- Waterway Plastics is an injection-molding manufacturer that supplies products to the Pool, Spa, and Bathtub Industries. Waterway is based in Oxnard, California and has been in business since 1973. We provide a full line of products including Pumps, Filters, Skimmers, Lights, Jets, Drains, Speciality Fittings, and many more components ! ...www.waterwayplastics.com