J&K Lock and Security Professionals Your Full Service Security Professionals Purchase on-line at : Call us at: 608-255-5799 or 608-271-2171 information@jklock.com 24 Hour Emergency Service and Repairs 636 S. Park Street Madison, Wisconsin people have visited this site since 1/14/98. Who We Are.... Full Service Locksmiths with over 75 years combined experience Certified, Bonded and Insured ...