| PPolyguard | Afton | WY | — | ◇ UNVERIFIED |
| PBPrecision Bend & Machine CO. | Walcott | IA | — | ◇ UNVERIFIED |
| PIPrecision Industries INC | Broomfield | CO | — | ◇ UNVERIFIED |
| PMPrecision Machine Work, INC. | La Verne | CA | — | ◇ UNVERIFIED |
| PPPrecision Plus INC | Elkhorn | WI | — | ◇ UNVERIFIED |
| PSPrecision Screw Products., INC. of Janesville | Janesville | WI | — | ◇ UNVERIFIED |
| PSPrecision Solutions INC. | Richmond | UT | — | ◇ UNVERIFIED |
| PTPrecision Technology, INC. | Las Cruces | NM | — | ◇ UNVERIFIED |
 Precision Tool & Grinding, INC. | Mobile | AL | — | ◇ UNVERIFIED |
 Precision Waterjet and Laser | Placentia | CA | — | ◇ UNVERIFIED |
| PTPreferred Tool LLC | Wyoming | MN | — | ◇ UNVERIFIED |
| PTPreferred Tool, LLC | Hugo | MN | — | ◇ UNVERIFIED |
| PLPrimal Life Organics LLC | Copley | OH | — | ◇ UNVERIFIED |
| PCPrime Conveyor INC | Merrillville | IN | — | ◇ UNVERIFIED |
| PCPrinciple Cnc Manufacturing, | Norwood | MN | — | ◇ UNVERIFIED |
| PCProcess Control | Burbank | CA | — | ◇ UNVERIFIED |
| PEProduct Engineering Corporation | Torrance | CA | — | ◇ UNVERIFIED |
 Progressive Machine & Design LLC | Victor | NY | — | ◇ UNVERIFIED |
| PIProtocafe INC | Newark | CA | — | ◇ UNVERIFIED |
| PPPure Performance Group, INC. | Waterford | NY | — | ◇ UNVERIFIED |
| QAQuality Aerospace Coating, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| QAQuality Aircraft Tooling, INC | Marietta | GA | — | ◇ UNVERIFIED |
| QCQuality Contour INC | Lakeville | MN | — | ◇ UNVERIFIED |
 Quality Machine & Fabrication, INC. | La Fayette | GA | — | ◇ UNVERIFIED |
| QTQuik Tek Machining, LLC | Wichita | KS | — | ◇ UNVERIFIED |
| RURacks Unlimited, INC | Sylmar | CA | — | ◇ UNVERIFIED |
| RDRanger Die INC | Coopersville | MI | — | ◇ UNVERIFIED |
 Rapid Manufacturing INC. | Powhatan | VA | — | ◇ UNVERIFIED |
| RJRay Joye Machine and Fabrication, INC. | Victorville | CA | — | ◇ UNVERIFIED |
| RCRbm Conveyor Systems INC | Pomona | CA | — | ◇ UNVERIFIED |
| RHRce Heat Exchangers LLC | Carrollton | OH | — | ◇ UNVERIFIED |
| RMR-d Manufacturing, INC. | East Lyme | CT | — | ◇ UNVERIFIED |
| RSReal Steel Fabricators INC | Nashville | TN | — | ◇ UNVERIFIED |
| RLRecherche LLC Dba All My Walls | Pine River | MN | — | ◇ UNVERIFIED |
| RIReflections in Metal, LLC. | Cortez | CO | — | ◇ UNVERIFIED |
| RCRfr Custom Fab, INC. | Paradise | CA | — | ◇ UNVERIFIED |
| RLR-interests, LLC | Muenster | TX | — | ◇ UNVERIFIED |
| RMRisa Management CORP. | New Lebanon | NY | — | ◇ UNVERIFIED |
| RTRl Tool INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RMRobbins Manufacturing INC | Fall River | WI | — | ◇ UNVERIFIED |
| RHRobert H Oliva INC Dba Romakk Enginerring | Northridge | CA | — | ◇ UNVERIFIED |
| RSRoll Service Industries, LLC | Dover | NH | — | ◇ UNVERIFIED |
| RIRomak Iron Works | Benicia | CA | — | ◇ UNVERIFIED |
| RERomtex Enterprises, INC. | Sugar Land | TX | — | ◇ UNVERIFIED |
| RFRooks Fabrication, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| RERotation Engineering - Manufacturing Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| RMRoyal Manufacturing Industries LLC | Santa Ana | CA | — | ◇ UNVERIFIED |
| RNRsquared Nyna INC. | Edgewood | NY | — | ◇ UNVERIFIED |
| RMRuff Manufacturing INC | Farmington | MN | — | ◇ UNVERIFIED |
| RMRusert Machine Shop, LLC. | Midland | TX | — | ◇ UNVERIFIED |
