Owner | Manager | From | Until | Canada Cement Transport Ltd. - Montreal, Quebec, Canada | | 1929/08 | 1968 |
J.D. Irving Ltd. - Saint John, NB, Canada | | 1968 | 1972 |
Richelieu Dredging Corporation Inc, McNamara Corporation & J.P. Porter Company Ltd. - Canada | | 1972 | 1979/12 |
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