Add a business name under your named corporation. An example would be Widgets Ontario Inc. carrying on business as ABC Holdings. NOTE: This option does not provide a corporate named company but a business name under your named corporation.
A tradename is the name a business uses to identify itself and can be different from it's legal incorporated name. For example, a business might be incorporated as 'ABC Holdings Inc.' and do business under the tradename 'DEF Consulting'.
Alternatively, if signage or promotion of the business name is required, it may be beneficial to register the same business name without the legal ending or full incorporated business name.