Laval, Quebec

Sanofi Canada Head Office
2905 Place Louis-R.-Renaud,
Laval, QC H7V 0A3
  (514) 956-6200

Toronto, Ontario

Sanofi Pasteur Head Office, Manufacturing, R&D
1755 Steeles Ave W, 
North York, ON M2R 3T4
  (416) 667-2700
  (800) 268-7263

Mississauga, Ontario

Sanofi Genzyme Office
2700 Matheson Blvd E, 
Mississauga, ON L4W 4V9
  (905) 625-0011