| Ham in the Fridge (Minneapolis, MN) |
| Hammerpress (Kansas City, MO) |
| Hartung Kemp (Minneapolis, MN) |
| Head (London, UK) |
| *Heads Inc ( ? ) |
| Headcase Design (Philadelphia, PA) |
| The Heads of State (Philadelphia, PA) |
| Heavenspot (Hollywood, CA) |
| Hello Design (Los Angeles, CA) |
| Hero Design Studio (Buffalo, NY) |
| Heroes & Villains (Omaha, NE) (website ?) |
| Holler (London, UK) |
| Hornall Anderson Design Works (Seattle, WA) |
| House Industries (Yorklyn, DE) |
| Howry Design Associates (San Francisco, CA) |
| HUGE (Los Angeles, CA) |
| The Hunter Group (San Francisco, CA) |
| *Hush (Brooklyn, NY) |
| Hybrid Design (San Francisco, CA) |
| hyperQUAKE (Cincinnati, OH) |