L.B. Foster Co is a US-based firm engaged in the manufacturing, fabrication, and distribution of products and services, especially for the rail, construction, energy, and utility industry. The company operates its business through three segments: Rail Technologies and Services; Precast Concrete Products and Steel Products and Measurement. Its principal business activity involves providing new and used rail, trackwork, and accessories, producing concrete railroad ties, insulated rail joints, power rail, track fasteners, coverboards, and sales of sells and rents steel sheet piling, H-bearing pile, and other piling products for foundation and earth retention requirements. It generates the majority of its revenues from the Rail Products and Services segment.