Echelon Special Event Security Services 3 years ago ID: #293586 Listed In : Legal Services 1617 John F Kennedy Blvd #1575, Philadelphia, PA 19103 (610) 831-0277 https://www.epsagents.com/private-investigator-philadelphia-pa/ Business Description The residents started occupying the Delaware River port, and they sold their lots. So, Penn decided to leave Philadelphia and move to another city. Before he left, he issued a charter to declare Philadelphia as a city. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : investigator