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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
Overhead Door Co of Grande-Prairie (1979) Ltd Grande Prairie AB
Overhead Door Co of Sudbury Sudbury ON
Overhead Door Company of Edmonton Edmonton AB
Overhead Door Company of Lethbridge Lethbridge AB
Overhead Door Company of Peterborough Peterborough ON
Overhead Door of Vancouver Coquitlam BC
Peninsula Overhead Doors Allenford ON
Perfection Overhead Doors Ltd. Spruce Grove AB
Powergate Access Systems Inc. Richmond BC
Precision Door Ltd Delta BC
Provincial Doors Inc. Sudbury ON
Queen City Overhead Door Inc Regina SK
Randa Co. for Doors Waterloo ON
Red Deer Overdoor Red Deer AB
Richards-Wilcox Canada Inc. Mississauga ON
Rockwood Garage Doors Rockwood ON
Rocky Overdoor Rocky Mountain House AB
Ross Supply Delta BC
Sam's Garage Doors Ltd. Port Coquitlam BC
Seaway Doors Ltd. Prescott ON