Annis O'Sullivan Vollebekk Ltd. (AOV)
"Black, Shoemaker, Robinson & Donaldson Ltd. (BSRD)"
Callon Dietz
David B Searles
exp Inc.
Holding Jones
Ivan B. Wallace (IBW) Ontario Land Surveyor Ltd. 
Land Survey Group
P.A. Miller Surveying Ltd. 
Rasch & Hyde Ltd.
Stantec Geomatics Ltd. 
Tulloch Geomatics Inc.
Van Harten Surveying Inc.
"Verhagen Stubberfield Hartley Brewer Bezaire Inc. (""Verhaegen"")"