u. s. steel tubular products holdings, llc u. s. steel seamless tubular operations, llc u. s. steel tubular products, inc. u. s. steel tubular products middle east dmcc u.s. steel oilwell services, llc
0001163302_u. s. steel tubular products holdings, llc u. s. steel seamless tubular operations, llc u. s. steel tubular products, inc. u. s. steel tubular products middle east dmcc u.s. steel oilwell services, llc_