• L'Original
  • J.C. LaFlamme
• Lakefield
  • Glynnwood Farms Dairy
  • Lakefield Dairy
• Lambeth
  • Lambeth Dairy
• Lanark
  • Barr's Dairy
• Lancaster
  • Glengarry Dairy
• Larder Lake
  • Eplett's Dairy
  • Market Dairy
  • Producers Dairy
• LaSalle
  • LaSalle Dairy
• Leamington
  • Hunter's Dairy
  • Jersey Dairy
  • Kennedy's Dairy
  • Lakeside Jersey Dairy Ltd.
• Lindsay
  • Archer's Dairy
  • C.H. Lee
  • Lindsay Creamery Ltd.
  • Maple Leaf Dairy
• Lion's Head
  • Lion's Head Dairy
• Listowel
  • Listowel Dairies
  • Purity Dairy
• Little Current
  • Farquhar's Dairy
• London
  • Mark Ayres Dairy
  • Bellevue Park Farm Dairy
  • Bobmar Dairies Ltd.
  • Borden Co. Ltd.
  • Brown's Belvoir Dairy
  • City View Dairy
  • Dicy's Dairy
  • Gold Seal Dairies Ltd.
  • Hickory Grove Dairy
  • Johnson-Hill Dairy
  • London City Dairies
  • London Pure Milk Company Ltd.
  • Lornehurst Dairy
  • Mount Bernard Farms
  • Pleasant Hill Dairy
  • Richmond Dairy
  • Robb's Dairy
  • Saul's Dairy
  • Wilson's Dairy Ltd.
• Lucknow
  • Fairview Dairy
• Lyn
  • Avondale Farm Dairy