• Davisville
  • G.G. Avery
• Delhi
  • Crystal Dairy
  • Delhi Sanitary Dairy
• Deseronto
  • Moon's Dairy
• Drayton
  • Drayton Dairy
• Dresden
  • Dresden Dairy
• Dryden
  • Grove Side Dairy
• Dundalk
  • Dundalk Dairy
• Dundas
  • Valley City Dairy
• Dunnville
  • Dunnville Dairy
  • Root's Dairy
• Durham
  • Durham Dairy
  • Pride of Durham Dairy
• Dutton
  • Strathcona Creamery