L.b. Foster Company
A maker of engineered products for rail and infrastructure markets. The company supplies track components, friction management systems, and digital monitoring to freight and passenger railroads worldwide, plus precast concrete, steel bridges, and protective pipe coatings for North American infrastructure. It was founded in Pittsburgh in 1902 by Lee B. Foster, who started at age 20 with a loan from his father, reselling used train rail to coal mines, quarries, and logging camps.