| PAPerfect Air Control LLC / Metal Industries LLC of Nc | Marion | NC | — | ◇ UNVERIFIED |
| PPPerfect Patterns South | Columbus | GA | — | ◇ UNVERIFIED |
| PMPerkins Machine CO | Warren | MA | — | ◇ UNVERIFIED |
| PCPerm Cast LLC | Cynthiana | KY | — | ◇ UNVERIFIED |
| PIPetersen INC | Pocatello | ID | — | ◇ UNVERIFIED |
| PFPier Foundry | Saint Paul | MN | — | ◇ UNVERIFIED |
| PTPike Tool & Grinding Incorporated | Colorado Springs | CO | — | ◇ UNVERIFIED |
| PFPioneer Foundry CO INC | Jackson | MI | — | ◇ UNVERIFIED |
| PPPipe Properties, LLC and Gateway View, LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| PBPitney Bowes, INC. Stamford Facility | Stamford | CT | — | ◇ UNVERIFIED |
| PTP-k Tool & Manufacturing Company | Santa Teresa | NM | — | ◇ UNVERIFIED |
| PEPlant Engineering and Maintenance - Oxford Machine and Fabrication | Oxford | AL | — | ◇ UNVERIFIED |
| PPPlastic Power Extrusions CORP | Schiller Park | IL | — | ◇ UNVERIFIED |
| PAPlumbing and Mechanical Contractors | Milwaukie | OR | — | ◇ UNVERIFIED |
| PPPonam Precision Gages | Glendale | CA | — | ◇ UNVERIFIED |
| PLPort Logistics | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| PPPositive Prototype Industries | Fraser | MI | — | ◇ UNVERIFIED |
| PSPower Solutions International | Wood Dale | IL | — | ◇ UNVERIFIED |
| PCPrecision Coatings INC | Cleveland | OH | — | ◇ UNVERIFIED |
| PFPrecision Fabricators INC | Stuarts Draft | VA | — | ◇ UNVERIFIED |
| PIPrecision INC | Corning | IA | — | ◇ UNVERIFIED |
| PMPrecision Machine Products INC | Gastonia | NC | — | ◇ UNVERIFIED |
| PMPrecision Metalwork INC | Goodlettsville | TN | — | ◇ UNVERIFIED |
| PMPrecision Metal Works-frankfort | Frankfort | KY | — | ◇ UNVERIFIED |
| PTPrecision Tools and Mold LLC | Ironwood | MI | — | ◇ UNVERIFIED |
| PIPrimecast, Inc.(former) | South Beloit | IL | — | ◇ UNVERIFIED |
| PFPrime Fabrication INC | San Juan Capistrano | CA | — | ◇ UNVERIFIED |
| PWPrime Wheel | Carson | CA | — | ◇ UNVERIFIED |
| PPProcess Prototype INC | Romulus | MI | — | ◇ UNVERIFIED |
| PProtolabs | Minneapolis | MN | — | ◇ UNVERIFIED |
| PLPrototech Laser-chesterfield | Chesterfield | MI | — | ◇ UNVERIFIED |
| PMPulse Medical INC | Davie | FL | — | ◇ UNVERIFIED |
| PCPure Castings | Austin | TX | — | ◇ UNVERIFIED |
| PPPurolator Products INC | Dexter | MO | — | ◇ UNVERIFIED |
| PPyrotek | Tulsa | OK | — | ◇ UNVERIFIED |
| QFQuality Frames, INC. | Elkhart | IN | — | ◇ UNVERIFIED |
| QPQuality Product Finishing | Houston | TX | — | ◇ UNVERIFIED |
| QCQualserv CORP - Kansas City Div | Kansas City | MO | — | ◇ UNVERIFIED |
| QMQuemetco Metals LTD INC. | Irving | TX | — | ◇ UNVERIFIED |
| QCQuincy Castings, INC. | Quincy | OH | — | ◇ UNVERIFIED |
| QPQuincy Products | Quincy | MI | — | ◇ UNVERIFIED |
| RDRacer Danville Landfill | Danville | IL | — | ◇ UNVERIFIED |
| RTRadford Trading, LLC | Radford | VA | — | ◇ UNVERIFIED |
| RMRainbow Muffler & Brake | Sandusky | OH | — | ◇ UNVERIFIED |
| RWRalph's Welding, INC. | Russellville | AR | — | ◇ UNVERIFIED |
| RHRealbark Hunting Systems INC | Henderson | TX | — | ◇ UNVERIFIED |
| RIRebb Industries | Yadkinville | NC | — | ◇ UNVERIFIED |
| RHReda Hps | Owasso | OK | — | ◇ UNVERIFIED |
| RPReelex Packaging Solutions | Patterson | NY | — | ◇ UNVERIFIED |
| RRRemy Reman, LLC | Taylorsville | MS | — | ◇ UNVERIFIED |
