Diamond Aircraft Industries Inc., an ISO9002 registered company, is the largest general aviation manufacturer of single engine aircraft in Canada and the third largest in North America.

Incorporated on January 12, 1992, the Canadian manufacturing facility operates in concert with its European counterpart, Diamond Aircraft Industries GmbH (formerly HOAC) located in Wiener Neustadt, Austria.

Diamond Aircraft is an international company with offices in major centres across North America and in Europe, Japan, England, Austria, South Africa, and South America.