Ontario- Mines
Algom-Nordic Mine
Algom-Quirke Mine
Aunor Gold Mines Limited
Bonetal Gold Mines Limited
Broulan Porcupine Mines Limited
Buffalo Ankerite Gold Mines Limited
Bulora Corporation Limited
Campbell Red Lake Mines Limited
Castle Tretheway
Central Patricia Gold Mines Limited
Chesterville Mines Limited
Cochenour Willans Gold Mines Limited
Coniaurum Mines Limited
Delnite Mines Limited
Denison Mines Limited
Dickenson Mines Limited
Dome Mines Limited
Hallnor Mines Limited
Hardrock Gold Mines Limited
Hasaga Gold Mines Limited
Hollinger Consolidated Gold Mines Limited (including Ross & Young-Davidson Mines)
Kerr-Addison Gold Mines Limited
Kirkland Lake Gold Mining Company Limited
Lake Shore Mines Limited
Leitch Gold Mines Limited
Little Long Lac Gold Mines Limited
Ontario - Mines
Macassa Mines Limited
MacLeod-Cockshutt Gold Mines Limited
Madsen Red Lake Gold Mines Limited
Matachewan Consolidated Mines Limited
McIntyre Porcupine Mines Limited
McKenzie Red Lake Gold Mines Limited
Noranda Mines Limited
Omega Gold Mines Limited
Pamour Porcupine Mines Limited
Paymaster Consolidated Mines Limited
Pickle Crow Gold Mines Limited
Preston East Dome Mines Limited
Pronto Uranium Mines Limited
Renabie Mines Limited
Rio Algom Mines Limited – (used at Lacnor, Nordic, Panel, Pronto, Quirke, Quirke 2, Milliken)
Ross Mine (Hollinger)
Stanrock (owned by Denison Mine)
Sylvanite Gold Mines Limited
The Teck-Hughes Gold Mines Limited
Toburn Gold Mines Limited
Upper Canada Mines Limited
Wright-Hargreaves Mines Limited
Young-Davidson (Hollinger operated)
Ontario - Other
Findlay's Limited (foundry)