Global Sector Services Inc. is a full-service security company located in Jackson, Miss. It has been serving Jackson and the surrounding communities for over 21 years. The firm offers a comprehensive line of alarm and security services designed for residential, commercial and government clients. Global Sector Services Inc. offers a comprehensive line of alarm and security services designed for residential, commercial and government clients. Global Sector Services is one of the Mississippi's leading security service providers for Government facilities. It offers contracts for both State and Federal Government offices.. Access Control Systems,Commercial Buildings,Commercial Services,Government Services,Industrial Buildings,Industrial Services,Residential Buildings,Residential Services,Security Systems