STRUCTURAL STEEL FOR BUILDINGS, BRIDGES, AIRPORTS, SPORTS STADIUMS, TANKS, PLATEWORK, BULK LOADING TERMINALS AND CONVEYER SYSTEMS

RAILWAY CONSTRUCTION, MAINTENANCE AND REPAIR SERVICES

[ METAL PRODUCTS-NAMELY, ALLOY IRON CASTINGS, GRAY IRON CASTINGS, WHEELS, TUNNEL LINERS, DUCTILE IRON PIPE, GRAY IRON PIPE, PIPE COUPLINGS AND FITTINGS, SLUICE GATES, ] STEEL JOISTS, STRUCTURAL STEEL FOR BUILDINGS, BRIDGES, TANKS, TOWERS [ AND WAREHOUSES; INGOT MOLDS, MILL LINERS, MINE SKIPS AND CAGES, WATER HYDRANTS, HYDRAULIC GATES AND SHIPPING CONTAINERS ]