Rocla Concrete Tie is a manufacturer of concrete railroad ties and related construction products. The company provides a variety of products, such as engineered materials, aggregates, contaminant-free mixes, stone products and concrete products. It specializes in railroad construction. It offers engineering and technology-based solutions in addition to site supervision, process monitoring, quality control, surface alignment, gauge holding and petrographic examination services. Its areas of operation include material procurement, custom processing, transportation, construction, drilling, cutting, laying and pressing. It undertakes commercial, industrial and municipal projects. The company provides services for the construction of railroads, commuting passages and highways. Rocla Concrete Tie has one of its manufacturing facilities located in Bear, Del.