| Bratsk MillPulp millIlim Group | Russia | Mixed | Operating | 1 300 000 t/y pulp production |
| Brattby SågverkSawmillBrattby Sågverks AB | Sweden | Softwood | Operating | 70 000 m3/y sawn timber |
| Braun Holzwerk UehlingenSawmillBraun Holzwerk GmbH | Germany | Softwood | Operating | 52 500 m3/y sawn timberestimated from 105 000 m3/y log intake |
| Braviken Paper MillPulp millHolmen Paper AB | Sweden | Softwood | Operating | 400 000 t/y pulp production |
| Braviken sågverkSawmillHolmen Trävaror | Sweden | Softwood | Operating | 600 000 m3/y sawn timber |
| Brewton MillPulp millGeorgia-Pacific | United States | Softwood | Operating | 500 000 t/y pulp production |
| Brüder Theurl AsslingSawmillBrüder Theurl GmbH | Austria | - | Operating | 277 500 m3/y sawn timberestimated from 555 000 m3/y log intake |
| Brunner-Stern HohenbergSawmillBrunner-Stern | Austria | Softwood | Operating | 45 000 m3/y sawn timberestimated from 90 000 m3/y log intake |
| BSW CarlisleSawmillBSW Timber Ltd | United Kingdom | - | Operating | 178 000 m3/y sawn timber |
| BSW Newbridge-on-WyeSawmillBSW Timber Ltd | United Kingdom | - | Operating | 150 000 m3/y sawn timber |
| BSW PetersmuirSawmillBSW Timber Ltd | United Kingdom | - | Operating | 17 000 m3/y sawn timber |
| BSW SouthamptonSawmillBSW Timber Ltd | United Kingdom | - | Closed | 50 000 m3/y sawn timber |
| BSW Timber Boat of GartenSawmillBSW Timber Ltd | United Kingdom | - | Closed 2022 | No data yet |
| BSW Timber DalbeattieSawmillBSW Timber Ltd | United Kingdom | - | Operating | 330 000 m3/y sawn timber |
| BSW Timber Fort WilliamSawmillBSW Timber Ltd | United Kingdom | - | Operating | 250 000 m3/y sawn timber |
| BSW Timber GomilskoSawmillBSW Timber d.o.o. | Slovenia | - | Operating | 150 000 m3/y sawn timberestimated from 300 000 m3/y log intake |
| Bučina DDD ZvolenSawmillBučina DDD, a.s. | Slovakia | - | Operating | 80 000 m3/y |
| Burgo Ardennes MillPulp millBurgo Group | Belgium | Hardwood | Operating | 400 000 t/y pulp production |
| Bygdsiljum sågverkSawmillHolmen Trävaror (f.d. Martinsons) | Sweden | Softwood | Operating | 500 000 m3/y sawn timber |
| Byko-LatSawmillBitus Latvia SIA (f.d. Byko-Lat) | Latvia | - | Operating | 240 000 m3/y sawn timber |
| C&D Lumber RiddleSawmillC&D Lumber Co | United States | Softwood | Operating | No data yet |
| Caima MillPulp millAltri S.A. | Portugal | Hardwood | Operating | 105 000 t/y pulp production |
| Caledonian MillPulp millUPM-Kymmene Oyj | United Kingdom | Softwood | Operating | 235 000 t/y pulp production |
| Callans TräSawmillCallans Trä AB | Sweden | Softwood | Operating | 100 000 m3/y sawn timber |
| Cally Sawmill (Timber Project Solutions)SawmillTimber Project Solutions | United Kingdom | - | Operating | No data yet |
| Camaçari MillPulp millBracell | Brazil | Hardwood | Operating | 500 000 t/y pulp production |
| Canfor AxisSawmillCanfor Southern Pine | United States | Softwood | Operating | 424 448 m3/y sawn timber |
| Canfor CamdenSawmillCanfor Southern Pine | United States | - | Operating | No data yet |
| Canfor ChetwyndSawmillCanadian Forest Products Ltd. | Canada | - | Closed 2023 | 149 406 m3/y sawn timber |
| Canfor ConwaySawmillCanfor Southern Pine | United States | - | Operating | No data yet |
| Canfor DarlingtonSawmillCanfor Southern Pine | United States | - | Closed 2025 | No data yet |
| Canfor ElkoSawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | 344 652 m3/y sawn timber |
| Canfor EstillSawmillCanfor Southern Pine | United States | - | Closed 2025 | No data yet |
| Canfor Fort St. JohnSawmillCanadian Forest Products Ltd. | Canada | - | Closed 2024 | 488 964 m3/y sawn timber |
| Canfor FultonSawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor Grande PrairieSawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | No data yet |
| Canfor HoustonSawmillCanadian Forest Products Ltd. | Canada | - | Closed 2023 | 645 161 m3/y sawn timber |
| Canfor Iron Mountain (El Dorado)SawmillCanfor Southern Pine | United States | - | Operating | 297 114 m3/y sawn timber |
| Canfor MarionSawmillCanfor Southern Pine | United States | - | Operating | No data yet |
| Canfor MobileSawmillCanfor Southern Pine | United States | - | Closed 2025 | No data yet |
| Canfor MoultrieSawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor Plateau (Vanderhoof/Engen)SawmillCanadian Forest Products Ltd. | Canada | - | Closed 2024 | 602 716 m3/y sawn timber |
| Canfor Polar (Bear Lake)SawmillCanadian Forest Products Ltd. | Canada | - | Closed 2024 | 478 778 m3/y sawn timber |
| Canfor Prince GeorgeSawmillCanadian Forest Products Ltd. | Canada | - | Operating | 573 854 m3/y sawn timber |
| Canfor Radium (Radium Hot Springs)SawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | 346 350 m3/y sawn timber |
| Canfor ThomasvilleSawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor UrbanaSawmillCanfor Southern Pine | United States | - | Operating | 246 180 m3/y sawn timber |
| Canfor Wynndel (Wynndel Box & Lumber)SawmillCanadian Forest Products Ltd. | Canada | - | Operating | 113 752 m3/y sawn timber |
| Capitán Bermúdez MillPulp millCelulosa Argentina S.A. | Argentina | Hardwood | Operating | 200 000 t/y pulp production |
| Carrier Forest Products (Big River)SawmillCarrier Forest Products LP | Canada | - | Idled 2026 | 424 448 m3/y sawn timber |