| PTProduction Tooling CO | Memphis | TN | — | ◇ UNVERIFIED |
| PIProfessional Instruments CO | Rochester | MN | — | ◇ UNVERIFIED |
| PTProfile Tool and Engineering INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| PTProgressive Tool & Die, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| PEProtech Engineering INC | Elk River | MN | — | ◇ UNVERIFIED |
| PTPro Tech Machining INC | Litchfield | MN | — | ◇ UNVERIFIED |
| PGProto Gage INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
| PTPro Tool & Die LLC | Chesterfield | MI | — | ◇ UNVERIFIED |
| PIPtc-in-liquidation, INC. | Saegertown | PA | — | ◇ UNVERIFIED |
| PMPtc Molds, Llc, a Colorado Corporation | Scottsdale | AZ | — | ◇ UNVERIFIED |
| QMQc Molds INC Dba Quality Craft Molds | Magalia | CA | — | ◇ UNVERIFIED |
| QCQuad City Engineering Co, Inc. | East Moline | IL | — | ◇ UNVERIFIED |
| QTQuality Time Components | Traverse City | MI | — | ◇ UNVERIFIED |
| QTQuality Tool Company | Toledo | OH | — | ◇ UNVERIFIED |
| QTQuality Tool & Die, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| QTQuality Tooling Systems INC. | Medina | OH | — | ◇ UNVERIFIED |
| QTQuality Tool & Machine INC | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| QFQuick Fab INC | Middletown | RI | — | ◇ UNVERIFIED |
| RFRadii Form Grinding | Maple Grove | MN | — | ◇ UNVERIFIED |
| RLRalph Lynn Jr Dba Titan Gage INC | White House | TN | — | ◇ UNVERIFIED |
| RDRalyn Design Inc | Palos Hills | IL | — | ◇ UNVERIFIED |
| RAR and M Machine LLC | Chicopee | MA | — | ◇ UNVERIFIED |
| RIRangeview INC | El Segundo | CA | — | ◇ UNVERIFIED |
| RMRapid Mold Solutions, INC. | Erie | PA | — | ◇ UNVERIFIED |
| RTRare Tool INC | Tecumseh | MI | — | ◇ UNVERIFIED |
| RTRBXWeld Technologies LLC | Dayton | OH | — | ◇ UNVERIFIED |
 R & D Tool & Engineering Company | Lees Summit | MO | — | ◇ UNVERIFIED |
| RTRearick Tooling INC. | Apollo | PA | — | ◇ UNVERIFIED |
| RReed-rico | Bristol | RI | — | ◇ UNVERIFIED |
| RHREIT Holdings LLC | Dayton | OH | — | ◇ UNVERIFIED |
| RFReliable Forge Die & Eng | Fraser | MI | — | ◇ UNVERIFIED |
| RTResearch Tool Corporation | Ovid | MI | — | ◇ UNVERIFIED |
| R2RH 2031 Calvin, LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| RBRichard Brothers Punch Co* | Memphis | TN | — | ◇ UNVERIFIED |
| RTRichard Tool & Die CORP | New Hudson | MI | — | ◇ UNVERIFIED |
| RTRichmond Tooling INC | Colonial Heights | VA | — | ◇ UNVERIFIED |
| RPRid-lom Precision Mfg. CORP. | Rochester | NY | — | ◇ UNVERIFIED |
| RIR & I Enterprises, INC. | Brownsville | TX | — | ◇ UNVERIFIED |
| RJR. J. Zeman Tool & Mfg. Co., INC. | Waukesha | WI | — | ◇ UNVERIFIED |
| RCR.k. Cylindrical Grinding INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| RTRml Tool and Die Company | Cleveland | OH | — | ◇ UNVERIFIED |
| RTRobbins Tools Die & Mfg CO INC | Henderson | TN | — | ◇ UNVERIFIED |
| RBRober Bosch Tool Corporation | Walnut Ridge | AR | — | ◇ UNVERIFIED |
| RPRodak Plastics CO. INC. | Hayward | CA | — | ◇ UNVERIFIED |
| RPRoebuck Precision Machine, INC | Goldsboro | NC | — | ◇ UNVERIFIED |
| RSRolled Shapes & Engineering INC | Fraser | MI | — | ◇ UNVERIFIED |
| RSRosey Steel Rule Die Co., INC. | Dalton | GA | — | ◇ UNVERIFIED |
| RCRoto-die Company INC | Anaheim | CA | — | ◇ UNVERIFIED |
| RMRoyal Maple Metal Sales LLC | Mc Bain | MI | — | ◇ UNVERIFIED |
| RRR & R Tool & Die Company | Villa Ridge | MO | — | ◇ UNVERIFIED |
