| LWLamb Weston Hermiston Plant | Hermiston | OR | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |
| MHMetalmax Hermiston | Hermiston | OR | Fabricated Metal Product Manufacturing332114 | 1-19 | ◐ LIKELY ACTIVE |
| CHChs Hermiston Feed Mill | Hermiston | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| MHMarlette Homes Hermiston | Hermiston | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| RPRiver Point Farms | Hermiston | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SFShearers Foods | Hermiston | OR | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| URUmatilla Ready Mix Hermiston Plant | Hermiston | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| 9H955 - Hermiston Or | Hermiston | OR | Wood Product Manufacturing321991 | 100-499 | ◐ LIKELY ACTIVE |
| HHermiston | Hermiston | OR | Food Manufacturing311119 | 500+ | ◐ LIKELY ACTIVE |
| OLOxarc LLC Hermiston | Hermiston | OR | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| RARdo Agriculture Equipment CO. | Hermiston | OR | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| ARAmerican Rock Products | Hermiston | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix Hermiston | Hermiston | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCircle C Equipment LLC | Hermiston | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| EIEoms INC | Hermiston | OR | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| EIEpha Inc. | Hermiston | OR | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| EIEpha Inc. | Hermiston | OR | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| FMFolletts Meat Company | Hermiston | OR | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| GEGe Engine Services INC | Hermiston | OR | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| GCGranite Construction | Hermiston | OR | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| HFHermiston Foods | Hermiston | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| JRJ R Simplot Wastewater Facility | Hermiston | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| JFJsh Farms | Hermiston | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| KMKenneth Morris | Hermiston | OR | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| NMNw Metal Fabricators INC | Hermiston | OR | Machinery Manufacturing333294 | — | ◇ UNVERIFIED |
| PHPioneer Hi Bred International INC | Hermiston | OR | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| PNPremier Northwest LLC | Hermiston | OR | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| PLPropak Logistics INC | Hermiston | OR | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| RPRiver Point Farms | Hermiston | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SHSt. Hilaire Brothers Hermiston Farm, LLC | Hermiston | OR | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| WPWalchli Potato | Hermiston | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
