| RMRocky Mountain Truss CO. LLC | Stevensville | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| RMRocky Mountain Windows & Doors LLC | Billings | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| RTRy Timber | Livingston | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| RTRy Timber | Livingston | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| RYR Y Timber, INC. | Livingston | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SRSalmon River Wood, INC. | Missoula | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SPSierra Pacific Windows | Missoula | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SBSpecialty Beams, LLC | Heron | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SWSpecialty Woodworks Company | Hamilton | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SLStimson Lumber - Bonner | Bonner | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SLStimson Lumber - Libby | Libby | MT | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| TSTimberline Sawmill | Big Timber | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TMTimberweld Mfg | Columbus | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TTTitan Truss, LLC | Billings | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| TLTripp Lumber Company INC. | Missoula | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WSWestern Spindle, LLC | Townsend | MT | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| WBWhitman Boys Manufacturing, INC. | Columbia Falls | MT | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| YCYoder Cedar Works | Saint Ignatius | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
