| PTP-k Tool & Manufacturing Company | Santa Teresa | NM | — | ◇ UNVERIFIED |
| PCPlant City Steel CO | Plant City | FL | — | ◇ UNVERIFIED |
| PEPlant Engineering and Maintenance - Oxford Machine and Fabrication | Oxford | AL | — | ◇ UNVERIFIED |
| PMPlant Maintenance Service CORP F-shop | Millington | TN | — | ◇ UNVERIFIED |
| PPPlastic Power Extrusions CORP | Schiller Park | IL | — | ◇ UNVERIFIED |
| P1Plt 18 | Oklahoma City | OK | — | ◇ UNVERIFIED |
| PAPlumbing and Mechanical Contractors | Milwaukie | OR | — | ◇ UNVERIFIED |
| PMPneumafil Metals Corporation | Charlotte | NC | — | ◇ UNVERIFIED |
| PSPneu-mech Systems Manufacturing INC | Statesville | NC | — | ◇ UNVERIFIED |
| PPPonam Precision Gages | Glendale | CA | — | ◇ UNVERIFIED |
| PCPort City Metal Services INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| PSPortersville Sales & Testing/portersville | Portersville | PA | — | ◇ UNVERIFIED |
| PWPorter Welding INC | Zanesville | OH | — | ◇ UNVERIFIED |
| PLPort Logistics | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| PMPort Manatee Fl Lng Manufacturing Facility | Palmetto | FL | — | ◇ UNVERIFIED |
| PPPositive Prototype Industries | Fraser | MI | — | ◇ UNVERIFIED |
| PAPostle Aluminum (p0448) | Cassopolis | MI | — | ◇ UNVERIFIED |
 Precision Build Solutions, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| PHPrecision Heat Treating | Montebello | CA | — | ◇ UNVERIFIED |
| PMPrecision Machine Products INC | Gastonia | NC | — | ◇ UNVERIFIED |
| PPPrecision Plating of Quincy INC | Quincy | IL | — | ◇ UNVERIFIED |
| PSPrecision Strip INC | Woodburn | KY | — | ◇ UNVERIFIED |
| PTPrecision Tools and Mold LLC | Ironwood | MI | — | ◇ UNVERIFIED |
| PIPreferred Industrial Coatings LLC | Houma | LA | — | ◇ UNVERIFIED |
| PMPremier Manufacturing INC | Liberty Lake | WA | — | ◇ UNVERIFIED |
| PPPremier Plant Services INC | Sapulpa | OK | — | ◇ UNVERIFIED |
| PTPremier Technology INC Frontage | Blackfoot | ID | — | ◇ UNVERIFIED |
| PLPrescor LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| PMPrescott Metal | Biddeford | ME | — | ◇ UNVERIFIED |
| PIPrice Industries INC | Suwanee | GA | — | ◇ UNVERIFIED |
| PCPrime Coatings INC | Amelia | LA | — | ◇ UNVERIFIED |
| PFProductivity Fabricators, INC. | Richmond | IN | — | ◇ UNVERIFIED |
| PFPro Fab Tech LLC | Azusa | CA | — | ◇ UNVERIFIED |
| PRProgress Rail Services CORP | Louisville | KY | — | ◇ UNVERIFIED |
| PRProgress Rail Services Corporation | Wildwood | FL | — | ◇ UNVERIFIED |
| PQProject Quiver Automotive Aluminum Complex | Bowling Green | KY | — | ◇ UNVERIFIED |
| PProtolabs | Minneapolis | MN | — | ◇ UNVERIFIED |
| PMProto Mfg | Spokane | WA | — | ◇ UNVERIFIED |
| PLPrototech Laser-chesterfield | Chesterfield | MI | — | ◇ UNVERIFIED |
| PIPro-type INC | Sterling | VA | — | ◇ UNVERIFIED |
| PSProvidence Saint Vincent Medical Center | Portland | OR | — | ◇ UNVERIFIED |
| PMPsf Mechanical INC | Seattle | WA | — | ◇ UNVERIFIED |
| PSPsi Sales INC | Irvington | AL | — | ◇ UNVERIFIED |
| PCPurdy CO | Burnham | IL | — | ◇ UNVERIFIED |
| PPPurolator Products INC | Dexter | MO | — | ◇ UNVERIFIED |
| PIPvi Industries Incorporat | Fort Worth | TX | — | ◇ UNVERIFIED |
| PPyramid | Lordsburg | NM | — | ◇ UNVERIFIED |
| QPQsi Plant #2 | Dothan | AL | — | ◇ UNVERIFIED |
| QFQual Fab INC | Seattle | WA | — | ◇ UNVERIFIED |
