- F1 Marketing Group, Inc.
- Faith Wear
- FansEdge.com
- Fantasy Jewelry Box
- Fashion Bug
- Fashion To Figure Stores
- Fashionoverdose
- FastFloors
- Fastrack Direct
- Fenton Art Glass
- Figis, Inc.
- figleaves.com
- FilePlanet (IGN Entertainment)
- Film Annex
- Film Movement, LLC
- Find Bliss
- Fine Wedding Speeches
- FineStationery.com
- Fingerhut Direct Marketing, Inc
- firstSTREET
- FiXFiTNESS.COM
- Flags! Georgia
- Fleurop.com
- Flirty Lingerie
- Flora2000.com
- Florida Ticket Station
- florsheim.com (Weyco Group, Inc.)
- Flower.com Flowers
- FlowerStore.com
- FogDog Sports
- FonMonkey
- FoodSaver.com
- Footexpress
- Footlocker.com
- Fordogtrainers.com
- Forepoint, inc.
- Forzieri.com / Firenze Seta srl
- Fossil Farms
- FragranceNet.com
- FragranceX.com
- Franchise-Insider
- Frank Bee Enterprises Inc
- Franklin Mint
- Frederick's of Hollywood, Inc
- Free B-to-B Magazines
- FreeCallPlanet.com
- Freecollegescholarships.net (Vinyl Interactive LLC)
- Frenchtoast.com
- Freshpair.com
- Fridge Filters
- From You Flowers. LLC
- FSA Imports, Inc.
- FSBO.com
- Fujitsu Computer Systems Corporation
- Fuller Brush Company
- Fun and Easy Crafts Company
- Funny T-Shirts, Inc.
- Furniture.com Inc.
Shopping
- F1 Marketing Group, Inc.
- Faith Wear
- FansEdge.com
- Fantasy Jewelry Box
- Fashion Bug
- Fashion To Figure Stores
- Fashionoverdose
- FastFloors
- Fastrack Direct
- Fenton Art Glass
- Figis, Inc.
- figleaves.com
- FilePlanet (IGN Entertainment)
- Film Annex
- Film Movement, LLC
- Find Bliss
- Fine Wedding Speeches
- FineStationery.com
- Fingerhut Direct Marketing, Inc
- firstSTREET
- FiXFiTNESS.COM
- Flags! Georgia
- Fleurop.com
- Flirty Lingerie
- Flora2000.com
- Florida Ticket Station
- florsheim.com (Weyco Group, Inc.)
- Flower.com Flowers
- FlowerStore.com
- FogDog Sports
- FonMonkey
- FoodSaver.com
- Footexpress
- Footlocker.com
- Fordogtrainers.com
- Forepoint, inc.
- Forzieri.com / Firenze Seta srl
- Fossil Farms
- FragranceNet.com
- FragranceX.com
- Franchise-Insider
- Frank Bee Enterprises Inc
- Franklin Mint
- Frederick's of Hollywood, Inc
- Free B-to-B Magazines
- FreeCallPlanet.com
- Freecollegescholarships.net (Vinyl Interactive LLC)
- Frenchtoast.com
- Freshpair.com
- Fridge Filters
- From You Flowers. LLC
- FSA Imports, Inc.
- FSBO.com
- Fujitsu Computer Systems Corporation
- Fuller Brush Company
- Fun and Easy Crafts Company
- Funny T-Shirts, Inc.
- Furniture.com Inc.