We're in the same boat: one invoice owed to us approaching 6-months old. A note on Stephane Savard's character: two DUI convictions, the first offence resulted in a fatality (see https://goo.gl/eGijtz). Should not be allowed anywhere near the trucking industry.
Write a bad review on their facebook page. There is another unpaid invoice complaint from March of this year in their review section. Response says they are still in business. Call 8am - 5pm. 519-800-0479 ext 7012