All logos are expected to be versatile, but this one is tested more than most. CSA is a third party non-profit organization that certifies the safety and/or quality of a wide range of goods and services. Growing out of the Canadian Standards Association, CSA Group now certifies millions of products internationally and each approved product carries this mark (or one of many industry specific variations that include this mark). That means you’ll see this logo printed on labels, embossed on glass, molded in plastic, etched into metal, stamped on wood (you get the idea) and even when it’s only a few millimeters wide, it still works.