HQE Systems is a provider of mass notification and electronic security solutions. It offers assessment, design, development, installation, and maintenance of commercial off-the-shelf and custom-made outdoor warning sirens, indoor mass notification systems, and electronic security systems including closed-circuit television, access control, and intrusion detection systems. The company also provides early warning and electronic mass notification AI- and ML-based software design. HQE Systems caters to education, municipalities, government, healthcare, oil and gas, and other sectors.