• American Society of Clinical Pathologists

• American Society of Cytopathology scientific society for the practice and study of medical cytology.

• Association of Clinical Pathologist aims to improve the conditions of pathology practice and the status of clinical pathologists in the U.K.

• College of American Pathologists serving over 15,000 physician members and the laboratory community worldwide.

• International Society of Bone and Soft Tissue Pathology membership is open to pathologists, other physicians, clinical scientists, and pathologists-in-training who share the Society's concerns and objectives.

• Nassau County Society of Pathologists works to promote excellence in patient care and teaching though eduactional programs for pathologists practicing in Nassau County.

• Pathological Society of Great Britain and Ireland

• Royal College of Pathologists of Australasia

• Society for Pediatric Pathology mission is to foster research, education, and practice.