Canadian Advanced Technology Alliance加拿大的先进技术联盟 Canadian Advanced Technology Association加拿大的先进技术协会 Capital Area Technology Association (New York)首都地区科技协会(纽约) Computer Assisted Traditional Animation计算机辅助传统动画显示 Capital Area Transit Authority (Harrisburg, PA)首都地区交通管理局(哈里斯堡,PA) Cable Telecommunications Association有线通信协会 Crawford Area Transportation Authority (Meadville, Pennsylvania)克劳福德区域交通管理局(提、宾西法尼亚州) Cleveland Automotive Trade Association克里夫兰的汽车贸易协会 Chicago Automobile Trade Association芝加哥汽车行业协会 Commonwealth Association of Tax Administrators (United Kingdom)联邦税收管理协会(英国) Community Antenna Television Association社区天线电视协会 Connecticut Art Therapy Association康涅狄格艺术治疗协会 Capital Area Transportation Authority (Lansing, Michigan)首都地区运输署(密歇根) Central Arkansas Transit Authority阿肯色州中部交通主管机关定之 Capital Area Tennis Association (Texas)首都地区职业网球协会(得克萨斯)