Uniqlo's parent company is determined to become the largest apparel retailer in the world. (Zara owner Inditex currently holds that throne.) From Helmut Lang to Theory, Fast Retailing is continually gaining traction in the fashion world. Take a look--they may be responsible for more items in your closet than you realized.

Shown here: The first Uniqlo store in Hiroshima, 1984.

Uniqlo's New York City flagship in SoHo. The store opened its doors in 2006.

Fast Retailing brand G.u. encourages shoppers to "Buy with ease, wear with ease," and offers jeans for just $10.

Women's retailer Zazie is part of Fast Retailing subsidiary Cabin Co.

The French-born Comptoir des Cotonniers is marketed towards mothers and daughters.

Lingerie and swimwear brand Princesse Tam.Tam has lived under the Fast Retailing umbrella since 2005.

The company acquired Link Theory Holdings, which includes Theory and Helmut Lang, in 2003.

Women's retailer Enracine is also part of subsidiary Cabin Co.