| | Aerospace | Sims with projects related to the aerospace industry |
| | Artistic | Sims about art. |
| | Business | Business |
| | CoreRG | Core ReactionGrid Region |
| | Education | Education |
| | Elven | Elf Clan |
| | Entertainment | Audio & Video Events |
| | Green Living | Projects about saving the Earth. |
| | Health Care | Simulators for the health care industry |
| | Historical Recreation | Reviving the past in 3D. |
| | HyperGrid | HyperGrid Landing Point |
| | Inworld Tool Creator | A user who creates tools for users to create or collaborate |
| | IT Pros | Anyone in networking, applications or hardware. |
| | Misc | Misc |
| | Non-Profit | Not for profit groups |
| | Personal | Personal |
| | Public Works | Sims relating to governmental public works program |
| | Publications | Online & Real World publications. |
| | Science | Science projects. |
| | Software Developers | Anyone creating software |
| | Telemetry | Sims that reach out and touch real world machinery |
| | Tradeshow | Expo and Tradeshow simulator. |
| | Waterway Sims | Sail through our grid using these public waterways |