If you would like to suggest a site for the directory, or offer corrections for any of the information on the site now, please let us know below, and select the proper category.
- We don’t list any products currently in crowdsourcing.
- We don’t list companies that are only resellers.
- Companies must be of sufficient stature in the market to be included, This is up to our discretion.
- Companies should be focused primarily in the 3D printing area.
- On Online Printing Service, we are primarily interested only in the top consumer upload-and-print sites, and the very major, non-regional services.