 Hurd's Custom Machinery INC | Harrisburg | OR | Transportation Equipment Manufacturing336212 | — | ● ACTIVE |
 Knife River Prestress | Harrisburg | OR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FRForest River | Harrisburg | OR | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MCMonaco Coach Corporation | Harrisburg | OR | Transportation Equipment Manufacturing336213 | — | ◇ UNVERIFIED |
| GGheen | Harrisburg | OR | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| HHarrisburg | Harrisburg | OR | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| Knife River - Prestress Division Harrisburg | Harrisburg | OR | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| AIAgri-Bar Investments Inc. | Harrisburg | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| CIChs Inc., a Corporation of Minnesota | Harrisburg | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| DIDmh Industries, LLC | Harrisburg | OR | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| EVEagle Veneer, INC. | Harrisburg | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| EMEnco Manufacturing LLC | Harrisburg | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GIGheen Irrigation Works INC | Harrisburg | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| GIGheen Irrigation Works INC | Harrisburg | OR | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| JWJb Woodworks INC | Harrisburg | OR | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MJMichael J Martin | Harrisburg | OR | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| OLOrcal LLC (harrisburg, Or) | Harrisburg | OR | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| RRRelco Roof and Floor INC | Harrisburg | OR | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| SPSmucker Pelleting, LLC | Harrisburg | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| TCTann Corporation | Harrisburg | OR | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| TSTri State Carports INC | Harrisburg | OR | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
