Ontario Environmental & Safety Network Ltd.

Our team of professionals is comprised of trained occupational hygienists, professional engineers, technicians, CAD specialists and administrative support staff who are dedicated to providing accurate, detailed and timely service.


  • Lisa Tappay (Email), Accounting
  • Shaun Husband (Email), Operations Manager
  • Shayne Chesney (Email), B.ScH EP, Occupational Hygienist
  • Tulio Cortes (Email), P. Eng Consultant
  • Mike Hrycusko (Email), M.Sc. CIH, Occupational Hygienist
  • Caitlin Garner (Email), Project Manager
  • Melissa Unyi, (Email) Consultant
  • Jessi Bikker (Email), Office Administrafion
  • Thomas Gabriele (Email), Consultant
  • Mike Hebbourn (Email), BSc, E.Pt., Consultant
  • Jonathan Brooks (Email), RSE, NCSO, Senior Health and Safety Consultant

Looking back at the relationship we’ve built with OESN over the past number of years, I’m pleased to pass along that the quality of service has exceeded our expectations. I would recommend OESN to anyone looking for excellent environmental consulting services at a competitive price.

Sean Hutton

Manager, Facilities Division, Town of Fort Erie

Ontario Environmental & Safety Network

Delivering excellence in Industrial Hygiene and Environmental Consulting Services