Office of International Affairs国际事务办公室 Outdoor Industry Association户外行业协会会员单位 Office of Indian Affairs印度事务办公室 Office of Instructional Assistance办公室的教学有所帮助 Outerworld Investigation Agency (gaming, Mortal Kombat Special Forces Organization)Outerworld调查组织(游戏、真人快打特种部队的组织) Office of International Activities (EPA)办公室的国际活动(EPA) Order of Independent Americans美国的独立 Oregonians in Action描述:在起作用 Office of Internal Audit (government)内部审计办公室(政府) Oceanic Industries Association海洋产业协会会员单位 Office of Internal Affairs办公室的内部事务 OrganizaciÓn Israelita Argentina (Peronist Jewish organization in the late 1940s and early 1950s)OrganizaciÓn Israelita Argentina (Peronist Jewish organization in the late 1940s and early 1950s) Old Indo-Aryan (linguistics)古老的印度雅利安人(语言学) Orlando International Airport奥兰多机场 Office of Imagery Analysis (CIA)办公室的图像分析(CIA)