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

 

 

 

 

 

 

 

 

 

 

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.

How to Prepare for a Surprise MLITSD Inspection

Allergy season can pose serious risks to respiratory-compromised patients in healthcare settings. Our latest guide outlines five essential steps facility managers can take to reduce indoor allergens and improve air quality—from HVAC maintenance to humidity control and staff training.

person testing a loading dock for air quality

THEM Joins IWSCC as a Certified Disability-Owned Business

T. Harris Environmental Management Inc. has been officially certified as a disability-owned business by the IWSCC, reinforcing its commitment to inclusion, safety, and environmental responsibility. With over 45 years of experience, the company brings a unique perspective to environmental consulting and supports clients’ supplier diversity goals.

How High Temperatures Affect Productivity and Worker Health

Discover how rising temperatures impact worker health and productivity, and what proactive steps employers can take to prevent heat stress in high-risk environments. This article also explores Ontario’s proposed Bill 222 and how businesses can stay ahead of potential new heat safety regulations.

What Our Clients Say

Our Affiliations

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