OHE is a multidisciplinary firm that specializes in providing high quality services in the field of environmental, health and safety and building science consulting. We are a Canadian company with our head office located in Mississauga, Ontario, and a network of satellite offices in British Columbia, Alberta, Quebec, Nova Scotia and Peterborough (Ontario).

Our mission is to provide professional, cost-effective and timely environmental, occupational hygiene and building science consulting services and solutions to our clients with a high level of attention to the quality and value of our products and services.

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