Ohio is home to one of the main professional institutes:
Various schools around the country:
https://www.awci.com/rec-schools-2/
NAIOSWM WOSTEP program, Dallas
Central Ohio
Existing American Companies
Other
During the quartz crisis in Switzerland, Swatch bought Eta, who made 90% of the movements at the time. Swatch made movements nearly impossible to obtain for mechanical watches. Tag Haur and Breitling stood up to Swatch and bought movements from a new company, Saleta, who copied the movement from the old Eta.