| 1 | MQGB | MAR LOGISTICS LLC | | | SCAC4 |
| 2 | MQGT | MISKIE, DAN TRUCKING | | | SCAC4 |
| 3 | MQGX | Morrison-Quirk Grain Corp. | added 7/1973; 1/1975-1/1980 | | NAKINA |
| 4 | MQGX | XTRA, Inc. | eliminated 1/1988 | | NAKINA |
| 5 | MQGX | Morrison-Quirk Grain Corp. | added 7/73; 1/75-1/80 | | NRHS |
| 6 | MQGX | XTRA, Inc. | eliminated 1/88 | | NRHS |
| 7 | MQGX | *MORRISON-QUIRK GRAIN CORP. | | | PWRC |
| 8 | MQGX | *RETIRED 11-24-92 ATP (1055) [XTRA INC.] | | | PWRC |
| 9 | MQGX | Morrison-Quirk Grain Corporation | | | RSRV |