| STSaber Tool Company INC. | Cadillac | MI | — | ◇ UNVERIFIED |
| SCSajawi Corporation | Littleton | MA | — | ◇ UNVERIFIED |
| SSSami Super Abrasive Machining and Innovations, LLC | Ridgway | PA | — | ◇ UNVERIFIED |
| SRSanta Rosa Stainless Steel | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SCSanz Clima Dba Kenway Engineering | Fairmont | MN | — | ◇ UNVERIFIED |
| SMSar Manufacturing INC | Albert Lea | MN | — | ◇ UNVERIFIED |
| SNSb Northwest Investments LLC (dba: Eagle Trailer Manufacturing) | Portland | OR | — | ◇ UNVERIFIED |
| SBS Bravo Systems INC | Commerce | CA | — | ◇ UNVERIFIED |
| SFSchafer's Fisheries | Fulton | IL | — | ◇ UNVERIFIED |
| SMSchantz Mfg INC. | Highland | IL | — | ◇ UNVERIFIED |
| SESchoolhouse Electric CO | Portland | OR | — | ◇ UNVERIFIED |
| SCScientific Cutting Tools INC | Simi Valley | CA | — | ◇ UNVERIFIED |
| SIScojet INC. | Brunswick | GA | — | ◇ UNVERIFIED |
| SMScott's Machining, LLC | Corinth | MS | — | ◇ UNVERIFIED |
| SCSeachrome Corporation | Carson | CA | — | ◇ UNVERIFIED |
| SASeal a Tron Corporation | Portland | OR | — | ◇ UNVERIFIED |
| SISeilkop Industries, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| SLSeroge L.t. | Riverside | CA | — | ◇ UNVERIFIED |
| SEService Extrusion Die Company INC | Comstock Park | MI | — | ◇ UNVERIFIED |
| SMService Manufacturing Group, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SFS & F Sonics, INC Dba Omegasonics | Simi Valley | CA | — | ◇ UNVERIFIED |
| SWShore Western Mfg INC | Monrovia | CA | — | ◇ UNVERIFIED |
| SMSierra Metals INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SISignsource, INC | Orange | CA | — | ◇ UNVERIFIED |
| SASilvertip Associates INC | Blaine | MN | — | ◇ UNVERIFIED |
| SESisson Engineering CORP | Orange | MA | — | ◇ UNVERIFIED |
| SSSix Sigma | Milpitas | CA | — | ◇ UNVERIFIED |
| SISkw Industries LLC | Chicago | IL | — | ◇ UNVERIFIED |
| SFSmg Fab, INC. | Leola | PA | — | ◇ UNVERIFIED |
| STSmk Tri Cities INC | Pasco | WA | — | ◇ UNVERIFIED |
| SMSnavely Machine - Manufacturing Co., INC. | Peru | IN | — | ◇ UNVERIFIED |
| SSSocket Source | Cerritos | CA | — | ◇ UNVERIFIED |
| SCSolfire Contract Manufacturing Incorporated | Fort Wayne | IN | — | ◇ UNVERIFIED |
| SISonju Industrial, INC | Kalispell | MT | — | ◇ UNVERIFIED |
| SASouthern Aviation Parts & Services | Pooler | GA | — | ◇ UNVERIFIED |
| SYSouthport Yachts, LLC | Augusta | ME | — | ◇ UNVERIFIED |
| SSSouth Shore Manufacturing. INC. | Hanson | MA | — | ◇ UNVERIFIED |
| SSSouth Shore Tool & Die INC | Benton Harbor | MI | — | ◇ UNVERIFIED |
| SPSouthwest Powder of Arizona, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| STSpecial Tool Solutions | Jacksonville | FL | — | ◇ UNVERIFIED |
| SCSputtering Components INC | Owatonna | MN | — | ◇ UNVERIFIED |
| SMSsi Manufacturing Technologies CORP. | Bristol | CT | — | ◇ UNVERIFIED |
| SSS & S Machine | Amherst | NH | — | ◇ UNVERIFIED |
| SSS - S Tool, INC. | Anoka | MN | — | ◇ UNVERIFIED |
| SFStandish Fabricating INC | Pinconning | MI | — | ◇ UNVERIFIED |
| SCSt. Croix Custom Fabrication, INC. | Hudson | WI | — | ◇ UNVERIFIED |
| SDSteel Designs, INC. | Houston | TX | — | ◇ UNVERIFIED |
| SMSteel Machining INC Dba Aremco | Grand Rapids | MN | — | ◇ UNVERIFIED |
| SLSteel-plus, LLC | Ider | AL | — | ◇ UNVERIFIED |
| STSteel Tech Enterprises INC | Canby | OR | — | ◇ UNVERIFIED |
