Atomic Toy Mills
   Hand assembled yo-yos.
   http://www.atomictoymills.com/

Infinite Illusions
   Specializing in yo-yos and accessories. Also offering apparel, books and DVD, and juggling.
   http://www.yoyoguy.com/

Premium Hardwood Yo-yos
   Offering wooden yo-yos in multiple shapes and with fixed or trans axles.
   http://home.flash.net/~tleo/

Spintastics Skill Toys, Inc.
   Sells the Technic, Tornado, Tigershark, Torch and other brands.
   http://www.spintastics.com/

TheYoStore.com
   Name brands and the latest models.
   http://theyostore.com

YO-topia Toys
   Lunastix, beamO, yoyos, hyromids, tops, and jump ropes.
   http://www.yotopia.com

Yo Yo Universe
   By Mackinaw Kite Company. Sales and contests.
   http://yoyouniverse.com/

Yo-Yo Jam
   Sells ball bearing, polycarbonate, and aluminum yo-yos.
   http://www.yoyojam.com/

Yo-Yo Store
   Large collection of yo-yos, books and accessories.
   http://www.yoyostore.com/

Yoyoplay.com
   Yoyos from Spintastics, Team Losi, Yomega, Yoyojam and others.
   http://yoyoplay.com/