• Hagersville
  • Fairview Farm Dairy
  • Hewitt's Dairy
  • Inces Dairy
  • West End Dairy
• Haileybury
  • Ideal Dairy
  • Temiskaming Dairies Ltd.
• Haliburton
  • Walling's Dairy
• Hamilton
  • Angus Secord
  • Avondale Dairy
  • Bonnie Bank Dairy
  • Borden's
  • Evergreen Farm Dairy
  • The Fairfield Modern Dairy Ltd.
  • Farmer's Dairy & Creamery Co.
  • Hamilton Co-op Creameries
  • W. Harmer
  • Mount Hamilton Dairy
  • Mountain View Dairy
  • Royal Oak Dairy Ltd.
  • Silver Creek Dairy
  • Silverwood's Dairies Ltd.
  • Springbank Dairy
  • H. Taylor
  • Woodhall's Dairy Ltd.
• Hanmer
  • Capreol Dairy
• Hanover
  • Hanover Dairy
  • Ideal Dairy
  • McCallan's Ideal Dairy
• Harriston
  • Crystal Dairy
  • Harriston Dairy
• Havelock
  • Rutherford's Dairy
  • Smith's Dairy
• Hawkesbury
  • Eastern Dairy
  • Leduc Dairy
  • Laiterie Long Sault Dairy
  • Modern Dairy
  • Laiterie Perfection Dairy
• Hearst
  • Cooperative Laitiere Regionale de Hearst
  • La Laiterie Bergeron
  • Laiterie Hearst Dairy
• Hensall
  • Hurondale Dairy
• Hespeler
  • Harmer's Victoria Dairy
  • Hespeler Dairy
  • Maple Shade Dairy
  • Rosehill Farm Dairy
• Humberstone
  • Sider's Dairy
• Huntsville
  • Cloverdale Dairy
  • Horton's Dairy
  • Huntsville Dairy