Advanced Treatment Systems (ATS) July 1, 2016 3 0 Share this Contact This Business Write Your Review POST A COMMENT cancel replyWrite a Review Rate Here* Save my name, email, and website in this browser for the next time I comment. Listing Location 2999 Philadelphia Pike, Claymont, DE 19703, USA (302) 792-0700 1245 Views More from this employer See All Claymont Comprehensive Treatment Center January 2, 2019