| 1 | TMRX | Peter Kiewitt Sons' Co. | 1/1980; eliminated 7/1981 | | NAKINA |
| 2 | TMRX | Tierra Madre Consultants, Inc. | 7/2005 (not listed) | | NAKINA |
| 3 | TMRX | Peter Kiewitt Sons' Co. | 1/80; eliminated 7/81 | | NRHS |
| 4 | TMRX | *PETER KIEWITT SONS' CO. | | | PWRC |
| 5 | TMRX | *TACOMA RAIL | | | PWRC |
| 6 | TMRX | +TIERRA MADRE CONSULTANTS, INC. | | | PWRC |
| 7 | TMRX | TIERRA MADRE CONSULTANTS INC | | | SCAC4 |