Distinctly Canadian Environmental and Occupational Health and Safety Consulting

Our professional staff serve a wide range of clientele including industrial, commercial, institutional (ICI), and residential.

Protect Your Home & Family

Concerned about asbestos, air quality, or mould? Our expert testing services help homeowners identify hidden hazards and create a safer living space. Get fast, reliable results with clear next steps.

Occupational Hygiene and Risk Management

Assessment & Exposure Management Regarding Safety, Ergonomics, Chemical, Physical, and Biological Agents in the Workplace.

Training Programs Covering a Wide Range of Topics

Includes Materials, Occupational & Environmental Health and Safety and Regulatory Compliance.

Hazardous Waste Management Services

Can Provide the way to accomplish Timely, Cost effective Work partnering with Accredited Contractors

Convenient Locations Across Central Canada

Cambridge  I  London  I Montreal  I  Ottawa  I  Toronto 

Our Services

T. Harris Environmental Management Inc. (THEM) is a leading Canadian environmental consulting firm in the following fields:

  • Environmental Services
  • Hazardous Materials Management
  • Occupational Health & Safety

Our professional staff serve a wide range of clientele including industrial, commercial, institutional (ICI), and residential.

We inspire and empower companies to achieve excellence in creating safe and healthy environments. We strive to create an engaged, proactive society which values and protects the health and safety of people and the environment.

Hazardous Building Materials Management

Environmental
Due Diligence & Remediation

Occupational Health & Safety

Health & Safety for Homeowners

What We Stand For

We are passionate about health & safety and committed to excellence.  Since 1979, we continue to provide high quality services. We take pride in building long-term relationships with our clients. We are dedicated to understanding your concerns and meeting your needs by delivering efficient, cost-effective solutions.

Featured News

Spring HVAC & IAQ Readiness Checklist for Facility Teams 

A seasonal HVAC changeover can lead to indoor air quality issues such as dust, airflow imbalances, and humidity concerns. This practical checklist helps property managers proactively identify and address these risks to maintain occupant comfort and building performance. 

open office space

 

 

 

 

 

 

 

 

 

 

MLITSD Compliance Blitzes 2025-2026: Key Inspection Focus Areas 

The MLITSD has released its 2025–2026 compliance initiatives, highlighting key focus areas and inspection blitzes across construction, healthcare, industrial, mining, retail, and professional services.

Protecting Industrial Workers

Ontario’s MLITSD is running a year-long blitz on material handling safety, with unannounced inspections and stricter enforcement. Read our full article to learn what inspectors are looking for and how THEM can help you stay compliant and protect your workforce.

What Our Clients Say

Our Affiliations

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.20-AM.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.54-AM.png

https://tharris.ca/wp-content/uploads/2022/05/1623349859966.jpeg

https://tharris.ca/wp-content/uploads/2025/05/IWSCC_LogoText_CLR.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.55.15-AM.png

https://tharris.ca/wp-content/uploads/2023/05/irsst.png

https://tharris.ca/wp-content/uploads/2022/08/cpa-logo.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.12-AM.png

https://tharris.ca/wp-content/uploads/2024/11/srv-oecm-01-540x600-1.jpg

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.20-AM.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.54-AM.png

https://tharris.ca/wp-content/uploads/2022/05/1623349859966.jpeg

https://tharris.ca/wp-content/uploads/2025/05/IWSCC_LogoText_CLR.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.55.15-AM.png

https://tharris.ca/wp-content/uploads/2023/05/irsst.png

https://tharris.ca/wp-content/uploads/2022/08/cpa-logo.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.12-AM.png

https://tharris.ca/wp-content/uploads/2024/11/srv-oecm-01-540x600-1.jpg

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.20-AM.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.54-AM.png

https://tharris.ca/wp-content/uploads/2022/05/1623349859966.jpeg

https://tharris.ca/wp-content/uploads/2025/05/IWSCC_LogoText_CLR.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.55.15-AM.png

https://tharris.ca/wp-content/uploads/2023/05/irsst.png

https://tharris.ca/wp-content/uploads/2022/08/cpa-logo.png

https://tharris.ca/wp-content/uploads/2022/05/Screen-Shot-2022-05-18-at-5.49.12-AM.png

https://tharris.ca/wp-content/uploads/2024/11/srv-oecm-01-540x600-1.jpg