Welcome to Testmark Laboratories! 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. Whether it is routine work or more specialized testing, our service delivery is geared towards making your life easier. We pride ourselves on being innovative, experienced and affordable.

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