Williams Industries, Incorporated manufactures and sells welded steel plate girders, rolled steel beams, stay-in-place bridge decking, and light structural and other metal products in the United States. The company also offers steel, precast concrete and miscellaneous metals erection and installation services, as well as rigging and specialized hauling services. It also rents cranes. The company provides its services and products for industrial, governmental, commercial, and institutional construction markets. Williams Industries, Incorporated was founded in 1970 and is headquartered in Manassas, Virginia.