| 1 | GOHC | GTS OILFIELD HAULING | | | SCAC4 |
| 2 | GOHN | GOHNER TRUCKING | | | SCAC4 |
| 3 | GOHS | GORDON TRUCKING INC (GP HALSEY SHUT | | | SCAC4 |
| 4 | GOHT | GARTHWAITE OIL HEAT SERVICE | | | SCAC4 |
| 5 | GOHX | General American Marks Co. | added 1/1998; 7/2000-7/2005 | | NAKINA |
| 6 | GOHX | General American Transportation Corp. | added 7/1972; 1/1975-1/1994; eliminated 1/1998 | | NAKINA |
| 7 | GOHX | General American Transportation Corp. | 1/75-1/94; eliminated 1/98 | | NRHS |
| 8 | GOHX | General American Marks Co. | added 1/98; 7/2000 | | NRHS |
| 9 | GOHX | GENERAL AMERICAN MARKS CO. {GENERAL AMERICAN TRANSPORTATION CORP.] | | | PWRC |
| 10 | GOHX | General American Marks (GATX Corporation) | | | RSRV |
