Homeland Surveillance Investigations and Installations (HSI) is a full service licensed electric contractor and licensed integrated security company. HSI Security designs, installs, repairs and services integrated security systems for commercial properties including, apartment buildings, Co-ops, Condos, medical complexes, multi-family residential, office buildings, public and private centers, schools and warehouses. HSI provides solutions for the full range of security systems and the products, equipment, software and services to safeguard your building and properties.