Carrier & Sandstedt has worked with Ershigs, Belco Manufacturing and Fabricated plastics for more than 30 years. These companies offer fiberglass tanks that are the products of choice when corrosion resistance, strength, and safety are important. We offer a diverse range of products by several leaders in fiberglass reinforced plastic (FRP) tanks for our customers in the Illinois, Wisconsin, Northern Indiana, Southern Michigan areas and large national manufacturers and OEM's.