Original oil and gas trade magazine vintage ad for DOMINION BRIDGE COMPANY.  Main office and plants were located in Montreal, Ottawa, Toronto, Winnipeg, Calgary, and Vancouver Canada. Solving Platework Problems. Pictured is this problem, presented by the Sun Oil Company, Ltd. for their Sarnia Refinery, through The Catalytic Construction Company of Canada, involved the fabrication and erection of the main vessels for the first Houdriflow Unit ever built in this country. Dominion Bridge Company, Platework Division. Unique 1955 old petroleum refining process industry equipment magazine advertisement. On the reverse side is an ad for B.F. GOODRICH COMPANY, of Cleveland, OH. Another Development Using B. F. Goodrich Chemical Raw Materials. Hycar Helps Bridge Plug Hold Its Fire. The McCullough Bridge Plug sets the stage by a controlled explosion in the hole - with Hycar acting as a monitor. Old 1955 petroleum industry drilling equipment advertisement.