Thousands of companies  rely on CSA International for product testing for the U.S. and Canada-including American Water Heater, Apple, Bata, CFM Majestic, Delta Faucet, GE, Hewlett-Packard, Hubbell Lighting, Hobart, IBM, Intermatic, IPEX, Kaufman, Lennox Industries, Mitsubishi, Moen, North Safety, Sanyo, Whirlpool, and others. 

Major retail chains carry a multitude of products bearing the CSA marks including Best-Buy, Canadian Tire, The Home Depot, JCPenney, Lowes, RadioShack, Sears, Spiegel, Wal-Mart, and many others.