Ottawa Stone Slingers Rock Slingers Stone Slingers Rock Slingers Brisson Foundations is Eastern Ontario’s premier supplier of Stone Slinger services.No concrete cement project is too big or too small. Providing industry leading services is priority #1. Sand and Stone Slinger Service 20 Ton Load capacity Brisson Foundations: Premier Concrete Forming Contractors Ottawa & Eastern Ontario’s foremost reference for concrete in all residential, commercial, and agricultural settings since 1989. Get a quote Contact us