Tantalus Systems Holding Inc., a technology company, provides smart grid solutions in Canada and the United States. It operates in two segments, Connected Devices and Infrastructure, and Utility Software Applications and Services. 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. This segment also sells multi-relay load control switches; and a suite of 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 and other subscriptions; professional services, including project management, deployment, installation, and engineering support; and post-contract technical support and annual software maintenance services. This segment also offers software applications AI enabled data analytics and a suite of professional services to support utilities. It provides 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 pinpoint 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.