Thornhill, British Columbia, Canada All businesses in Thornhill, British Columbia, Canada. Popular categories in Thornhill, British Columbia, Canada: Foresters Churches Tree Service Computers Plumbing Welding Machine Shops Storage Drywall Excavating Contractors Beauty Salons Schools View all categories Last updates in Thornhill, British Columbia, Canada: Foresters Churches Tree Service Computers Plumbing Welding Machine Shops Storage Drywall Excavating Contractors Beauty Salons Schools Western Seaboard Transport Inc Business in Thornhill (British Columbia) Updated: 03/22/2026 8:54 pm