Private company

Diemaco

Defunct Canadian defence company

Diemaco was a Canadian defence company based in Kitchener, Ontario, that manufactured the C7 family of rifles under a licence from Colt.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1974Founded1
  • Industryweapons industry1
  • HeadquartersKitchener1

Diemaco was a Canadian defence company based in Kitchener, Ontario, that manufactured the C7 family of rifles under a licence from Colt.2

The story

The company was formed in 1974 under Devtek Corporation, effectively replacing the arms supply from government owned Canadian Arsenal Limited.

In 2000, it was acquired by Héroux-Devtek Inc.

On May 20, 2005, it was acquired by Colt Defense for $18.2 million. As a result, Héroux-Devtek revamped the Aerospace and Defense division to the Aerospace division.

Colt Canada relaunched the brand in 2014.

From Wikipedia’s article on Diemaco, shared under CC BY-SA 4.0.3

Products and brands

  • firearm
  • weapon

Listed on Wikidata.1

Timeline

  1. May 24, 2005Dissolved Dissolved1
  2. 1974Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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