To build a building isn’t easy for owners and contractors years ago. Specially, in the times when the building is under construction. Despite the security measures of installing a temporary fence for the building it does not assure security from thieves that wanted to steal the construction materials like cements, tiles, steels, and many more expensive materials for construction. Building owners or contractors will be heavily burdened with replenishing the construction materials expenses. Lost would be so great. Damage reaches millions. Nowadays, building owners and contractors are so happy to have found a security assurance while the building is under construction. This security is possible through construction Protective Service (CPS) of Security Company in Los Angeles. This is a security that views construction site on a web-based mobile surveillance unit even at the remote location. CPS works twenty-four hours and 7 days a week (24/7) at a cost-effective price. With their advance surveillance system it would only require one human security guard to monitor inside a trailer van. This would mean a lesser persons employed and lesser person to be paid during payday and above all lesser human risk exposure. All monitoring relies mainly on the most dependable technology aided surveillance system, which involves a sensory sensitive system and an infrared detectors implanted along with security cameras (that triggers or activated when it detects any motions) at the different location of the building construction site. The surveillance system can detect the presence of any unrecognized persons. These security companies have been serving contructors for several years at the different locations in the US such as Security Companies in San Diego and security companies in Sacramento. As a businessman you will be pleased with how much money, time, and effort you can save by securing your construction site through CPS.