= enrolled in pays-2-share
- K. Jordan
- Kabiri.co.uk
- KaBloom
- Kalahari.net
- Kaleidoscope.co.uk
- Kall8.com
- Kalyx
- Kaneesha
- Kansas City Steak Company
- Kaplan Test Prep
- Kaplan.com
- Karatedepot.com
- Karenmillen.com
- Karenneuburger.com
- Karmaloop
- Kaspersky Lab
- Kaspersky.co.uk
- Katespade.com
- Kathyirelandair.com
- Kayak.com
- Kazootoys.com
- Keen.com
- Keenzo.com
- Keetsa Mattresses
- Kegerator.com
- KegWorks.com
- Kenmarwatches.com
- Kennethcole.com
- Kenwood.com
- Kerusso.com
- Kettlebellkettlebells.com
- Keurig.com
- Keycompete.com
- Kfc.com
- Kiddicare.com
- Kidrobot.com
- Kidsbedsinc.com
- Kidsflysafe.com
- Kidsfurnituremart.com
- Kidsrugshop.com
- Kidssoftwareoutlet.com
- Kidstuffinabox.com
- Kidsurplus.com
- Kiehls.com
- Killerdana.com
- Kimberly-clark.com
- Kimmyshop.com
- Kinesysstore.com
- King Size Direct
- King.com
- Kingarthurflour.com
- Kingston Connection
- Kingston.com
- Kipling.com
- Kirklands.com
- Kitchenaid.com
- Kitchenclocks.com
- Kitchencollection.com
- Kitchendirect.com
- Kitchenislandinc.com
- Kitchensource.com
- Kitchenu.com
- Kiyonna
- Klmountainshop.com
- Kmart
- Knetgolf.com
- Knewton Test Prep
- Knex.com
- Knife-depot.com
- Knifecenter.com
- Knightsinn.com
- Knockemdead.com
- Kodak Easyshare Gallery
- Kodak.com
- Kodakgallery.co.uk
- Kohl's
- Komogvind.dk
- Koodos.com
- Koolaburra.com
- Kordial.com
- Kosher.com
- Kotulas.com
- Kraftfoods.com
- Kragen.com
- Krausebooks.com
- Kuati.com
- Kusho.com
