NAWCC
Founded in 1943, the National Association of Watch & Clock Collectors, Inc., is a nonprofit educational association. The NAWCC School of Horology, organized in 1995, is a leader in watch and clock repair education in all facets of timekeeping and consists of 19,000 members worldwide.
AWCI
Organized in 1960 as the American Watchmakers Institute, the organization has two key certification programs, Certified Watchmaker 21™ and Certified Master Watchmaker 21™. Both programs are a culmination of the efforts of many dedicated horologists who realize the need for a standard in certification which addresses the technological changes in today's industry.