We're experienced in organic testing

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We're experienced in inorganic testing

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We're experienced in microbiological testing

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We're experienced in toxicology testing

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Welcome to Testmark!

Founded in 1998, we are a 100% Canadian-owned, privately-held company providing accredited and licensed analytical testing services from four convenient locations across Ontario – Garson (within the City of Greater Sudbury), Timmins, Mississauga and Kirkland Lake.

We provide our clients with easy access to routine or specialized laboratory testing services in the areas of organic, inorganic, microbiological, toxicological and industrial analyses. Our team is comprised of dedicated Ph.D.-, M.Sc.-, B.Sc.- and C.E.T. – level chemists and biologists who can tackle all your analytical challenges.


Industries we serve:

Mining services

Testmark has been servicing the mining industry since our inception in 1998. Our scope of services includes acute lethality testing, wastewater and effluent analysis, drinking water testing, soil and sediment quality analysis and testing required for site-specific environmental programs.

Our capabilities suit a wide range of mining applications, from baseline monitoring programs, to metals-uptake studies involving vegetation, fish or mammals, to dispersion modelling, to bench-level experiments that test operational processes or just simply testing in compliance with industry regulations.

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Municipal services

Our testing capabilities support all municipal testing requirements, including water, wastewater, landfill monitoring and drinking water sampling programs. All our labs are licensed under the Ministry of the Environment, as well as accredited to ISO 17025, to provide drinking water analysis. Emergency 24/7 response is a critical part of our offering to municipal clients to ensure that our lab is there when emergencies such as main breaks occur. Our internal database can simplify data

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Environmental services

Testmark offers full-service testing capabilities for all your environmental projects. Whether it is work being conducted for a Phase II Environmental Site Assessment, emergency cleanup, site remediation, decommissioning, landfill monitoring, reclamation or disposal of hazardous material, we are here to help. Our lab offers comprehensive testing of water, soil, sediment, groundwater and waste (TCLP protocols).

Having a toxicology lab under the same roof as our environmental lab means we can immediately respond to an adverse acute lethality result and drill down to determine what the contaminant is.

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All the industries we serve...

7 Margaret Street
Garson, ON P3L 1E1
T 705 693 1121
F 705 693 1124

6820 Kitimat Road, Unit #4
Mississauga, ON L5N 5M3
T 905 821 1112
F 905 821 2095

100 Wilson Ave., Suite 102
Timmins, ON P4N 2S9
T 705 531 1121
F 705 531 1125

Kirkland Lake
1470 Government Road West
P.O. Box 426
Kirkland Lake, ON P2N 3J1
T 705 642 3361
F 705 642 3222