There are active paralegal organizations in all of the states and in regions for many of the larger states.  Generally they are affiliated with either the National Federation of Paralegal Associations (NFPA) or the National Association of Legal Assistants (NALA).  Most provide continuing education opportunities, one of the staples for certified paralegals.

This is a partial list, but it’s a good resource if you are looking for assistance in learning about licensure…