Hi and welcome to SaleHoo, CSANTOSA :)
Sorry but currently we do not have a list of suppliers that provide data feed services and there is no way to filter them out in the directory either...
But here's a post with a few suppliers offering the service you are looking for -
Link hidden: Login to view
Also, contacting the dropshipper directly will help you determine if they offer their product directory in CSV or XML files for you to use.
We can try and help you locate dropshippers for products you are interested in to help you narrow down your search. Please let us know what products you are interested in.