Professional School Photographers Association职业学校摄影师协会会员 Passive Solar Products Association被动太阳能产品协会 Prevention System for Platform Accidents事故预防系统平台 Private School Principals Academy私立学校的校长 Pennsylvania School Press Association宾西法尼亚大学出版社协会 Physician Services Practice Analysis医生服务实践分析 Peace Support Psychological Activities支持和平的心理活动 Past Service Pension Adjusted过往服务养老金调整 Pennsylvania Society of Public Accountants宾夕法尼亚州的会计师协会 Pacific Seafood Processors Association太平洋海鲜处理器协会 Philippine Society for Public Administration菲律宾社会公共管理 Professional Ski Patrol Association专业滑雪巡逻的协会 Parents of Students of Phillips Academy菲利普斯学院的学生家长 Puget Sound Physicians Association看声音医师协会 Piramatiko Scholio Panepistimioy Athinon (Experimental School of the University of Athens; Greece)Piramatiko Scholio Athinon(实验学校Panepistimioy雅典大学的希腊