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Diemaco was a Canadian defence company based in Kitchener, Ontario, Canada, that manufactured the C7 family of rifles under a licence from Colt. It was acquired by Colt Defense on May 20, 2005, in an $18.2 million purchase from parent company Héroux-Devtek Inc, which had purchased Diemaco in 2000.[1][2]

Diemaco (1984) Inc.
Private (division of Héroux-Devtek Inc.)
SuccessorColt Canada Corporation May 24, 2005 (2005-05-24)
Founded1974 (1974)
ProductsFirearms, weapons


  1. ^ "Corporations Canada Online Filing Centre". Industry Canada. Retrieved 7 April 2011.
  2. ^ "Héroux-Devtek Completes the Sale of its Logistics & Defence Division, Diemaco" (PDF). Héroux-Devtek Inc. 20 May 2005. Retrieved 7 April 2011.