Veterinarians Near Me in Holtyre, Ontario Veterinarians Near Me in Holtyre, Ontario Home / Ontario / Holtyre / Veterinarians Veterinarians East Gwillimbury Veterinary Hospital 18990 McCowan, Holtyre, ON L0G 1M0, Holtyre, Ontario 905-473-1659 Veterinarians East Gwillimbury Veterinary Hospital 18990 McCowan, Holtyre, ONL0G 1M0, Holtyre, Ontario 905-473-1659 Categories of companies in Holtyre Bus Lines Contractors - General Stables Veterinarians