| Boise Cascade Kettle FallsSawmillBoise Cascade | United States | Softwood | Operating | No data yet |
| Borsodwood MiskolcSawmillBorsodwood Kft. | Hungary | Hardwood | Closed 2025 | 20 000 m3/y sawn timberestimated from 40 000 m3/y log intake |
| Boyer MillPulp millBoyer Capital Pty Ltd | Australia | Softwood | Operating | No data yet |
| Braspine JaguariaivaSawmillBraspine Madeiras Ltda. | Brazil | Softwood | Operating | No data yet |
| Braspine Telemaco BorbaSawmillBraspine Madeiras Ltda. | Brazil | Softwood | Operating | No data yet |
| Bratsk MillPulp millIlim Group | Russia | Mixed | Operating | 975 000 t/y pulp |
| Brattby SågverkSawmillBrattby Sågverks AB | Sweden | Softwood | Operating | 70 000 m3/y sawn timber |
| Braun Holzwerk UehlingenSawmillBraun Holzwerk GmbH | Germany | Softwood | Operating | 53 000 m3/y sawn timberestimated from 105 000 m3/y log intake |
| Braviken Paper MillPulp millHolmen Paper AB | Sweden | Softwood | Operating | 750 000 t/y pulp |
| Braviken sågverkSawmillHolmen Trävaror | Sweden | Softwood | Operating | 600 000 m3/y sawn timber |
| Brewton MillPulp millGeorgia-Pacific | United States | Softwood | Operating | No data yet |
| Bruck MillPulp millNorske Skog ASA | Austria | Softwood | Operating | No data yet |
| Brüder Theurl AsslingSawmillBrüder Theurl GmbH | Austria | Softwood | Operating | 278 000 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 | - | Converted 2025 | 178 000 m3/y sawn timber |
| BSW Latvia (Stopiņu pag.)SawmillSIA BSW Latvia | Latvia | - | Operating | 220 000 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 | Softwood | 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 | Softwood | Operating | 250 000 m3/y sawn timber |
| Bučina DDD ZvolenSawmillBučina DDD, a.s. | Slovakia | Hardwood | Operating | 80 000 m3/y |
| Bukocel Pulp MillPulp millBUKOCEL, a.s. | Slovakia | - | Closed 2025 | 160 000 t/y pulp |
| Burgo Ardennes MillPulp millBurgo Group | Belgium | Hardwood | Operating | 400 000 t/y pulp |
| Bygdsiljum sågverkSawmillHolmen Trävaror | Sweden | Softwood | Operating | 500 000 m3/y sawn timber |
| C&D Lumber RiddleSawmillC&D Lumber Co | United States | Softwood | Closed 2024 | No data yet |
| Caima MillPulp millAltri S.A. | Portugal | Hardwood | Operating | 115 000 t/y pulp |
| Caledonian MillPulp millUPM-Kymmene Oyj | United Kingdom | Softwood | Operating | No data yet |
| Cali Mill (Yumbo)Pulp millSmurfit Kappa Carton de Colombia S.A. | Colombia | Mixed | Operating | 350 000 t/y pulp |
| 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 |
| Canfor AxisSawmillCanfor Southern Pine | United States | Softwood | Operating | 424 000 m3/y sawn timber |
| Canfor CamdenSawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor ChetwyndSawmillCanadian Forest Products Ltd. | Canada | Softwood | Closed 2023 | 390 000 m3/y sawn timber |
| Canfor ConwaySawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor DarlingtonSawmillCanfor Southern Pine | United States | Softwood | Closed 2025 | No data yet |
| Canfor ElkoSawmillCanadian Forest Products Ltd. | Canada | Softwood | Operating | 345 000 m3/y sawn timber |
| Canfor EstillSawmillCanfor Southern Pine | United States | Softwood | Closed 2025 | No data yet |
| Canfor Fort St. JohnSawmillCanadian Forest Products Ltd. | Canada | Softwood | Closed 2024 | 489 000 m3/y sawn timber |
| Canfor Fox CreekSawmillCanfor | Canada | Softwood | Closed | 204 000 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 | Softwood | Closed 2023 | 645 000 m3/y sawn timber |
| Canfor Iron Mountain (El Dorado)SawmillCanfor Southern Pine | United States | Softwood | Operating | 297 000 m3/y sawn timber |
| Canfor MarionSawmillCanfor Southern Pine | United States | Softwood | Operating | No data yet |
| Canfor MobileSawmillCanfor Southern Pine | United States | Softwood | 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 | Softwood | Closed 2024 | 603 000 m3/y sawn timber |