Resources
These associations or schools provide continuing education and training nationwide.

InterNachi (International Association of Certified Home Inspectors)

ASHI ( American Society of Home Inspectors)
https://www.homeinspector.org/
https://www.ashiedge.com/diweb/catalog Click here for the searchable course index.
These websites covers continuing education and training resources for multiple trades.
https://www.contractorsinstitute.com/
https://www.petersonschool.com/courses/classes/category/continuing-education