| RMRettig Machine Shop, INC. | Redlands | CA | — | ◇ UNVERIFIED |
| RCRex Cut Products Incorporated | Fall River, City of | MA | — | ◇ UNVERIFIED |
| RIRex Iron & Machine Products INC | Denver | CO | — | ◇ UNVERIFIED |
| RMRhino Metals INC | Caldwell | ID | — | ◇ UNVERIFIED |
| RMRiggs Machine & Fabricating INC. | Ashland | KY | — | ◇ UNVERIFIED |
| RSRiverfalls Shop | River Falls | AL | — | ◇ UNVERIFIED |
| RFRmg Foundry | Mishawaka | IN | — | ◇ UNVERIFIED |
| RKRm Kerner CO | Erie | PA | — | ◇ UNVERIFIED |
| RFRobinson Foundry INC | Alexander City | AL | — | ◇ UNVERIFIED |
| RARoderick Arms & Tool CORP | Monett | MO | — | ◇ UNVERIFIED |
| RCRol-lift Corporation | Little Rock | AR | — | ◇ UNVERIFIED |
| RSRoss Sand Casting Industries, Inc., Plan | Winchester | IN | — | ◇ UNVERIFIED |
| RSRoss Sand Casting Industry, LLC | Orrville | OH | — | ◇ UNVERIFIED |
| RDRoto Die CO INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| RCRoto-die Company, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| RIRpn INC | Morristown | TN | — | ◇ UNVERIFIED |
 Rti Remmele Engineering Big Lake - Plant 40 | Big Lake | MN | — | ◇ UNVERIFIED |
| RMRushford Machine & Manufacturing CO | Rushford | NY | — | ◇ UNVERIFIED |
| RTRxc Technologies | San Jose | CA | — | ◇ UNVERIFIED |
| SESaeilo Enterprises | Worcester, City of | MA | — | ◇ UNVERIFIED |
| SSSamuel, Son & Company (usa) INC. | Heath | OH | — | ◇ UNVERIFIED |
| SMSandvik Mining & Construction CO | Bristol | VA | — | ◇ UNVERIFIED |
| SISandwich Iron Foundry | Plano | IL | — | ◇ UNVERIFIED |
| SISatterfield INC. | Alexander City | AL | — | ◇ UNVERIFIED |
| SCSchwab Corporation | Cannelton | IN | — | ◇ UNVERIFIED |
| SEScott Engineering and Procurement, INC. (1431004456) | Loveland | OH | — | ◇ UNVERIFIED |
| SEScott Equipment CO | New Prague | MN | — | ◇ UNVERIFIED |
| SEScott Equipment Company | Arlington | MN | — | ◇ UNVERIFIED |
| SFSeaboard Foundry | Johnston, Town of | RI | — | ◇ UNVERIFIED |
| SCSelectivend CORP | Waukee | IA | — | ◇ UNVERIFIED |
| SDServ-all Die & Tool CO. | Crystal Lake | IL | — | ◇ UNVERIFIED |
| SFSherman Foundry | Sherman | TX | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| SMSignet Machine INC | Grandville | MI | — | ◇ UNVERIFIED |
| SLS L Auburn INC | Auburn | NY | — | ◇ UNVERIFIED |
| SMSmiths Machine and Welding Company INC | Brookhaven | MS | — | ◇ UNVERIFIED |
| STSmiths Tubular Systems | Laconia | NH | — | ◇ UNVERIFIED |
| SMSmtc Manufacturing CORP of Massachusetts | Franklin | MA | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| SCSolomon Corporation - Flandreau | Flandreau | SD | — | ◇ UNVERIFIED |
| SCSomerset Consolidate/somerset | Somerset | PA | — | ◇ UNVERIFIED |
| SPSoramatic Precision Machining | Warren | MI | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SPSouriau Paande Sequim | Sequim | WA | — | ◇ UNVERIFIED |
| SMSouthern Metal Processing Company | Oxford | AL | — | ◇ UNVERIFIED |
| SMSouthern Miscellaneous Columbia LLC | West Columbia | SC | — | ◇ UNVERIFIED |
| SISparkman Industries Plant 2 | Victoria | TX | — | ◇ UNVERIFIED |
| SFSparta Foundry INC | Sparta | MI | — | ◇ UNVERIFIED |
| SMSpartech Marine Industries Florida | Rockledge | FL | — | ◇ UNVERIFIED |
| SFSpecial Fab & Machine, INC. | Lexington | NC | — | ◇ UNVERIFIED |
