H. Machacon Engineering Services is an engineering firm engaged in the business of providing professional engineering services in the Province of Ontario. It was established in 2015 as a general partnership between Harland E. Machacon, a licensed professional engineer in Ontario and Raylinda A, Machacon.

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Harland brings with him a total of 42 years of engineering experience. Harland worked for General Motors of Canada Ltd. for a number of years. He has also been a professor teaching engineering in a university where he was concurrently the chair of the mechanical engineering department. He was formerly the engineering manager of Eveready Battery Company (Energizer Inc.) where he worked for twenty years.

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He was also into mechanical engineering contracting and has been into private practice for several years now.