| MTMedford Truss CO INC | White City | — | ◇ UNVERIFIED |
| MWMgo Wood Products | Springfield | — | ◇ UNVERIFIED |
| MAMichael Allen White, Jr. | Mount Vernon | — | ◇ UNVERIFIED |
| MJMichael J Martin | Harrisburg | — | ◇ UNVERIFIED |
| MSMichael S Merica & Caryn E Merica | Gold Beach | — | ◇ UNVERIFIED |
| MCMid Columbia Lumber Products LLC | Madras | — | ◇ UNVERIFIED |
| MOMonroe Oak INC | Sheridan | — | ◇ UNVERIFIED |
| MMMoore Mill & Lumber CO | Bandon | — | ◇ UNVERIFIED |
| MMMoore Mill & Lumber CO | Bandon | — | ◇ UNVERIFIED |
| MBMorelock Brothers LLC | Bend | — | ◇ UNVERIFIED |
| MSM & S LLC | Madras | — | ◇ UNVERIFIED |
| MLMullen Lumber INC | Molalla | — | ◇ UNVERIFIED |
| MCMurphy Company | Gold Hill | — | ◇ UNVERIFIED |
| MCMurphy Company | Sutherlin | — | ◇ UNVERIFIED |
| MFMustang Framing Components INC | Salem | — | ◇ UNVERIFIED |
| MWMyron Wierzba | Pendleton | — | ◇ UNVERIFIED |
| MFMyrtlewood Factory Showroom INC | North Bend | — | ◇ UNVERIFIED |
| NLNaturalyards LLC | Talent | — | ◇ UNVERIFIED |
| NENorth End Shipping Components LLC | Salem | — | ◇ UNVERIFIED |
| NWNorth West Clear Wood | Brownsville | — | ◇ UNVERIFIED |
| NCNorthwest Coating Systems INC | Woodburn | — | ◇ UNVERIFIED |
| NDNorthwest Door and Supply INC | Tualatin | — | ◇ UNVERIFIED |
| NDNorthwest Door & Sash Company | Springfield | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods Bethel Drive | Eugene | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods INC | Coos Bay | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods INC | Garibaldi | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods INC | Myrtle Point | — | ◇ UNVERIFIED |
| NMNorthwest Millwork INC | Salem | — | ◇ UNVERIFIED |
| NSNorthwest Structural Components LLC | Redmond | — | ◇ UNVERIFIED |
| NWNorthwest Wood Reflections INC | Eugene | — | ◇ UNVERIFIED |
| NGNw Green Panels LLC | Madras | — | ◇ UNVERIFIED |
| NGNw Green Panels LLC | Madras | — | ◇ UNVERIFIED |
| OLOchoco Lumber Company | John Day | — | ◇ UNVERIFIED |
| OMOlaf M Oja Lumber CO | Sandy | — | ◇ UNVERIFIED |
| OHOld Harlan Mill | Blodgett | — | ◇ UNVERIFIED |
| OMOlney Mill INC | Astoria | — | ◇ UNVERIFIED |
| OIOnebuild INC | Klamath Falls | — | ◇ UNVERIFIED |
| OOO & O Cutstock INC | White City | — | ◇ UNVERIFIED |
| OBOregon Barrel Works INC | Mcminnville | — | ◇ UNVERIFIED |
| OCOregon Canadian Forest Products INC | North Plains | — | ◇ UNVERIFIED |
| ODOregon Dome INC | Veneta | — | ◇ UNVERIFIED |
| OPOregon Pacific Bldg Products INC | Dallas | — | ◇ UNVERIFIED |
| OPOregon Pallet Repair INC | Salem | — | ◇ UNVERIFIED |
| OTOregon Truss CO INC | Dayton | — | ◇ UNVERIFIED |
| OIOutbuilders INC | Redmond | — | ◇ UNVERIFIED |
| PWPace Wood Products LLC | Pendleton | — | ◇ UNVERIFIED |
| PAPacific Architectural Wood Products | Portland | — | ◇ UNVERIFIED |
| PFPacific Fibre Products INC | Cornelius | — | ◇ UNVERIFIED |
| PFPacific Firs LLC | Prineville | — | ◇ UNVERIFIED |
| PGPacific Green Innovations INC | Portland | — | ◇ UNVERIFIED |
