National Security Service, LLC - U.S. Security Guard Company providing trained, experienced and licensed security guards services in entire USA. <br /> <br />Our services include: <br /> <br />• Armed Security Guards <br />• Commercial Security Guards <br />• Construction Site Security <br />• Disaster Response <br />• Event Security Guards <br />• Fire Watch Services <br />• Mobile Security Patrols <br />• Personal Protection <br />• Residential security services <br />• Retail Security Guards <br />• School Security <br />• Security for Non-Profits <br />• Youth Tour Groups