The ones I am aware of and from what I could find on EP-
Kieren Dervin drafted by Vancouver 3rd Round, #65 overall. From Gloucester, Ontario. Played one year at Pens Elite at 15U after playing AAA in Ontario, then moved on to Saint Andrews College (Prep School) in Ontario where he played U18 AAA and was drafted into the OHL (Kingston).
Charlie Trethewey drafted by Pittsburgh 3rd Round, #73 overall. Originally from Maryland and seems to play early youth hockey there, he played at least two years with the Pens Elite at 13 and 14 before moving on to Little Caesars AAA at 15 and then the US National Development Team
L.J. Mooney drafted by Montreal 4th Round #113 overall. From West Mifflin, seems to have grown up playing for Pens Elite for most of his youth hockey career, switched over to the US National Development Team at 17.
Brandon Gorzynski drafted by Dallas 4th Round #126 overall. Originally from Scottsdale AZ, seems to have played his early youth hockey there for the Jr Coyotes. Played Pens Elite 2 seasons at 15 and 16 before being drafted into the WHL (Calgary).
Jacob Cloutier drafted by Winnipeg 7th Round, #220 overall. Originally from Gloucester, Ontario. Played one year at Pens Elite at 15U after playing AAA in Ontario, then moved on to Greater Ontario Junior Hockey League and was drafted into the OHL (Saginaw).