| PSPatz Sales INC | Pound | — | ◇ UNVERIFIED |
| PPPeakview Pinewood Tool LLC | Menomonee Falls | — | ◇ UNVERIFIED |
 Perfect Patterns, INC. | Appleton | — | ◇ UNVERIFIED |
| PHPeters Heavy Construction INC | Stevens Point | — | ◇ UNVERIFIED |
| PHPeters Heavy Construction INC | Marshfield | — | ◇ UNVERIFIED |
| PTPhoenix Tool LLC | Maribel | — | ◇ UNVERIFIED |
| PAPoiema Automation Inc. | Milwaukee | — | ◇ UNVERIFIED |
 Precision Die Systems Corporation | Eau Claire | — | ◇ UNVERIFIED |
| PPProduction Plastics CORP. a Div. of E-s Plastic Products LLC | Saukville | — | ◇ UNVERIFIED |
| PMPro Mach | Waukesha | — | ◇ UNVERIFIED |
| PIPro-Mation, Inc. | Kenosha | — | ◇ UNVERIFIED |
| PIPro-Mation, Inc. | Kenosha | — | ◇ UNVERIFIED |
| PIPro-Mation, Inc. | Kenosah | — | ◇ UNVERIFIED |
| PIPutzmeister INC | Sturtevant | — | ◇ UNVERIFIED |
| RCRaveling Companies, LLC | Clear Lake | — | ◇ UNVERIFIED |
| RIRcs Innovations | Milwaukee | — | ◇ UNVERIFIED |
| RCRegal-beloit Corporation | Glendale | — | ◇ UNVERIFIED |
| RRRegal Rexnord Industries CORP | Milwaukee | — | ◇ UNVERIFIED |
| RPResearch Products CORP | Madison | — | ◇ UNVERIFIED |
| RPResearch Products Corporation | Madison | — | ◇ UNVERIFIED |
| RERexnord Elastomer Products | New Berlin | — | ◇ UNVERIFIED |
| RIRHP Investments LLC | Wausau | — | ◇ UNVERIFIED |
| RCRio Creek Fabrication and Repair, LLC | Algoma | — | ◇ UNVERIFIED |
| RIRivco Industries LLC | Burlington | — | ◇ UNVERIFIED |
| RJR. J. Zeman Tool & Mfg. Co., INC. | Waukesha | — | ◇ UNVERIFIED |
| RWRockShield - WI LLC | Milltown | — | ◇ UNVERIFIED |
| RRsg-norlake | Hudson | — | ◇ UNVERIFIED |
| SMScan-pac Mfg., INC. | Menomonee Falls | — | ◇ UNVERIFIED |
 Schiller Grounds Care, INC. | Johnson Creek | — | ◇ UNVERIFIED |
| SLScooterbugs LLC | Hayward | — | ◇ UNVERIFIED |
| SPScot Pump, INC. a Division of Ardox CORP. | Cedarburg | — | ◇ UNVERIFIED |
| SBSecurity Boss Manufacturing, LLC | La Crosse | — | ◇ UNVERIFIED |
| SMSheridan Mold & Engineering, INC. | Saint Francis | — | ◇ UNVERIFIED |
| SMS & M Machine Services INC | Oconto Falls | — | ◇ UNVERIFIED |
| SISpecsys INC | Prentice | — | ◇ UNVERIFIED |
| SSSpidercut Systems LLC | Burlington | — | ◇ UNVERIFIED |
| SBSpike Brewing, LLC | Milwaukee | — | ◇ UNVERIFIED |
| SISpirit Implement LLC | Waupaca | — | ◇ UNVERIFIED |
| SMSpirit Manufacturing INC. | New Berlin | — | ◇ UNVERIFIED |
| TPTetra Pak Processing Equipment INC | Windsor | — | ◇ UNVERIFIED |
| TTThe Tower Company, Inc. | Two Rivers | — | ◇ UNVERIFIED |
| TTThe Trane Company - Main Complex | La Crosse | — | ◇ UNVERIFIED |
| TUThe Urban Craftsman LLC | Milwaukee | — | ◇ UNVERIFIED |
| TGTMK Group LLC | Milwaukee | — | ◇ UNVERIFIED |
 Trinity Tool & Manufacturing LLC | Jackson | — | ◇ UNVERIFIED |
| Trinity Tool & Manufacturing LLC | Brookfield | — | ◇ UNVERIFIED |
| TITru-Position, Inc. | Slinger | — | ◇ UNVERIFIED |
| TDTwin Disc Inc., Plant 1 (racine St.) | Racine | — | ◇ UNVERIFIED |
| UEUcc Environmental | Pleasant Prairie | — | ◇ UNVERIFIED |
| UPUnipunch Products, INC. | Clear Lake | — | ◇ UNVERIFIED |
