1 | URDS | URS AUTO TRANSPORT DIVISION | | | SCAC4 |
2 | URDX | United States Steel Corp., Resource Development Group | added 10/1980; eliminated 4/1985 | | NAKINA |
3 | URDX | Arch of Kentucky, Inc. | added 4/1985; 1/1994; eliminated 4/1994; 7/2000-7/2005 (not listed) | | NAKINA |
4 | URDX | United States Steel Corp., Resource Development Group | added 10/80; eliminated 4/85 | | NRHS |
5 | URDX | Arch of Kentucky, Inc. | added 4/85; 1/94; eliminated 4/94; 7/2000 | | NRHS |
6 | URDX | ARCH OF KENTUCKY, INC. {UNITED STATES STEEL CORP., RESOURCE DEVELOPMENT GROUP] | | | PWRC |
7 | URDX | United States Steel | | | RSRV |
8 | URDX | ARCH OF KENTUCKY, INC. | | | SCAC4 |