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CDI is dedicated to professionalism through its one of a kind Certification Program and the support it provides garage door technicians across Canada.

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Company City Province
Johnston Equipment Co. Ltd. Mississauga ON
JR Overhead Doors (2006) Ltd. Telkwa BC
KBI Door Services Ltd. Dartmouth NS
Lakeview Door Service Vernon BC
Leduc Overhead Door Inc. Leduc AB
Legacy Garage Doors Ltd. Kelowna BC
Leland Industries Inc. Toronto ON
Lenworth Building Services Mississauga ON
Lethbridge Door Systems Inc. Lethbridge AB
LiftMaster Mississauga ON
Lux Overhead Door Saskatoon SK
Manaras Pointe Claire QC
Mar-Lin Dock & Door Leamington ON
Micanan Systems Inc. Dorval QC
Miller Edge Inc West Grove PA
Nex Industrial Supplies Inc. Etobicoke ON
Northern Dock Systems Inc. Mississauga ON
Northern Doors Ltd. Grand Prairie AB
Northwest Door Canada Ltd. Surrey BC
ODCC Corp. Mississauga ON