The American Board for Certification in Orthotics, Prosthetics and Pedorthics Inc. (ABC) has been the leading credentialing body for the orthotic, prosthetic and pedorthic professions since 1948. We are known across the nation and worldwide for our unparalleled facility accreditation program, uncompromising professionalism and superior credentialing programs for orthotists, prosthetists, pedorthists, assistants, fitters and technicians.