Ames Research Center American Red Cross Association for Retarded Citizens ATLANTIC RICHFIELD CO. Australian Research Council Aeronautical Research Council Agricultural Research Council Alien Registration Card Astrophysical Research Consortium Attached Resource Computer accelerating rate calorimetry Advanced RISC Computing Agency Ranking Committee Aggregation of Red Cells aids related complex Air Reserve Components American Refugee Committee Appalachian Regional Commission Atlantic Research Corporation AUTOMATIC RELAY CALCULATOR Academic Resource Center Accounting Requirements Code Addiction Research Center advanced regulatory control Advanced Research Center Agricultural Research Center AIDS-related complex Aircrew Reception Centre Alexander Railroad Alexander Railroad Company