Black Diamond, Alberta, Canada All businesses in Black Diamond, Alberta, Canada. Popular categories in Black Diamond, Alberta, Canada: Antiques Excavating Contractors Schools Grocers Health Gift Shops Restaurants Electric Contractors Churches Hotels Business Automobile View all categories Last updates in Black Diamond, Alberta, Canada: Antiques Excavating Contractors Schools Grocers Health Gift Shops Restaurants Electric Contractors Churches Hotels Business Automobile Thomson Electric Electric Contractors in Black Diamond (Alberta) Updated: 02/23/2026 10:48 am