Oakville no relation Canada
Procor is a Canadian company producing railway shipping cars. It is Canada's largest private rail car rental fleet, with more than 30,000 conventional and special-purpose tank and freight cars. 
Linked to Sparling Tank Car of Toronto, Procor was founded in 1952 as Products Tank Line Limited and became an affiliate of US-based Union Tank Car Company.  The company, which shortened its name to Procor in 1962, is headquartered in Oakville, Ontario.
no relation