Founded 1973, Trench Shoring Company provides trench plates, shoring equipment and services to the construction industry. Located in Corona, Calif., the company offers products and services for small utility trench to a 10-mile sewer line. Its Flex-Shield trench boxes, Z-Shore and a variety of other shoring materials and supplies are also available for rental. Additionally, Trench Shoring Company offers aluminum hydraulic shores, mechanical screw jacks, slide rail systems, trench/manhole boxes and flo-line, to name a few.