| 1949 |
The Company began as Interprovincial Pipe Line Company. |
| 1973 |
The Company was renamed Interprovincial Pipe Line Limited, reflecting the change in August from a Special Act Company to a Letters Patent Company. |
| 1988 |
With the acquisition of Home Oil Company Limited in December, the Company was renamed Interhome Energy Inc. |
| 1991 |
Home Oil became a separate, publicly traded company in May, and Interhome was renamed Interprovincial Pipe Line Inc. |
| 1992 |
The Company became Interprovincial Pipe Line System Inc. in January |
| 1994 |
The Company became IPL Energy Inc. upon acquisition of an 85% interest in Consumers Gas. |
| 1998 |
In October, the Company was rebranded as Enbridge Inc. |
