A wide variety of industries use portable spill containment berms made from technologically advanced geomembranes manufactured by Sigma Industries. These reusable units are made in various designs and depending on the particular geomembrane used, can contain a variety of liquids, including petroleum and solvents. SIGMA geomembrane and Specialty Products such as Polyurethanes are used for this purpose. For the names of companies manufacturing these spill berms, contact Sigma Industries.