CCSI Security, Inc. SECURITY GUARD CCSI Security, Inc. Visit Website 1761 University Blvd. Jackson, MS 39204 (601) 366-4542 About Map About CCSI provides a full range of security guard services in Mississippi and surrounding states. We provide our clients with well-trained and highly qualified security guards. What's Nearby? Distance: 5 10 15 20 25 50 mi.