Following is the list of possible part categories:
| Category | Notes |
|---|---|
| None | |
| Production | |
| Control | |
| Structural | |
| Aero | |
| Utility | |
| Science | |
| Pods | |
| FuelTank | |
| Engine | |
| Communication | |
| Electrical | |
| Ground | |
| Thermal | |
| Payload | |
| Coupling | |
| ColonyEssentials | |
| Favorites | |
| SubAssemblies | |
| Amenities | |
| Storage |