Quiksilver, Inc. (NYSE: ZQK), based in Huntington Beach, California, is one of the world's largest manufacturers of surfwear and other boardsport-related equipment. Its logo, designed by the company founder Alan Green in Torquay, Victoria, Australia in the early 1970s, inspired by Hokusai's woodcut The Great Wave off Kanagawa consists of a large wave with a mountain on a red background.

The company also produces a line of apparel for young women, under the brand Roxy. Its logo consists of two copies of the Quiksilver logo, one reflected, forming a heart.

The company's DC and Hawk brands are also synonymous with the heritage and culture of surfing, skateboarding and snowboarding, and its beach- and water-oriented swimwear brands include Raisins, Radio Fiji and Leilani. Quiksilver also carries a line of high-end apparel and accessories under its QuiksilverEdition brand.

In 2005, the company launched The Quiksilver Foundation, a charitable foundation which works to provide environmental, educational, health and youth-related projects to boardriding communities around the world. (source Wikipedia)