- U.S..Marine Corps Gifts - Offers watches, luggage, wood boxes and golf merchandise.
- Ultimate Gifts - Collectibles, kitchenware, baby items, sewing machine, and decor.
- Unclaimed Baggage Center - Offers a variety of items from airline passengers' unclaimed luggage.
- Under the Sun Gifts & Collectibles - Offers a variety of gifts, collectibles, household items, jewelry, and stuffed animals.
- Unique Product Marketing Group - Knife sharpeners, craft supplies, golf products, and games. Australian site delivers internationally.
- Unique-Idea.Com - Presents a range of products from storage bags to litter boxes.
- Uniquely California - Offering food, wine, lamps, lavender, gift baskets and art.
- United Specialties - Gifts and collectables.
- United States Historical Society - Offers sales of collectibles including plates, eagle statues, Renoir umbrellas, and Florence Nightingale.
- Universal Technology, Inc - Offering furniture, bedding, toys, jewelry, home decor, and computer accessories.
- UnusualThings.biz - Personal accessories, candles, games, desk items, and novelty gifts.
- Uptown Flavors - Aromatherapy, soaps, lotions, sculpted candles and holders.
- Urban Dreams - Featuring handmade furniture from recycled materials, salmon products and St. Moritz watches.
- Urban Dwellers - Provides a small selection of T-shirts, music and movies.
- Urbanfunk - Sells a variety of home accessories, gifts, jewelry, and pet items.
- urbanStyle - Retailers of clothing, home and garden goods, and pet supplies.
- UtesGifts.com - Collectibles including boyds bears, dept. 56, roman and Schurmann Cards.