CCTV is often used for surveillance Businesses. CCTV can be utilized so that people inside the building can see who is trying to enter and prevent allowing access to someone they do not want on the premises. This system is designed to operate continuously. They can be as simplified or complicated as per client’s requirements. The most common businesses and offices that utilize CCTV are banks, airports, casinos, military installations, schools, convenience stores, grocery stores and hospitals. The more public access that is available, the more CCTV is typically utilized.