National Consumer Advisory Council全国消费者咨询委员会 National Council of Acoustical Consultants国家议会的声学顾问 National Clean Air Coalition国家清洁空气的联盟 National Coalition Against Censorship国家联合攻击的审查 National Children's Advocacy Center国家儿童宣传中心 North Coast Athletic Conference北海岸的体育会议 National Career Academy Coalition国家职业学院联合 National Certified Addiction Counselor国家注册成瘾的顾问 National Consumer Assistance Center (Experian)国家的消费者援助中心(Experian) Native Community Action Council当地社会行动委员会 National Center for Alternative Certification (teaching)中国疾病预防控制中心的选择性认证(教) New Challenges for Access Control新挑战的访问控制 National College Advising Corps国家大学咨询组织 Non-Compandored Analog CarrierNon-Compandored模拟的载体 National Childcare Accreditation Council国家儿童认证委员会