Circa Enterprises Inc. manufactures and supplies telecommunications and electrical products in the United States, Canada, and internationally. It operates in two segments, Telecommunications (Telecom) and Metal Fabrication (Metals). The Telecom segment offers surge protection products, ruggedized high-performance telecommunications equipment, and cables and connectivity products under the CircaMax brand; and designs, manufactures, supplies, and sells intelligent device monitoring and alarm management solutions. The Metals segment provides fabricated enclosures, pole line hardware, and other products to the Canadian electrical industry under the Hydel brand; and custom metal products for various industries. It also offers telephone systems, page / talk systems, talk / back systems, public address / general alarm (PA/GA) systems, acoustic booths, guardian enclosures and accessories, and ringers and loudspeakers under the brand Guardian Telecom; voice and data telecommunications over wireless infrastructure under the Teletics brand; alarm reporting and control solutions under the ProTalk brand; and remote terminal equipment and network management under the brand Westronic. The company was founded in 1985 and is headquartered in Calgary, Canada. As a result of the acquisition of Sicame Canada Holdings Inc., Circa Enterprises Inc.'s name was changed. As of April 14, 2023, Hydel Inc. operates as a subsidiary of Sicame Canada Holdings Inc.