| 1 | CANX | CANAC Inc. | 7/2005 (not listed) | | NAKINA |
| 2 | CANX | CANAC International, Inc. | added 1/1993; 1/1994-7/2000; eliminated 7/2004 | | NAKINA |
| 3 | CANX | Canadian National Ry. Co. | eliminated 10/1993 | | NAKINA |
| 4 | CANX | Canadian Industries Ltd., De Salaberry Works, Explosives and Ammunition Division | eliminated 4/1978 | | NAKINA |
| 5 | CANX | Canadian Industries Ltd., Explosives and Ammunition Division | added 1/1966; 10/1966-1/1975 | | NAKINA |
| 6 | CANX | John H. Grace Co. | added 10/1953; eliminated 4/1954; 7/1954 | | NAKINA |
| 7 | CANX | Canfield Tank Line Co. | 8/1920-7/1923 | | NAKINA |
| 8 | CANX | The Canfield Tank Line | 7/1930-1/1952; eliminated 10/1953 | | NAKINA |
| 9 | CANX | The Canfield Tank Line | 4/38-1/52; eliminated 10/53 | | NRHS |
| 10 | CANX | John H. Grace Co. | added 10/53; eliminated 4/54 | | NRHS |
| 11 | CANX | Canadian Industries Ltd., Explosives and Ammunition Division | added 1/66; 10/66-1/75 | | NRHS |
| 12 | CANX | Canadian Industries Ltd., De Salaberry Works, Explosives and Ammunition Division | eliminated 4/78 | | NRHS |
| 13 | CANX | Canadian National Ry. Co. | eliminated 10/93 | | NRHS |
| 14 | CANX | CANAC International, Inc. | added 1/93; 1/94-7/2000 | | NRHS |
| 15 | CANX | *CANADIAN INDUSTRIES LTD. | | | PWRC |
| 16 | CANX | *JOHN H.GRACE CO.[CANFIELD TANK LINE] | | | PWRC |
| 17 | CANX | +CANAC INTERNATIONAL INC (CANADIAN NATIONAL RWY. CO.) | | | PWRC |
| 18 | CANX | CANAC International | | | RSRV |
| 19 | CANX | CANADIAN IND LTD | | | SCAC3 |
| 20 | CANX | SAVAGE TRANSPORTATION MANAGEMENT IN | | | SCAC4 |