Here is a link to ToyArk where they have an amazing database / Checklist / Reference Guide of DragonBall Z - DBZ action figures through 2019.

Here is a link to Rockchala.

Here is a link to FigureRealm.

Here is a link to CollectorShuki.

Here is a link to S.H. Figuarts.

Here is a link to Figuritasde.