| PTPAS Technologies Inc. dba StandardAero | Hillsboro | OH | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| PCPDXMP Contech Engineered Solutions LLC | Hillsboro | OR | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| PDPetit Domaine Winery LLC | Hillsboro | VA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PSPlanar Systems, A Leyard Company - Headquarters | Hillsboro | OR | Computer and Electronic Product Manufacturing334310 | 100-499 | ◐ LIKELY ACTIVE |
| PSPlanar Systems - Evergreen Location | Hillsboro | OR | Computer and Electronic Product Manufacturing334310 | 20-99 | ◐ LIKELY ACTIVE |
| PPPremier Packaging, LLC- HILLSBORO | Hillsboro | OR | Paper Manufacturing322211 | 1-19 | ◐ LIKELY ACTIVE |
| PLPro-Flex, LLC | Hillsboro | IN | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| PLPumptech LLC | Hillsboro | OR | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| QQrs | Hillsboro | OR | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| QHQuantumClean - Hillsboro | Hillsboro | OR | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| RHRedBuilt Hillsboro Plant | Hillsboro | OR | Wood Product Manufacturing321214 | 20-99 | ◐ LIKELY ACTIVE |
| RARonler Acres Campus | Hillsboro | OR | Computer and Electronic Product Manufacturing334413 | 500+ | ◐ LIKELY ACTIVE |
| RORoutes Oregon | Hillsboro | OR | Food Manufacturing311991 | 20-99 | ◐ LIKELY ACTIVE |
| RORWC Oregon | Hillsboro | OR | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SVSandy Valley Brewing Company | Hillsboro | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCScotch Church Road Vineyard | Hillsboro | OR | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SSSkyworks Solutions, Inc. - Hillsboro, OR | Hillsboro | OR | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
| TTTexas T Winery LLC | Hillsboro | TX | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TFThermo Fisher Scientific | Hillsboro | OR | Computer and Electronic Product Manufacturing334516 | 500+ | ◐ LIKELY ACTIVE |
| TRThe Russell House, LLC | Hillsboro | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TATOK America | Hillsboro | OR | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| TTTrue Terpenes | Hillsboro | OR | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
| TMTurk Manufacturing Hillsboro | Hillsboro | OR | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| WSWild Sun Winery | Hillsboro | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |