TESTMARK Laboratories Ltd. is a proven leader in the provision of licensed and accredited environmental lab testing. We provide routine and customized analyses in the areas of inorganic, organic, microbiological and toxicological testing. We believe in the value of local infrastructure and are proud to offer laboratory services at the following locations across Ontario: Garson/Sudbury, Timmins, Kirkland Lake, Thunder Bay, Mississauga and in Thompson, Manitoba. TESTMARK provides comprehensive analysis of drinking water, groundwater, waste water, air, soils and sediment, biota and liquid industrial waste.
Looking for a particular Testmark Laboratories Ltd. employee's phone or email?
The Testmark Laboratories Ltd. annual revenue was $5.7 million in 2026.
Sylvia Rennie is the Vice President and Director of Marketing and Business Development of Testmark Laboratories Ltd..
65 people are employed at Testmark Laboratories Ltd..
Testmark Laboratories Ltd. is based in Garson, Ontario.
The NAICS codes for Testmark Laboratories Ltd. are [5413, 54, 54138, 541].
The SIC codes for Testmark Laboratories Ltd. are [873, 87].