The American Society of Hand Therapists (ASHT) is a professional organization comprising licensed occupational and physical therapists who specialize in the treatment and rehabilitation of the upper extremity.

The Hand Therapy Certification Commission, Inc., (HTCC) incorporated in 1989, is a not-for-profit agency that provides a voluntary credentialing program to certify occupational therapists and physical therapists in the advanced clinical specialty of rehabilitation of the upper limb.

The mission of the Hand Therapy Association of California is charitable, educational and scientific. It includes but is not limited to the promotion of education, research, and advancement of science in the field of hand therapy. The California Chapter intends to fulfill its mission through communication, education, research and the establishment of clinical standards.

The American Hand Therapy Foundation (AHTF) is a not-for-profit 501(c)(3) organization that promotes education and funds research to provide evidence for the treatment and prevention of diseases and injuries of the upper extremity and hand.

The mission of the Hand Therapy Society of Greater Orange County is to elevate the practice of hand therapy by supporting clinical professionals through education and information sharing with the goal of clinical excellence in the field.

The Hand Therapy Society of Greater Los Angeles (HTSGLA) is a 501(c)3 Non-Profit Corporation. We serve as an education and networking organization to promote the professional viability and skills of hand therapists in the delivery of quality services to the community.