| PHPoclain Hydraulics INC | Sturtevant | WI | Fabricated Metal Product Manufacturing332990 | 100-499 | ◐ LIKELY ACTIVE |
| PIPolyonics, INC. | Westmoreland | NH | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| PIPort Industries INC | Palmyra | MO | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| PIPort Industries INC | Palmyra | MO | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| PFPower Flame Incorporated | Parsons | KS | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| PCPrecision Castparts CORP - Airfoils LLC | Painesville | OH | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| PHPrecision Hydraulic Cylinders | Beulaville | NC | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| PPPrecision Products INC | Lincoln | IL | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| PIPremier Industries Corporation | Monroe | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PPPremier Press | Portland | OR | Printing and Related Support Activities323110 | 100-499 | ◐ LIKELY ACTIVE |
| PCPride Conveyance Systems | Hollister | CA | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| PFProminent Fluid Controls, INC. | Pittsburgh | PA | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| PSPro Spot International INC | Carlsbad | CA | Machinery Manufacturing333992 | 100-499 | ◐ LIKELY ACTIVE |
| PAPyrotek Aurora | Aurora | OH | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| QIQuickdraft INC | Canton | OH | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| RHRadius Hdd Tools | Weatherford | TX | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| RIRay-man INC | Keota | IA | Machinery Manufacturing333111 | 1-19 | ◐ LIKELY ACTIVE |
| RMRaymond - Muscatine, INC. | Muscatine | IA | Machinery Manufacturing333924 | 500+ | ◐ LIKELY ACTIVE |
| RCReed City Group LLC | Reed City | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| RLReichdrill LLC | Philipsburg | PA | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| RRelco | Willmar | MN | Machinery Manufacturing333241 | 100-499 | ◐ LIKELY ACTIVE |
| RIRennco INC | Homer | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| RRevcor | Carpentersville | IL | Machinery Manufacturing333412 | 100-499 | ◐ LIKELY ACTIVE |
Rheem Manufacturing Company | Fort Smith | AR | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
Rheem Manufacturing Water Heater Div | Montgomery | AL | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| RPRichfield Packaging Solutions | Pell City | AL | Machinery Manufacturing333514 | 1-19 | ◐ LIKELY ACTIVE |
| RIRichwood Industries | Huntington | WV | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| RERiley Equipment | Vincennes | IN | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| RERitchie Engineering INC | Bloomington | MN | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| RHRite Hite Product Corporation | Horn Lake | MS | Fabricated Metal Product Manufacturing332439 | 100-499 | ◐ LIKELY ACTIVE |
| RSRmf Steel Products | Grandview | MO | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| RIRoadtec, INC. (riverside Drive Plant) | Chattanooga | TN | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| RBRobert Bosch Semiconductor LLC | Roseville | CA | Machinery Manufacturing333242 | 100-499 | ◐ LIKELY ACTIVE |
| RMRoeslein Modular Fabrication | Red Bud | IL | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| RPRoper Pump Company | Commerce | GA | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| RURoxell USA INC | Anderson | MO | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| RMRuland Manufacturing CO. INC | Marlborough | MA | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| SCSaelens CORP | Johnson Creek | WI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| SMSandvik Mining & Construction LLC USA | Alachua | FL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| SCSanmina Corporation | San Jose | CA | Machinery Manufacturing333242 | — | ◐ LIKELY ACTIVE |
Santa Fe Enterprises INC. | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SMSchlagel Manufacturing | Torrington | WY | Machinery Manufacturing333111 | 1-19 | ◐ LIKELY ACTIVE |
Schroeder Industries | Cumberland | MD | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| SIScotchman Industries INC | Philip | SD | Machinery Manufacturing333512 | 20-99 | ◐ LIKELY ACTIVE |
| SMScreen Machine Industries LLC | Pataskala | OH | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| SMSemco Morrilton | Morrilton | AR | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| SSSeven Stones Projects CORP | Mentor | OH | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| SCSev-rend CORP | Collinsville | IL | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| SESew Eurodrive | Troy | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| SESew Eurodrive INC | Hayward | CA | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |