American Association of Applied and Preventive Psychologists

(spinoff of APS for Sci-Prof types)
American Association for the Advancement of Science
Association for the Advancement of Behavior Therapy
American Academy of Clinical Neuropsychology
American Association of State Psychology Boards

American Board and Academy of Psychoanalysis  
American Board of Couple and Family Psychology
American Board of Clinical Neuropsychology
American Board of Professional Psychology
American Counseling Association
Association of Counseling Center Training Agencies
American College Personnel Association
(US) Alcohol, Drug Abuse and Mental Health Administration
Association for Doctoral Education in Clinical Neuropsychology
Association of Directors of Psychology Training Clinics
American Educational Research Association
Association for Internship Training in Clinical Neuropsychology
Association of Medical School Professors of Psychology
American Psychological Association
APA Graduate Student Association
Association of Psychologists in Academic Health Centers
American Psychological Association Practice Organization
Academy of Psychological Clinical Science
Association of Postdoctoral Programs in Clinical Neuropsychology
Association of Psychology Postdoctoral and Internship Centers
American Psychological Society
APPIC Standards and Review Committee
Association of State and Provincial Psychology Boards
Board for the Advancement of Psychology in the Public Interest (APA)
APA Board of Educational Affairs
APA Board of Professional Affairs
APA Board of Scientific Affairs
California Psychology Internship Council
Committee for the Advancement of Professional Practice
Committee on Animal Research and Ethics
Council of Clinical Health Psychology Training Programs
Consortium of Combined and Integrated Doctoral Programs in Psychology
Council of Credentialing Organizations in Professional Psychology
Canadian Council of Professional Psychology Programs
Council of Counseling Psychology Training Programs
Council of Chairs of Training Councils
Council of Directors of School Psychology Programs
Council of Executives of State and Provincial Psychological Associations
Council for Higher Education Accreditation
Clinical Neuropsychology Synarchy
APA Commission on Accreditation
Council of Graduate Departments of Psychology (Dept Chairs)
Council on Post-Secondary Accreditation now defunct - accredited accrediting bodies, like CoA
the successor to COPA (see CHEA)

Council of Representatives ​
Committee on Professional Practice and Standards
Canadian Psychological Association
Council of Program Directors in Community Research and Action
(APA) Committee on Psychological Tests and Assessment
Canadian Register of Health Service Providers in Psychology
Commission for the Recognition of Specialties and Proficiencies in
Council of University Directors of Clinical Psychology
Director of Professional Affairs 
Education Directorate

Interim Board of Educational Affairs
International Neuropsychological Society
Inter-organizational Council for Accreditation of Postdoctoral Programs in Psychology
Joint Council on Professional Education in Psychology
Midwest Neuropsychology Consortium of Postdoctoral Programs in Clinical Neuropsychology
National Academy of Neuropsychology
(US) National Academy of Sciences
National Association of Psychology
National Council of Schools of Professional Psychology
National Register of Health Service Providers in Psychology
APA Office of Program Consultation and Accreditation
(related to CoA)
PHS Office of Scientific Integrity
(US) Office of Technology Assessment
Psychology Executives Roundtable
(chairs/prexys of groups involved in training, credentialing, accreditation)
(US) Public Health Service
Student Affiliate Group of APA Division 17
Society for Behavioral Medicine
Society of Behavioral Sleep Medicine

Society of Clinical Psychology - Division 12 of APA 
Society of Counseling Psychology – Division 17 of APA 
Science Directorate
Society of Industrial and Organizational Psychology

Society for a Science of Clinical Psychology 
Section III of Division 12 (Clinical) of APA; also affiliated with APS 
Social Science Research Council
Veteran's Administration Headquarters Psychology Training Advisory Committee