- Accutest Laboratories Ltd.
 - Laboratory analysis in support of site assessments, remediation, water quality, and more. - Enviro-Vac Systems
- Providing abatement and remediation services for asbestos, PCB, lead, special wastes, contaminated soil.
- Envirotest Inc.
- Environmental and occupational hygiene services.
- Gartner Lee Limited
- Providing planning, waste management, environmental site assessment and remediation services.
- Hardy Stevenson & Associates
- Specialises in social impact assessment (SIA), public consultation and facilitation, policy and environmental planning and community impact management.
- Servco Environment Inc.
- Consulting, site remediation, hazardous waste disposal, oil and chemical spill and oiled bird response.
- Young Environmental Systems
- Produces and distributes a variety of Data Loggers designed to specifically monitor and store Data relevant to certain environmental conditions.
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