| Bois et Scieries du Centre (Sauviat-sur-Vige)SawmillBois et Scieries du Centre (BSC) | France | Softwood | Operating | 90 000 m3/y sawn timber |
| Bois Francs Bio Serra (Sainte-Monique)SawmillBois Francs Bio Serra | Canada | - | Operating | 125 000 m3/y sawn timberestimated from 250 000 m3/y log intake |
| Bois Génération Avenir MontgailhardPellet plantBois Génération Avenir | France | - | Status unknown | 20 000 t/y pellets |
| Bois LIB (Princeville)SawmillBois LIB inc. | Canada | - | Operating | 120 000 m3/y sawn timberestimated from 240 000 m3/y log intake |
| Boisaco Sacre-CoeurSawmillBoisaco Inc. | Canada | Softwood | Operating | No data yet |
| Boise Cascade ArdenSawmillBoise Cascade | United States | Softwood | Operating | No data yet |
| Boise Cascade Kettle FallsSawmillBoise Cascade | United States | Softwood | Operating | No data yet |
| Boniferro Mill Works (Sault Ste. Marie)SawmillBoniferro Mill Works Inc. | Canada | - | Operating | No data yet |
| Boomerang Enerji AfyonkarahisarPellet plantBoomerang Enerji, Yatirim Sanayi ve Ticaret AS. | Turkey | - | Operating | 60 000 t/y pellets |
| Bordiga Francesco Lodrone pellet plantPellet plantBordiga Francesco S.r.l. | Italy | - | Operating | 10 000 t/y pellets |
| Borisovski DOK pellet plant (Borisov, Minsk region)Pellet plantJSC Borisovski DOK | Belarus | - | Operating | No data yet |
| Borisovski experimental leshoz Nemanitsa pellet plant (Nemanitsa, Borisov district, Minsk region)Pellet plantGOLHU Borisovski experimental leshoz | Belarus | - | Status unknown | No data yet |
| Borregaard SarpsborgPulp millBorregaard ASA | Norway | 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 |
| Boshuo Bioenergy Anhui Province SuzhouPellet plantBoshuo Bioenergy | China | - | Operating | 36 000 t/y pellets |
| Bourgogne PelletsPellet plantBourgogne Pellets | France | - | Operating | 15 000 t/y pellets |
| Boyer MillPulp millBoyer Capital Pty Ltd | Australia | Softwood | Operating | No data yet |
| Braća Đurić MM TeslićPellet plantBraća Đurić MM | Bosnia and Herzegovina | - | Operating | 10 000 t/y pellets |
| Bracell Mato Grosso do Sul (Água Clara)Pulp millBracell | Brazil | Hardwood | | No data yet |
| Braga Spa CasalmaggiorePellet plantBraga Spa | Italy | - | Operating | 20 000 t/y pellets |
| Braga Spa Scandolara RavaraPellet plantBraga Spa | Italy | - | Operating | 12 000 t/y pellets |
| Brasil Palu Mandirituba (Mandirituba, PR)Pellet plantBrasil Palu Ltda | Brazil | - | Operating | 15 000 t/y pellets |
| Brasil Pellet Industria e Comercio Rio dos Cedros (Rio dos Cedros, SC)Pellet plantBrasil Pellet Industria e Comercio | Brazil | - | Operating | 10 000 t/y pellets |
| Braspine JaguariaivaSawmillBraspine Madeiras Ltda. | Brazil | Softwood | Operating | No data yet |
| BrasPine Madeiras Jaguariaíva pellet plant (Jaguariaíva, PR)Pellet plantBraspine Madeiras Ltda | Brazil | - | Operating | 70 000 t/y pellets |
| BrasPine Madeiras Telêmaco Borba pellet plant (Telêmaco Borba, PR)Pellet plantBraslumber Indústria de Molduras Ltda | Brazil | - | Operating | 80 000 t/y pellets |
| Braspine Telemaco BorbaSawmillBraspine Madeiras Ltda. | Brazil | Softwood | Operating | No data yet |
| Bratsk MillPulp millIlim Group | Russia | Mixed | Operating | 975 000 t/y pulp |
| Bratsk Pellets Vikhorevka (Vikhorevka, Irkutsk region)Pellet plantBratsk Pellets LLC | Russia | - | Status unknown | No data yet |
| 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 |
| Braunschweiler Pellets BremgartenPellet plantBraunschweiler Pellets | Switzerland | - | Operating | 3 000 t/y pellets |
| 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 |
| Brennpunkt Energie RuderatshofenPellet plantBrennpunkt Energie | Germany | - | Operating | 45 000 t/y pellets |
| Brenvel Kamin Kashirsk (Kovel)Pellet plantBrenvel | Ukraine | - | Operating | 35 000 t/y pellets |
| Brenvel Kamin Kashirsk (Turiysk)Pellet plantBrenvel | Ukraine | - | Operating | 10 000 t/y pellets |
| Bretagne PelletsPellet plantBretagne Pellets | France | - | Operating | 60 000 t/y pellets |
| Brewton MillPulp millGeorgia-Pacific | United States | Softwood | Operating | No data yet |
| Brikwood ChotěbořPellet plantBRIKWOOD s.r.o. | Czech Republic | - | Operating | 14 000 t/y pellets |
| Briquepar- EPP Telemaco Borba (Telemaco Borba, PR)Pellet plantBriquepar Ind. E Comm. De Residuos De Madeira Eireli | Brazil | - | Operating | 24 000 t/y pellets |
| Briquettes Raro Vila Nova de GaiaPellet plantBriquettes Raro | Portugal | - | Operating | 50 000 t/y pellets |
| Brizant Energy Center Zubki pellet plant (Zubki, Liozno district, Vitebsk region)Pellet plantBrizant Energy Center | Belarus | - | 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 |
| Brunswick Cellulose MillPulp millGeorgia-Pacific | United States | Softwood | Operating | No data yet |
| BSH DĄBROWSCY SyskiPellet plantBSH DĄBROWSCY | Poland | - | Operating | 60 000 t/y pellets |
| 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 |