NAND gates are not a brand but a fundamental logic gate in digital electronics, used to create NAND logic operations. They are integral components in various industries, including computing, telecommunications, and industrial automation. Companies like Texas Instruments (USA), NXP Semiconductors (Netherlands), and Toshiba (Japan) manufacture NAND gates as part of their semiconductor product lines. These gates are widely used in memory devices, microcontrollers, and other digital circuits. For specific brands or products related to NAND gates, distributors like Radwell and Grainger offer industrial-grade electronic components from multiple manufacturers.