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  • Indoor Air Quality Consultant Website
    1 613 558 4545
    38 Metropole Pvt., Ottawa, ON K1Z 1E9

    Tedd Nathanson, P. Eng., has been an indoor air quality consultant since 1985, serving government agencies, schools, hospitals, and commercial clients across Canada and internationally. He developed IAQ assessment protocols used in the Canada Labour Code and authored technical guides on indoor air …

  • Orion Canada Inc. Website
    613.563.9000
    136-2446 Bank Street, Ottawa, ON K1V 1A8

    Founded in 1994, Orion Canada Inc. is a consulting firm headquartered in Ottawa, Ontario, offering specialized services in quality management system consulting, audits, and training to mission-critical organizations across North America. The company focuses on helping clients achieve operational ex…