Hailstorm Entertainment  
   Developers of games for the next generation of mobile and networked devices.
   http://www.hailstorm.co.uk

Hexacto Games Inc.  
   Contains news, support, and product information.
   http://www.hexacto.com/

HI2  
   Contains information about their developing online gaming technology.
   http://www.hi2.com/

Heuristic Park, Inc.  
   Game development and graphic production studios
   http://www.heuristicpark.com/

Hamumu Software  
   Developer of action and arcade style games for the Windows platform. Site offers commercial, shareware, and free games.
   http://www.hamumu.com

Hollis Research  
   Hollis Research designs state-of-the-art videogames, invents and patents original hardware and software technology and provides innovative design expertise to major corporate clients.
   http://www.hollis.co.uk/

THQ Online  
   Developer and publisher of a variety of video games including Summoner 2, Scooby-Doo! and Britney's Dance Beat.
   http://www.heavy-iron.com/

Haleph Software  
   Develops PC games such as Hostage and Terrorist and Impact Disaster. Offers downloads, screenshots, and contact information.
   http://www.haleph.com/home/

Housemarque  
   Developers of Super Stardust, Elfmania, Alien Incident, and The Reap.
   http://www.housemarque.com/