| 1 | CATX | General American Marks Co. | added 1/2004; 7/2005 | | NAKINA |
| 2 | CATX | Canadian Tank Car Co. (Canadian General Transit Co., Ltd.) | 7/1932 | | NAKINA |
| 3 | CATX | *CANADIAN TANK CAR CO. (CANADIAN GENERAL TRANSIT CO., LTD.) | | | PWRC |
| 4 | CATX | +GENERAL AMERICAN MARKS CO. | | | PWRC |
| 5 | CATX | GENERAL AMERICAN MARKS COMPANY | | | SCAC4 |