| 1 | YSDA | YAMASHITA-SHINNIHON LINE | | | PWRC |
| 2 | YSDF | YAMASHITA-SHINNIHON LINE | | | PWRC |
| 3 | YSDU | YASUDA LOGISTICS CORPORATION | | J | BIC |
| 4 | YSDU | YAMASHITA-SHINNIHON LINE | | | PWRC |
| 5 | YSDU | Yamashita-Shinnihon Line | | | RSRV |
| 6 | YSDU | YASUDA WAREHOUSE CO LTD, THE | | | SCAC4 |
| 7 | YSDX | The Youngstown Steel Door Co. | added 10/1976; 1/1980; eliminated 1/1983 | | NAKINA |
| 8 | YSDX | The Youngstown Steel Door Co. | 1/80; eliminated 1/83 | | NRHS |
| 9 | YSDX | YOUNGSTOWN STEEL DOOR CO. | | | PWRC |
| 10 | YSDX | Youngstown Steel Door | | | RSRV |
