PLS manufactures tank lining resins and distributes materials, specialized application equipment and onsite training and support for tank contractors worldwide. Trust PLS to guide you into the 21st Century of Tank Lining. Poly Lining Systems, a manufacturer of resin based tank lining products for application in the petroleum, petrochemical, chemical and water industries, produces cutting edge products for use in lining below and above ground storage vessels. With a combined experience of over 200 years in the tank lining industry, the managing technical, engineering and chemical professionals at PLS provide not only one of the most proven product lines, but also applicator training and expertise as well as professional applicator equipment through its licensed applicators field training.