D'Arcy McConvey Sr.
J.F. Shutt
C.M. McGoun
L. Dowhiggin
J. Clinton
G. Albright
J.C. Honey
A.C. Briggs
G.E.F. Hardy
N. Dixon
W.B. Green
R.C. Prud'Homme
W.A. Drysdale
M.D. Dawes
A.G. Milne
J.C. Groulx
B.D. McGoun
W.A. Snyder
C.G. Frechette
W.J. McAleer
D'Arcy McConvey Jr.
T.W. White
D. Rich
Millar Elliot
J.S. Burke
K. Murdock
J. Pearson
S. Freeman
P. Charbonneau
Ian Gibson
Robert Jackson
Mario Pearson
Trevor Holmes
Nelson Fortin
Robert Stevens

1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968-69
1970-71
1972-73
1974-75
1976-77
1978 & 1984
1979
1980
1981
1982-83
1985-86
1987-89
1990-91
1992-93
1994-95
1996-97
1998-99
2000-01
2002-03
2004-06
2007-08
2009-2012

Dalex Company Limited
Pioneer Chemicals Limited
McGoun Chemicals Ltd
National Laundry & Cleaners Equipment
Dalex Company Limited
Ametek (Canada) Ltd
Canadian-John Manville Co. Ltd
Ametek (Canada) Ltd
Constitution Insurance Co.
Ludor Inc.
McKague Chemicals Ltd
National Silicates Ltd
Candian Industries Ltd
Proctor & Gamble Co. of Canada Ltd
Alex Milne Associates
Groulx-Robertson Ltes/Ltd
McGoun Chemicals Ltd
Dow Chemical of Canada Ltd
R.R. Street & Co. Inc
Trillium Insurance Services Ltd
Dalex Company Lt
Diversey-Wyandotte Inc
Regal Sales Co.
Groulx-Robertson Ltes/Ltd
G.A. Hardie & Co. Ltd
Johnson and Higgins
Caled Signal Products Ltd
Diversey Inc
Dupuis, Parizeau, Tremblay Inc
Ontario Laundry Systems
Harco Co. Ltd
Caled Signal Products Ltd
Seitz Inc
Harco Quebec Inc
Harco Co. Ltd