National Advisory Committee on Drugs (Ireland)国家的谘询委员会,药物(爱尔兰) National Association of Chemical Distributors经销商协会的化学物质 National Association of Container Distributors经销商协会的容器 National Association of Corporate Directors公司董事协会 National Association of Cave Diving洞穴潜水协会 National Association of Computer Dealers电脑经销商协会 National Association of Conservation Districts国家节水协会的 National Academy for Child Development国家发展为孩子 Native American Consultation Database印地安人咨询的数据库 National Authority for Combating Drugs (Cambodia)国家机关打击毒品(柬埔寨) National Academy Of Child Development国家儿童发展 North Auburn Community Development北赤褐色的社区发展