Chester County Intermediate Unit EditDeleteReturn to The PSSE Membership Directory First Name Karisa Last Name Barlow Organization Name Chester County Intermediate Unit Title Program Coordinator Listing Category Other. Please specify: Address 455 Boot Road City Downingtown ZIP Code 19335 Website cciu.org STEM Ecosystems PA SEED STEM Ecosystem Contact listing ownerSend MessagePlease log in to be able to send messages to the listing owner.