All Companies
| Company Name | Location |
|---|---|
| Mary's River Lumber Co. - Bow | Bow, Washington |
| Mason, Bruce & Girard, Inc. | Corvallis, Oregon |
| Mason, Bruce & Girard, Inc. | Portland, Oregon |
| Master Builders Inc | Gresham, Oregon |
| Master Plan Remodeling | Portland, Oregon |
| Master Woodworks Inc | Salem, Oregon |
| MasterBrand Cabinets | Grants Pass, Oregon |
| Mastercraft Furniture Inc | Wilsonville, Oregon |
| Matt Myers | tygh valley, Oregon |
| Mauter Family Tree Farm | Lebanon, Oregon |
| Maverick Sawmill Services | Sherwood, Oregon |
| Max Wood Lumber Co. | Camas, Washington |
| May Rock & Excavating | |
| McArthur & Associates | Eugene, Oregon |
| McBrayer Cabinetry | Ashland, Oregon |
| McCallister & Hansen | Oregon City, Oregon |
| McCarthy Manufacturing | Gresham, Oregon |
| McCloskey-Shibley Tree Farm | Estacada, Oregon |
| McCluskey Cabinets | Springfield, Oregon |
| McCoy Logging, Inc. | Junction City, Oregon |