Hungarian American Cultural Association匈牙利的美国文化协会 Humboldt Academy for Career Advancement学院的职业发展机会。另外 Houston Area Carriage Association休斯顿运输协会 Haitian American Community Association (Chicago, IL)海天美国社区协会(论坛,中华民国) H-bonding Acceptor Changed AreaH-bonding受体改变区域 Hamilton and Area Curling Association汉密尔顿和区域冰壶运动协会 Hmong American Community Association苗族社区协会。美国 Homebuilders Association of Central ArizonaHomebuilders协会亚利桑那州 Houston Area Council of ABWAABWA大休斯顿地区委员会 Hydrogen-Abstraction/Carbon-AdditionHydrogen-Abstraction / Carbon-Addition Hawaiian Acres Community Association夏威夷亩社区协会 human anti-chimeric antibodies人类anti-chimeric抗体 Hyderabad Agricultural Co-Operative Association Ltd农业合作协会有限公司海得拉巴 6-Hydroxy-2-Aminocaproic Acid6-Hydroxy-2-Aminocaproic酸 Highbury Area Community Association海地区社区协会