Enterprises LLC | Price | UT | — | ◇ UNVERIFIED |
| PBPacific Bend | Hemet | CA | — | ◇ UNVERIFIED |
| PTPalmer Tool Company | Camden | TN | — | ◇ UNVERIFIED |
| PMParagon Model Shop Inc. | Freeport | MI | — | ◇ UNVERIFIED |
| PCParlee Cycles, Inc. | Beverly | MA | — | ◇ UNVERIFIED |
| PCParsons Constructors Site | Pasco | WA | — | ◇ UNVERIFIED |
| PCPartech CORP | Minneapolis | MN | — | ◇ UNVERIFIED |
| PWPatterson Welding Works, INC. | Artesia | NM | — | ◇ UNVERIFIED |
| PIPC Iron INC Dba Pacific Coast Iron | Spring Valley | CA | — | ◇ UNVERIFIED |
| PDPee Dee Tank Company of South Carolina LLC | Florence | SC | — | ◇ UNVERIFIED |
| PIPegasus, INC. | Holliston | MA | — | ◇ UNVERIFIED |
| PTPepper Tank & Contracting | Casper | WY | — | ◇ UNVERIFIED |
| PSPerforated Screen Surfaces, INC. | Conklin | NY | — | ◇ UNVERIFIED |
| PVPerry Videx LLC | Hainesport | NJ | — | ◇ UNVERIFIED |
| PEPetrosmith Equipment Abilene Facility | Abilene | TX | — | ◇ UNVERIFIED |
| PUPfi Usa, LLP | Greenville | OH | — | ◇ UNVERIFIED |
| PHPicard Holding USA | Battle Creek | MI | — | ◇ UNVERIFIED |
| PVPinson Valley Fabricators, INC. | Other | AL | — | ◇ UNVERIFIED |
| PLPip LLC | Paducah | KY | — | ◇ UNVERIFIED |
| PMPitt-des Moines, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PCPlant City Steel CO | Plant City | FL | — | ◇ UNVERIFIED |
| PNPlasan North America | Walker | MI | — | ◇ UNVERIFIED |
| PEPlastic Extruded Parts INC | Nassau | NY | — | ◇ UNVERIFIED |
| PCPlate Cut, INC. | Houston | TX | — | ◇ UNVERIFIED |
| PFPlatinum Fabrication, LLC | Heavener | OK | — | ◇ UNVERIFIED |
| P1Plt 18 | Oklahoma City | OK | — | ◇ UNVERIFIED |
| PFPoole Fisheries, INC | Marathon | FL | — | ◇ UNVERIFIED |
| PCPort City Rollform Tooling, Inc. | Muskegon | MI | — | ◇ UNVERIFIED |
| PPPrecision Plating of Quincy INC | Quincy | IL | — | ◇ UNVERIFIED |
| PPPrecision Pulley and Idler | Sacramento | CA | — | ◇ UNVERIFIED |
| PSPrecision Strip INC | Woodburn | KY | — | ◇ UNVERIFIED |
| PEPremier Equipment - American Pulley | Leeds | AL | — | ◇ UNVERIFIED |
| PRPremiere Rack Solutions, INC. | Dublin | CA | — | ◇ UNVERIFIED |
| PMPremier Manufacturing Corporation | Addison | IL | — | ◇ UNVERIFIED |
| PMPremier Metal Roof Manufacturing LLC | Temple Terrace | FL | — | ◇ UNVERIFIED |
| PFPro Fabrication INC | Madison Lake | MN | — | ◇ UNVERIFIED |
| PRProgress Rail Services Corporation | Wildwood | FL | — | ◇ UNVERIFIED |
| PIPsf Industries | Seattle | WA | — | ◇ UNVERIFIED |
| PSPsi Sales INC | Irvington | AL | — | ◇ UNVERIFIED |
| PIPvi Industries Incorporat | Fort Worth | TX | — | ◇ UNVERIFIED |
| QFQuality Fab of Emily INC | Emily | MN | — | ◇ UNVERIFIED |
| QMQuality Manufacturing Group | Columbia | MS | — | ◇ UNVERIFIED |
| QSQuality Steel | Cleveland | MS | — | ◇ UNVERIFIED |
| QSQuality Steel Corporation- Fuel Storage Tank Manufacturing Plant | West Jordan | UT | — | ◇ UNVERIFIED |
| QMQuest Metal Solutions | Fort Worth | TX | — | ◇ UNVERIFIED |
| RIRack Industries, LLC | Midland | TX | — | ◇ UNVERIFIED |
| RCRadius Concepts LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| RPRalphs Pugh Company | Benicia | CA | — | ◇ UNVERIFIED |
| RRRapid Rack Industries INC | City of Industry | CA | — | ◇ UNVERIFIED |
| RIRaughley, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| RIRcs Industries INC | Riverside | CA | — | ◇ UNVERIFIED |
| RRRed River Precision Mfg., Inc. | Round Rock | TX | — | ◇ UNVERIFIED |
| RIReed International Dba Saunco Air Tech | Hickman | CA | — | ◇ UNVERIFIED |
| RTReliance Truck & Equipment LTD | San Antonio | TX | — | ◇ UNVERIFIED |
| RMReynolds Manufacturing Company | Avonmore | PA | — | ◇ UNVERIFIED |
| RSRg Steel Wheeling LLC | Martins Ferry | OH | — | ◇ UNVERIFIED |
| RFRichard's Fab Shop LLC | Sumter | SC | — | ◇ UNVERIFIED |
| RIRimco INC - Scrap Metal | Saint Louis | MO | — | ◇ UNVERIFIED |
| RERite Engineering & Manufacturing CORP | Commerce | CA | — | ◇ UNVERIFIED |
| RPRite-hite Products Corporation | Memphis | TN | — | ◇ UNVERIFIED |
| RCRiver City Metal Fabrication, LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| RJR & J Metal Fabricators INC | Portland | OR | — | ◇ UNVERIFIED |
| RKR K Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| RWRLC Welding & Fabrication, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| RVR&n Ventures, INC | Houston | TX | — | ◇ UNVERIFIED |
| RFRobertson Fabrication, INC | Greenwood | MS | — | ◇ UNVERIFIED |
| RTRocore Thermal Systems LLC | Burkesville | KY | — | ◇ UNVERIFIED |
| RFRoll Forming CORP | Shelbyville | KY | — | ◇ UNVERIFIED |
| RARotary Airlock LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| RMRoura Material Handling INC | Holly Springs | MS | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| RIRubin Iron Works LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
