L.B. Foster Co. engages in the manufacture, fabrication, and distribution of products and services for the transportation and energy infrastructure. It operates through the following segments: Rail Products and Services; Construction Products; and Tubular and Energy Services. The Rail Products and Services segment comprises of manufacturing and distribution businesses that provide a variety of products and services for freight and passenger railroads and industrial companies. The Construction Products segment offers piling, fabricated bridge, and precast concrete products. The Tubular and Energy Services segment includes products and services predominantly for the mid and upstream oil and gas markets. The company was founded by Lee B. Foster in 1902 and is headquartered in Pittsburgh, PA.