Pipe Fittings by Jones Stephens. Details: Jones Stephens is a leader of rough plumbing products with a strong brand built on providing 30 years of innovation for professional contractors. Known for delivering high-quality, reliable products and world-class service, Jones Stephens provides the broadest selection of plumbing products from repair and installation products, to tools and leading-edge innovations. Founded in 1993 and backed by over 40 years experience in the industry, Jones Stephens Corporation has grown to a nationally recognized value-added designer, marketer, and distributor of specialty plumbing products. Jones Stephens PlumBest products are used in repair, remodel and new construction applications within both the residential and commercial markets.