Chartered Association of Certified Accountants渣打银行注册会计师协会 Chinese American Citizens Alliance中国的美国公民联盟 Chicago Art Critics Association芝加哥艺术评论家协会 Cool-Air-Cool-Air (electric motor)Cool-Air-Cool-Air(电机) Central Arkansas Cricket Association阿肯色州中部板球协会 Cataract, Crystalline Aculeiform or Frosted白内障、水晶Aculeiform或结霜 Croton Academy of Comedic Arts (Croton-on-Hudson, New York)喜剧艺术学院(蛋清Croton-on-Hudson,纽约) California Apprenticeship Coordinators Association加州的学徒协调人协会 Closed Air Circuit Air Cooled关闭空气回路风冷 Chinese American Cultural Association中美文化协会