- KLM
- Kuoni Luxury Holidays
- Kiddies Kingdom
- King Jackpot
- Kayak
- KFC
- King Of Watersports
- Krispy Kreme
- Kew Gardens
- King of Cotton
- Konfidence
- Kettlewell Colours
- Kit Stone
- Krystal Web Hosting
- Karaoke Version
- Kappa Store
- Karcher
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- Kegel8
- Kempinski Hotels
- Kickz.com
- KidRobot
- Kabam
- Kogan UK
- Kenya Airways
- Kiddicare
- Kitbag
- Kaleidoscope
- Kurt Geiger
- Karen Millen
- Kickers
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- Kinguin
- Kohl's
- Kmart
- Kontrol Freek
- KOR Water
- Kelly's Closet
- Kona Sports
- KingSize Direct
- Kitchen Collection
- KL Mountain Shop
- Katom
- Keepsake Quilting
- Keds
- KimmyShop
- Knife Country USA
- King Ice
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- Kids II
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- Komando
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- Kidorable
- Koyal Wholesale
- Kate Somerville Skincare
- Kosher.com
- Keetsa
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- Kodak
- Kendra Scott Jewelry
- Kipling
- Kiyonna
- KJ Beckett
- Kiniki
- King & McGaw
- Kaspersky Lab
- Kipling
- Kelkoo
- Karaoke Island
- Keith Prowse
- Kates Skates
- Key Industrial Supplies
- Keen
- Karamba.com
- Keller-sports.com