Ameron International Corporation (Ameron) is a multinational manufacturer of engineered products and materials for the chemical, industrial, energy, transportation and infrastructure markets. It has three segments: the Fiberglass-Composite Pipe Group, which manufactures and markets... more

Founded in 1890, The D.S. Brown Company is a leading worldwide designer, supplier and manufacturer of engineered products for the bridge and highway industry. D.S. Brown's home office and manufacturing facilities are located in North Baltimore, Ohio. D.S. Brown is fully integrated,... more

Cast-Crete is the largest manufacturer of precast lintels and sills in the nation.