| J.H. Petit |
1941 |
Dominion Sprinkler Co. (Montreal, PQ) |
| R.W. Higginson |
1947 |
Automatic Sprinkler Co. Of Canada (Montreal) |
| H.C. Jockel |
1956 |
Grinnell Co. of Canada (Montreal) |
| O. Long |
1957 |
Grinnell Co. of Canada (Toronto) |
| J.D. Howes |
1958 |
Bennet & Wright Contracting Ltd. (Toronto) |
| J. Priest |
1958 |
Vipond Automatic Sprinkler Co. (Toronto) |
| W.A. Hewines |
1959 |
Bennet & Wright Contracting Ltd. (Toronto) |
| C Height |
1959 |
Vipond Automatic Sprinkler Co. (Toronto) |
| W.J. Clark |
1960 |
Adam Clark Limited (Hamilton, Ontario) |
| A.M. Jones |
1961 |
Grinnell Co. of Canada (Vancouver) |
| R.L. Milne |
1961 |
Automatic Sprinkler Co. Of Canada (Montreal) |
| G.Vipond |
1961 |
Vipond Automatic Sprinkler Co. (Toronto) |
