Monarch Butterfly
Superstar
There was an Ontario company that made TBMs until recently.
Both TBMs ready to go in Germany
'Caterpillar acquired the facility in 2008 when it bought Lovat Inc. and got into the tunnelling business, but now says the plant is no longer a "strategic growth opportunity" and will be shut down.
The closure comes after some 500 employees were let go when a London, Ont., locomotive plant owned by a Caterpillar subsidiary was shut last year after a month-long lockout over a wage dispute with workers.
A company executive said the Toronto tunnelling business is no longer a good fit for Caterpillar.'
See from 2013 https://www.cbc.ca/news/canada/toronto/caterpillar-closing-toronto-plant-330-workers-to-lose-jobs-1.1395290