| | | | | |
| Significant subsidiary | Incorporated under the laws of |
| 1409361 B.C. Ltd. (formerly known as "6061338 Canada Inc.") | British Columbia |
| 3939804 Canada Inc. | Canada |
| Canadian Pacific Railway Company | Canada |
| Caymex Transportation, Inc. | Delaware |
| CPFL S.à.r.l. | Luxembourg |
| CPFS AG | Switzerland |
| CPKCM Holdings, S. de R.L. de C.V. | Mexico |
| CP (US) Holding Corporation | Delaware |
| Cygnus Canadian Holding Company Limited | Canada |
| Cygnus Holding Corp. | Delaware |
| Kansas City Southern | Delaware |
| Kansas City Southern de Mexico, S.A. de C.V. | Mexico |
| Kansas City Southern International Ventures, S. de R.L. de C.V. | Mexico |
| KSU Holdings LLC | Delaware |
| NAFTA Rail, S. de R.L. de C.V. | Mexico |
| North American Freight Transportation Rail Corporation, S. de R.L. de C.V. | Mexico |
| Soo Line Corporation | Minnesota |
| Soo Line Railroad Company | Minnesota |
| The Kansas City Southern Railway Company | Missouri |