For 24-hour emergency service, call Cote Lock Service. Cote Locks has been a family run business for three generations, offering professional Locksmith Services to the Kitchener-Waterloo, Cambridge, Guelph and surrounding communities. Today we specialize in Automatic Door Openers, Door Operators, New Access Control Systems, and Card Access Systems. Give us a call to find out more about how we can help secure your Property.