Sandisk Secure Digital

Sandisk Secure Digital
What makes a good company Secure Digital Card?

All I know SanDisk and Kingston. What company does best Secure Digital Card?

San Disk must be by Matsushita Corporation of Japan. The SD memory card was designed by the consortium of Matsushita Electric (Panasonic), SanDisk and Toshiba
Sandisk SDHC 4GB and Walgreens 2GB SD Card Review