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CALSCollege of Agriculture and Life Sciences (Cornell University)
CALSContinuous Acquisition and Life-Cycle Support
CALSCentral Arkansas Library System (Little Rock, AR)
CALSCentre for Applied Legal Studies (South Africa)
CALSCommerce At Light Speed
CALSComputer-Aided Logistics Support (original name for Continuous Acquisition and Life-cycle Support)
CALSComprehensive Advanced Life Support (various locations)
CALSCalifornia Lichen Society (Fairfax, California)
CALSCanadian Association for Leisure Studies
CALSComputer-Aided Acquisition & Logistics Support
CALSComputer-Aided Lifecycle Support
CALSCentral Area Loop Study (Covington, Kentucky)
CALSContingency Airfield Lighting System
CALSCommittee for Ammunition Logistics Support
CALSCloud and Aerosol Lidar System
CALSComprehensive Analytical Laboratory Services
CALSCommunications Area Local Station
CALSCombat Assault Landing Strip (US DoD)