Health Insuring Organization健康保险机构 Health Information Organization健康信息的组织 Horse Industry Organization马的行业组织 High Intensity Operations高强度的操作 Harvard International Office哈佛大学的国际扶轮办事处 Horse Inspection Organization (inspects walking horses at horse shows)马匹检查组织(视步行马马表演) Hogere Informatica-OpleidingHogere Informatica-Opleiding Hole-In-One (chiropractic)一杆进洞(脊骨) High Income Opportunities高收入的机会 High Income Opportunity Fund, Inc.高收入的机会,公司资金 Hillsboro, Oregon USA美国俄勒冈西斯波罗