American Academy of Orthopaedic Surgeons (AAOS)
The academy is arguably the preeminent provider of musculoskeletal education to orthopaedic surgeons in the world.

AO North America (AONA)
AO North America is a nonprofit organization dedicated to the advancement of patient care in orthopaedic, craniomaxillofacial, and veterinary surgery.

Orthopaedic Research and Education Foundation (OREF)
OREF is an independent organization that raises funds to support research and education on diseases and injuries of bones, joints, nerves, and muscles.

Orthopaedic Research Society (ORS)
The purposes of the ORS is to promote, support, develop, and encourage research in orthopaedic surgery, musculoskeletal diseases, musculoskeletal injuries and disciplines related thereto.

Orthopaedic Trauma Association (OTA)
The mission of OTA is to promote excellence in care for the injured patient through the provision of scientific forums and support of musculoskeletal research and education of orthopaedic surgeons and the public.