Reviving an old thread for anyone wishing for more information about this trailer, it was first
sold by Structural Glass Limited from Winnipeg, which had been bought by the aforementioned Monarch Industries.
Info can be found here: http://www.sctfrp.com/wp-content/uploads/2017/03/SCT_e-file.pdf
Interesting to note: Ray Olecko (inventor of the boler) appears to have worked at Structural Glass LTD according to his septic tank patent filing : https://www.google.ca/patents/US3426903