An Authorized Personnel Only Sign at your facility, plant, business or private property will help security and aid in avoiding unnecessary disruptions or activities where they do not belong. Prevent theft, accidents and liability issues with Authorized Personnel Only Signs from SafetySign.com. Our Keep Out Signs, Restricted Area Signs, and Employee Only Signs will help you mark these doors and areas to prevent incidents, disturbances or property damage. Our security signs come in a variety of styles, sizes and materials to suit every need. Browse our selection of Authorized Personnel Only Signs and order your today!