| NSNorth Star Safe LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| NINova Industries INC | San Leandro | CA | — | ◇ UNVERIFIED |
| NFNowlin Fence INC | Anaheim | CA | — | ◇ UNVERIFIED |
| NGNucor Grating - Fisher & Ludlow INC. | Madison | MS | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Fontana | Fontana | CA | — | ◇ UNVERIFIED |
| NRNucor Rebar Fabrication Southwest INC | Lakeside | CA | — | ◇ UNVERIFIED |
| NINw Iron Works INC | Portland | OR | — | ◇ UNVERIFIED |
| OMO'Brien Metal Inc. | Chicago | IL | — | ◇ UNVERIFIED |
| OOObrien Ornamental Iron INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| OTOcean Terminal Services, INC. | Wilmington | CA | — | ◇ UNVERIFIED |
| OCOctober CO Chemetal Division | Easthampton | MA | — | ◇ UNVERIFIED |
| OSOklahoma Stair Craft, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
| OGOldenburg Group INC | Kingsford | MI | — | ◇ UNVERIFIED |
| OSOld South Ironworks INC | Gray | TN | — | ◇ UNVERIFIED |
| OWOld World Iron | Gilroy | CA | — | ◇ UNVERIFIED |
| OOOliver's Ornamental Iron, LLC | Flora | MS | — | ◇ UNVERIFIED |
| OVOlive View Medical Center La County | Sylmar | CA | — | ◇ UNVERIFIED |
| OCOmi Crane Systems INC | Royse City | TX | — | ◇ UNVERIFIED |
| OEOne Ez Post LLC | Kingsport | TN | — | ◇ UNVERIFIED |
| OFOnGuard Fence Systems, Ltd. | Moorestown | NJ | — | ◇ UNVERIFIED |
| ODOrnamental Design Inc | Tampa | FL | — | ◇ UNVERIFIED |
| OIOrnamental Iron Concept,bartolome Fluxa | Van Nuys | CA | — | ◇ UNVERIFIED |
| OIOrnamental Ironworks | Los Angeles | CA | — | ◇ UNVERIFIED |
| OGOsborn General Engineering and Construction INC | Auburn | CA | — | ◇ UNVERIFIED |
| ODOscar Diaz Rivera | San Juan | PR | — | ◇ UNVERIFIED |
| OOOsuna Ornamental LLC | Miami | FL | — | ◇ UNVERIFIED |
| PCPaceco Corporation | Oakland | CA | — | ◇ UNVERIFIED |
| PMPacific Metal Works INC | Beaverton | OR | — | ◇ UNVERIFIED |
| PWPacific Waterjet Cutting INC | Chico | CA | — | ◇ UNVERIFIED |
| PSPalmetto Southern INC | Lexington | SC | — | ◇ UNVERIFIED |
| PMPan Metal Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| PMParagon Metal Fabrication, LLC | Bozeman | MT | — | ◇ UNVERIFIED |
| PPParamount Pictures | New Orleans | LA | — | ◇ UNVERIFIED |
| PCParks Crane Service | Orange | CA | — | ◇ UNVERIFIED |
| PMPasco Maintenance Facility | Pasco | WA | — | ◇ UNVERIFIED |
| PMPatina Metals INC | Houston | TX | — | ◇ UNVERIFIED |
| PPPatti Port | Garden Grove | CA | — | ◇ UNVERIFIED |
| PSPaul Stewart Industries INC. | Semmes | AL | — | ◇ UNVERIFIED |
| PIPawnee Ironworks LLC | Wichita | KS | — | ◇ UNVERIFIED |
| PMPbs Metalworks INC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| PFP&c Fence Company INC. | Bridgeport | CT | — | ◇ UNVERIFIED |
| PLPdk LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| PIPeconic Iron Works | Quogue | NY | — | ◇ UNVERIFIED |
| PWPeerless Welders INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| PBPerez Brothers Ornamental Iron Works, Inc. | Van Nuys | CA | — | ◇ UNVERIFIED |
| PAPerfect Air Control LLC / Metal Industries LLC of Nc | Marion | NC | — | ◇ UNVERIFIED |
| PSPerfection Stainless Fabrication, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| PSPerformance Structures, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| PSPerformance Structures, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| PNPermasteelisa North America CORP | Modesto | CA | — | ◇ UNVERIFIED |
