Association of Canada Lands Surveyors - www.acls-aatc.ca

Association of Ontario Land Surveyors – www.aols.org

Canadian Institute of Geomatics - www.cig-acsg.ca/page.asp

Ontario Association of Certified Engineering Technicians & Technologists (OACETT) - www.oacett.org

NA Engineering Associates Inc -  www.naeng.com