| Georgia-Pacific TalladegaSawmillGeorgia-Pacific Wood Products | United States | Softwood | Operating | No data yet |
| Georgia-Pacific WarrentonSawmillGeorgia-Pacific Wood Products | United States | Softwood | Operating | No data yet |
| GH Winkler Holz AbtenauSawmillGH Winkler Holz | Austria | - | Operating | 42 500 m3/y sawn timberestimated from 85 000 m3/y log intake |
| Gilbert Smith Forest Products (Barriere)SawmillGilbert Smith Forest Product Ltd. | Canada | Softwood | Operating | 130 730 m3/y sawn timber |
| Gilchrist Forest ProductsSawmillNeiman Enterprises | United States | Softwood | Operating | No data yet |
| Glennon Brothers FermoySawmillGlennon Brothers | Ireland | - | Operating | No data yet |
| Glennon Brothers LongfordSawmillGlennon Brothers | Ireland | - | Operating | No data yet |
| Glennon Brothers TroonSawmillGlennon Brothers | United Kingdom | - | Operating | No data yet |
| Glennon Brothers WindymainsSawmillGlennon Brothers | United Kingdom | - | Operating | 50 000 m3/y sawn timber |
| Glommers TimberSawmillGlommers Timber AB | Sweden | Softwood | Operating | 70 000 m3/y sawn timber |
| Goldwood Industries (Richmond)SawmillGoldwood Industries Ltd. | Canada | - | Operating | 86 587 m3/y sawn timber |
| Gorman Brothers Lumber (Westbank)SawmillGorman (Gorman Brothers Lumber Ltd.) | Canada | Softwood | Operating | 215 620 m3/y sawn timber |
| Gotsu MillPulp millNippon Paper Industries Co., Ltd. | Japan | Mixed | Operating | No data yet |
| GP Wood (Lissarda/Enniskeane)SawmillGP Wood | Ireland | - | Operating | 250 000 m3/y |
| Grande Prairie MillPulp millGlobal Cellulose Fibers | Canada | Softwood | Operating | 360 000 t/y pulp production |
| Gratkorn MillPulp millSappi Limited | Austria | Softwood | Operating | 250 000 t/y pulp production |
| GreenFirst ChapleauSawmillGreenFirst Forest Products | Canada | - | Closed | No data yet |
| GreenFirst CochraneSawmillGreenFirst Forest Products | Canada | - | Closed | No data yet |
| GreenFirst HearstSawmillGreenFirst Forest Products | Canada | - | Closed | No data yet |
| GreenFirst KapuskasingSawmillGreenFirst Forest Products | Canada | - | Closed | No data yet |
| Groupe Cedrico (Causapscal)SawmillGroupe Cedrico Inc. | Canada | Softwood | Operating | 305 603 m3/y sawn timber |
| Groupe Corbat VendlincourtSawmillGroupe Corbat Vendlincourt SA | Switzerland | Hardwood | Operating | 15 000 m3/y sawn timberestimated from 30 000 m3/y log intake |
| Groupe Crete ChertseySawmillGroupe Crete | Canada | Softwood | Operating | No data yet |
| Groupe Crete Saint-FaustinSawmillGroupe Crete | Canada | Softwood | Operating | 169 779 m3/y |
| Groupe Lebel DegelisSawmillGroupe Lebel Inc. | Canada | Softwood | Operating | No data yet |
| Groupe Lebel NouvelleSawmillGroupe Lebel inc. | Canada | Softwood | Operating | 220 713 m3/y sawn timber |
| Groupe Lebel Saint-HilarionSawmillGroupe Lebel inc. | Canada | Softwood | Operating | 84 890 m3/y sawn timber |
| Groupe Lebel Saint-Joseph-de-KamouraskaSawmillGroupe Lebel inc. | Canada | Softwood | Idled 2026 | 67 912 m3/y sawn timber |
| Groupe Lebel Saint-Pamphile (ex-Maibec)SawmillGroupe Lebel inc. | Canada | Softwood | Operating | 254 669 m3/y sawn timber |
| Groupe Lebel Vallée-des-Lacs (Squatec)SawmillGroupe Lebel inc. | Canada | Softwood | Operating | 101 868 m3/y sawn timber |
| Groupe Savoie Saint-QuentinSawmillGroupe Savoie Inc. | Canada | Hardwood | Operating | No data yet |
| Gruvön MillPulp millBillerud AB (publ) | Sweden | Softwood | Operating | 685 000 t/y pulp production |
| Gruvöns sågverkSawmillStora Enso Timber AB | Sweden | Softwood | Operating | 350 000 m3/y sawn timber |
| Guangxi Jingui Pulp & Paper MillPulp millAPP China | China | Hardwood | Operating | 1 500 000 t/y pulp production |
| Guangxi Liuzhou Paper MillPulp millAPP China | China | Hardwood | Status unknown | 1 200 000 t/y pulp production |
| Hainan Jinhai MillPulp millHainan Jinhai Pulp & Paper Co., Ltd. | China | Hardwood | Operating | 1 000 000 t/y pulp production |
| Haka-WoodSawmillOy Haka-Wood Ab | Finland | Hardwood | Operating | No data yet |
| Hällerums TrävaruSawmillFrödinge Hällerum Timber AB | Sweden | Softwood | Operating | No data yet |
| Hallsta Paper MillPulp millHolmen Paper AB | Sweden | Softwood | Operating | 500 000 t/y pulp production |
| Halo Sawmill (Pitt Meadows)SawmillHalo Sawmill Mfg LP | Canada | Softwood | Operating | 100 170 m3/y sawn timber |
| Hampton BanksSawmillHampton Lumber | United States | - | Closed | No data yet |
| Hampton DarringtonSawmillHampton Lumber | United States | - | Operating | No data yet |
| Hampton MortonSawmillHampton Lumber | United States | Softwood | Operating | No data yet |
| Hampton RandleSawmillHampton Lumber | United States | - | Operating | No data yet |
| Hampton TillamookSawmillHampton Lumber | United States | Softwood | Operating | No data yet |
| Hampton WarrentonSawmillHampton Lumber | United States | - | Operating | 339 559 m3/y sawn timber |
| Hampton WillaminaSawmillHampton Lumber | United States | Softwood | Operating | No data yet |
| Hancock Lumber BethelSawmillHancock Lumber | United States | Softwood | Operating | No data yet |
| Hancock Lumber CascoSawmillHancock Lumber | United States | Softwood | Operating | No data yet |
| Hancock Lumber PittsfieldSawmillHancock Lumber | United States | Softwood | Operating | No data yet |