| PLPerry Luxe, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| PMPetersen Metals | Hudson | FL | — | ◇ UNVERIFIED |
| PHPeters Heavy Construction INC | Stevens Point | WI | — | ◇ UNVERIFIED |
| PHPeters Heavy Construction INC | Marshfield | WI | — | ◇ UNVERIFIED |
| PSPeterson Sheet Metal, INC. | San Ramon | CA | — | ◇ UNVERIFIED |
| PAPhoenix Architectural Products, INC. | Smyrna | GA | — | ◇ UNVERIFIED |
| PHPiedmont Hoist and Crane, INC. | Colfax | NC | — | ◇ UNVERIFIED |
| PPPier Pleasure INC | Mankato | MN | — | ◇ UNVERIFIED |
| PGPineapple Grove Designs INC. | Boynton Beach | FL | — | ◇ UNVERIFIED |
| PRPine River Partners LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| PBPitney Bowes INC | Fullerton | CA | — | ◇ UNVERIFIED |
| PGPiw Group, LLC | Park Ridge | IL | — | ◇ UNVERIFIED |
| PJP & J Arcomet LLC | Hoboken | NJ | — | ◇ UNVERIFIED |
| PPPlatinum Powdercoating | Chico | CA | — | ◇ UNVERIFIED |
| PCPlatnick Crane and Steel LLC | Bluefield | VA | — | ◇ UNVERIFIED |
| PSPlatnick Steel & Engineering INC | Sumter | SC | — | ◇ UNVERIFIED |
| PTPlaya Tool & Marine INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| PVPmg Ventures, INC | Atlanta | GA | — | ◇ UNVERIFIED |
| PFPonderosa Forge & Iron Works INC | Sisters | OR | — | ◇ UNVERIFIED |
| PSPorter Steel, Inc | Lilburn | GA | — | ◇ UNVERIFIED |
| PSPorter Steel, Inc. | Lilburn | GA | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | — | OR | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | Portland | OR | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | Tigard | OR | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | — | OR | — | ◇ UNVERIFIED |
| PPP & P Artec, INC. | Wood Dale | IL | — | ◇ UNVERIFIED |
| PLPractik LLC | Seattle | WA | — | ◇ UNVERIFIED |
| PRPrairie River Properties LLC | Merrill | WI | — | ◇ UNVERIFIED |
| PIPrairieville Iron Works | Prairieville | LA | — | ◇ UNVERIFIED |
| PBPrecision Build Solutions, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| PIPrecision Iron Works | Maywood | CA | — | ◇ UNVERIFIED |
 Precision Ladders LLC | Morristown | TN | — | ◇ UNVERIFIED |
| PAPremier Architectural Sheet Metal LLC | Wilmington | DE | — | ◇ UNVERIFIED |
| PIPremiercraft INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| PMPremier Metal Works | Salt Lake City | UT | — | ◇ UNVERIFIED |
| PSPrescott Studio, LLC | Santa Fe | NM | — | ◇ UNVERIFIED |
| PCPresidio Custom Metal Works | Round Rock | TX | — | ◇ UNVERIFIED |
| POPrices Outdoor Cookers | Pensacola | FL | — | ◇ UNVERIFIED |
| PIPRM Industrial Corp. | Bohemia | NY | — | ◇ UNVERIFIED |
| PMProperty Mangement Consultancy | San Francisco | CA | — | ◇ UNVERIFIED |
| PCProserv Crane Group | Irving | TX | — | ◇ UNVERIFIED |
| PGProservcrane Group | Houston | TX | — | ◇ UNVERIFIED |
| PGProservcrane Group, INC. | Waller | TX | — | ◇ UNVERIFIED |
| QCQmc Cranes LLC | Fountain Valley | CA | — | ◇ UNVERIFIED |
| QAQuality Air Compressors | Commerce | CA | — | ◇ UNVERIFIED |
| QCQuality Crane | Princeton | WV | — | ◇ UNVERIFIED |
| QMQuality Metal Craft, INC. | Quincy | MA | — | ◇ UNVERIFIED |
| QMQuality Metalcrafts LLC | Rogers | MN | — | ◇ UNVERIFIED |
| QPQuality Powder Coating | Bakersfield | CA | — | ◇ UNVERIFIED |
| QPQuality Powder Coating, INC. | Tulare | CA | — | ◇ UNVERIFIED |
