Information Systems Security Organization信息系统安全的组织 Information System Security Officer信息系统安全官员 Information Systems Security Office信息系统安全的办公室 International Self-Service Organization国际自助组织 Institute for Space Systems Operations太空研究所系统操作 International Swaminarayan Satsang Organization国际Swaminarayan Satsang组织 International Side Saddle Organization (Stevensville, MD)国家队,Stevensville马鞍组织 Information Services Support Office (Army)信息服务支持办公室(军)