1 | YSTX | The Youngstown Sheet & Tube Co. | 8/1920-4/1970; eliminated 7/1972; 1/1975-1/1980 | | NAKINA |
2 | YSTX | The Youngstown Sheet & Tube Co. | 4/38-1/80 | | NRHS |
3 | YSTX | RETIRED 02-19-91 FET (ACI 1677) [YOUNGSTOWN SHEET & TUBE CO.] | | | PWRC |
4 | YSTX | Youngstown Sheet and Tube | | | RSRV |