| QMQuality Manufacturing Group | Columbia | MS | — | ◇ UNVERIFIED |
 Quality Metal Products INC. | Lakewood | CO | — | ◇ UNVERIFIED |
| QOQuality One Steel Design | Shelbyville | KY | — | ◇ UNVERIFIED |
| QFQuicksteel Fab INC | Johnston | IA | — | ◇ UNVERIFIED |
| QLQuikcut LLC | Fort Wayne | IN | — | ◇ UNVERIFIED |
| QJQuincy Joist Company | Quincy | FL | — | ◇ UNVERIFIED |
| RSRadiant Steel Prod Co/williamsport Plt | Williamsport | PA | — | ◇ UNVERIFIED |
| RCRails Company | Maplewood | NJ | — | ◇ UNVERIFIED |
| RMRam Machine Tooling INC | Picayune | MS | — | ◇ UNVERIFIED |
| RHRanch Hand Beeville | Beeville | TX | — | ◇ UNVERIFIED |
| RIRatliff Industries | Lumberton | TX | — | ◇ UNVERIFIED |
| RIRayes Inc, Dba Wheelchairs of Kansas | Hays | KS | — | ◇ UNVERIFIED |
| RMRay Machine Company INC | Baltimore | MD | — | ◇ UNVERIFIED |
| RIRebb Industries | Yadkinville | NC | — | ◇ UNVERIFIED |
| RCRecycle City INC | Clifton City | NJ | — | ◇ UNVERIFIED |
| RHReda Hps | Owasso | OK | — | ◇ UNVERIFIED |
| RSRedi Services LLC - Metal Parts Coating | Platteville | CO | — | ◇ UNVERIFIED |
| RNReed National CORP | Westfield | MA | — | ◇ UNVERIFIED |
| RPReelex Packaging Solutions | Patterson | NY | — | ◇ UNVERIFIED |
| RSResteel Supply Company, INC. | Warwick | RI | — | ◇ UNVERIFIED |
| RMRettig Machine Shop, INC. | Redlands | CA | — | ◇ UNVERIFIED |
| RIRex Iron & Machine Products INC | Denver | CO | — | ◇ UNVERIFIED |
| RSRg Steel Wheeling LLC | Martins Ferry | OH | — | ◇ UNVERIFIED |
| RSRichardson Steel INC | Spring Valley | CA | — | ◇ UNVERIFIED |
| RMRiggs Machine & Fabricating INC. | Ashland | KY | — | ◇ UNVERIFIED |
| RIRimco INC - Scrap Metal | Saint Louis | MO | — | ◇ UNVERIFIED |
| RTRipon Truck Repair & Equipment, LLC | Pickett | WI | — | ◇ UNVERIFIED |
| RARippel Architectural Metals INC | Chicago | IL | — | ◇ UNVERIFIED |
| RPRite-hite Products Corporation | Memphis | TN | — | ◇ UNVERIFIED |
| RSRiverfalls Shop | River Falls | AL | — | ◇ UNVERIFIED |
| RKRm Kerner CO | Erie | PA | — | ◇ UNVERIFIED |
| RSRoane Steel Corporation | Rockwood | TN | — | ◇ UNVERIFIED |
| RWRoanoke Welding CO | Roanoke | VA | — | ◇ UNVERIFIED |
| RFRobertson Fabrication, INC | Greenwood | MS | — | ◇ UNVERIFIED |
| RARock and Coal Construction | Slab Fork | WV | — | ◇ UNVERIFIED |
| RMRocky Mountain Metals INC | Raton | NM | — | ◇ UNVERIFIED |
| RMRocky Mountain Orthodontic, INC. | Denver | CO | — | ◇ UNVERIFIED |
| RARoderick Arms & Tool CORP | Monett | MO | — | ◇ UNVERIFIED |
| RIRohn Industries INC | Bessemer | AL | — | ◇ UNVERIFIED |
| RARolled Alloys | Tulsa | OK | — | ◇ UNVERIFIED |
| RFRoll Forming CORP | Shelbyville | KY | — | ◇ UNVERIFIED |
| RFRoll Forming Corporation | Jeffersonville | IN | — | ◇ UNVERIFIED |
| RSRossin Steel INC | San Diego | CA | — | ◇ UNVERIFIED |
| RARotary Airlock LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| RDRoto Die CO INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| RCRoto-die Company, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| RIRoura Iron Works INC | Holly Springs | MS | — | ◇ UNVERIFIED |
| RMRoura Material Handling INC | Holly Springs | MS | — | ◇ UNVERIFIED |
| RSRoyal Sheet Metal INC | Holland | MI | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| RIRpn INC | Morristown | TN | — | ◇ UNVERIFIED |
