Tantalus Systems Holding Inc. operates as a smart grid technology company in Canada and the United States. It operates through Connected Devices and Infrastructure, and Utility Software Applications and Services segments. The Connected Devices and Infrastructure segment sells computing modules used into multiple devices, including meters, sensors, and street lighting fixtures, as well as distributes automation equipment. It also sells multi-relay load control switches, communications infrastructure devices to deliver an industrial network-of-things/ Internet-of-Things (IoT) smart grid, including base stations, repeaters, and collectors. The Utility Software Applications and Services provides software licenses; hosting services; software as a service; professional services, including project management, deployment, installation, and engineering support; and post-contract technical support and annual software maintenance services. The company offers TRUConnect AMI, a multi-commodity industrial IoT network that delivers visibility, command, and control of assets managed by utilities; TRUFlex Load+DER Management system, which manages various residential and commercial loads; TRUGrid Automation, a suite of application and analytics tools to identify anomalies from data; TRUSync Grid Data Management, a grid data management system that automates utility data; and TRUSense Gateway solutions. Tantalus Systems Holding Inc. is headquartered in Burnaby, Canada.