TZ Ltd. known previously by various other names, is a company that develops and licenses proprietary technologies.
In 2004, CED Australasia acquired Telezygology, Inc., a United States fastener company that had formed in 1998.
Soon after, the company renamed itself to TZ Ltd. Around 2005, the company moved its headquarters from Sydney, Australia to Chicago, United States, but it remains registered on the Australian Securities Exchange, under the symbol TZL.
Dickory Rudduck, an Australian architect and inventor, invented the intelligent fastening technology.
[3] The technology was a 2005 Product of the Year finalist for NASA Tech Briefs magazine.