The only two I can think of are Paranoid London Records and Delft, but I don't know if one can submit a demo to them.
Submitted August 06, 2017 at 05:59AM by actuallyodax https://www.reddit.com/r/edmproduction/comments/6rxf2j/are_there_any_labels_that_still_release_acid/?utm_source=ifttt