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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
Northern Dock Systems Inc. Mississauga ON
Northern Doors Ltd. Grande Prairie AB
ODCC Corp. ( Wayne Dalton) Mississauga ON
Overhead Door (NFLD) Ltd. Mt. Pearl NL
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
Patrick Sprack Ltd. Lively ON
Powergate Access Systems Inc. Richmond BC
Precision Door Ltd Delta BC
Queen City Overhead Door Inc Regina SK
RAB Energy Group LP o/a Bud's Ind Installations Whitehorse YT
Red Deer Overdoor Red Deer AB
Richards-Wilcox Canada Inc. Mississauga ON
Rockwood Garage Doors Rockwood ON
Ross Supply Delta BC
South Country Doors Ltd. Fort Macleod AB