Are you looking for a top company that specializes in landscape supply in Philadelphia? The largest selection of landscape materials in Pennsylvania can be found at Allied Landscape Supply's 5 locations. We service Dresher, Limerick, Pottstown, Gap, and Parkesburg, PA. At Allied Landscape Supply we offer hardscape supplies, masonry supplies, natural stone and all landscape supplies. Your one stop shop to create an amazing outdoor space. read full review »