How do i contact inter con? Inter-Con Security Systems, Inc. 210 South De Lacey Avenue. Pasadena, California 91105. T: 626.535.2200. INTER-CON What is inter con? Inter-Con was founded in 1973 by retired Los Angeles Police Department Lieutenant Enrique “Hank” Hernandez. His vision for Inter-Con was to create a company capable of providing comprehensive security solutions to businesses and governments whose security needs exceeded the capabilities of traditional “guard companies.” We...Who is interintercon security? Intercon Security, Ltd. Is a global security solution provider with headquarters in Vancouver, Toronto, Ontario, Canada.Is intercon security still in business? It was owned by Tyco Solutions, and in late 2000’s, it was purchased by ADT Security. Intercon Security is no longer in operation. Intercon Security Ltd. offered in-house training to their staff at no cost.