|Private (division of Héroux-Devtek Inc.)|
|Successor||Colt Canada Corporation May 24, 2005|
|Headquarters||Kitchener, Ontario, Canada|
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.
- "Corporations Canada Online Filing Centre". Industry Canada. Retrieved 7 April 2011.
- "Héroux-Devtek Completes the Sale of its Logistics & Defence Division, Diemaco" (PDF). Héroux-Devtek Inc. 20 May 2005. Retrieved 7 April 2011.