Leaders in Environmental and Transportation Infrastructure Services



We have been producing aggregates for over 40 years, and manage 14 pits and quarries in the Ottawa area, Brechin, and Bruce Mines. With rigorous testing and analysis, we deliver high quality products that become the critical foundation for roadway infrastructure, buildings and other structures.


Tomlinson is the largest hot-mix asphalt producer in Eastern Ontario and a leader in the region’s asphalt road construction. For nearly a half-century we have used premium aggregates from our own quarries to create superior commercial asphalt for our customers. Our portable plant enables us to provide asphalt even in remote locations.


We are a leading supplier of Concrete Ready Mix for residential, commercial, civil and agricultural construction projects. With fixed and portable plants we deliver materials throughout Ontario, and provide innovative, value-added services like specialty concrete and GPS tracking.


Ontario Trap Rock is a specialty aggregate quarry on a 1,000 acre site on the shores of Lake Huron which produces a durable rock ideally suited to the most demanding environments.

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