Jo-Co Pools is your premier family-owned and operated pool company serving Carbondale, Marion, Harrisburg, Chester, DuQuoin, Cape Girardeau, Scott City, Jackson, and the surrounding areas since 1989. Whether you’re looking to incorporate an in-ground vinyl liner or an above-ground pool, are in need of dependable pool service and maintenance, or want quality pool and spa chemicals and accessories, you can count on us.