There are two areas where the work will always happen because of one factor (aging). As things age they need to be replaced. As people age they need different types of accommodation.
Here is a list of the top 40 Canadian contractors. If you are in supply chain, then I would recommend that you take a look at opportunities with these companies. I can assure you that you will have a long and productive career.
If you can’t work for them directly then find out who are their customers and try to work for them.