MARKHAM, Ontario--(BUSINESS WIRE)--#CANSEC--Canada's leading defence and military magazine, CANADIAN DEFENCE REVIEW, has released its annual survey and ranking of defence companies in Canada. Lockheed Martin Canada, a key supplier to the Canadian Armed Forces, has been ranked # 1 in CDR's survey of Canada's Top Defence Companies for 2018. This marks the fourteenth year for CDR's survey. In announcing this year's rankings, Editor-in-Chief, Peter Kitchen, commented, "With the selection of Lockheed Martin