Group of Companies/OASL
Ontario Asphalt Supply Ltd.
Premium-grade hot-mix asphalt for contractors, developers, and municipalities across the GTA — consistent material quality, flexible order volumes, and reliable delivery timelines.
Plant & Facility
Inside the OASL operation
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Why OASL
Built for buyers who can't afford surprises
Premium Grade
Consistent, municipal-grade material quality you can specify with confidence.
Reliable Delivery
Dependable timelines that keep your crews and schedule moving.
Flexible Volumes
From large-scale infrastructure to ongoing maintenance orders.
Products & Capabilities
What we supply
Hot Mix Asphalt
HL1 / HL3 / HL4 / HL8 grades for a range of applications.
Custom Mix Designs
Mixes designed and supplied per OPSS standards.
Direct Plant Pickup
Pick up direct from plant or arrange delivery.
Quality Testing
Material verification for consistent, spec-compliant supply.