Leader in electrical substation automation.

RuggedCom Inc. designs and manufactures rugged communications networking solutions for mission-critical applications in harsh environments globally. It offers Internet protocol (IP)-based rugged communications networking solutions, including Ethernet switches, network routers, wireless devices, serial servers, and media converters.

Listed on TSX, acquired by Siemens.
The company IPO'ed on Toronto's stock exchange in 2007 and was later acquired by Siemens Electric Ltd in 2012.