If you are looking for a particular size square or rectangular open top tank U.S. Plastic Corp.® is your source. With a wide array of off the shelf sizes to choose from, if you don’t see the size you are looking for it can most likely be fabricated for you. Tanks are available in fiberglass, PVC, polyethylene and polypropylene and common uses are as plating, etching, soaking, rinse, and dip tanks.