| F2 Design (Lubbock, TX) |
| Factory Design Labs (Denver, CO) |
| *Fageta (Lausanne, Switzerland) |
| Fallon Worldwide (Worldwide) |
| Fantasy Interactive (New York, NY. Stockholm, Sweden) |
| Fingal Creative Communications (London, UK) |
| *Farrow Design (London, UK) |
| Firebelly Design Co. (Chicago, IL) |
| Firehouse (Dallas, TX) |
| Firstborn (New York, NY. Los Angeles, CA) |
| Fitch (Seattle, WA. Phoenix, AZ. San Francisco, CA. others) |
| Foundry9 (New York, NY) |
| Full Steam Marketing & Design (Salinas, CA) |
| *Funnel (Indianapolis, IN) |
| FUSE Communication (Brimingham, MI) |
| Fuse Interactive (Laguna Beach, CA) |
| Fusebox Inc (New York, NY) |
| Fuszion (Alexandria, VA) |