The Canadian Softwood Inspection Agency, Inc. (dba Macdonald Inspection Services) is an independently owned third party inspection agency. CSI is accredited by the Canadian Lumber Standards Accreditation Board (CLSAB) and the American Lumber Standards Committee Inc. (ALSC) and is a member of the National Lumber Grades Authority (NLGA). CSI actively participates in CLSAB and NLGA committees and task groups providing a direct link between our clients and the decisions that affect them and their customers.

CSI is an industry leader in wood preservation inspection, certification and training. Our highly regarded quality assurance programs ensure that our clients products meet the standards required by their customers and user groups. The CSI trademark on utility poles, piles, bridge timbers and wood foundation products provide confidence to end users that their products have passed a thorough testing program by an independent third party.

Canadian Softwood Inspection Agency and Macdonald Inspection Services have long histories of providing exceptional quality inspection and certification services to the lumber manufacturing and wood preservation industries of British Columbia, Alberta, Saskatchewan, Manitoba and Ontario. Let us work with you to ensure your products meet the high demands of your customers.