| McEvent | GLAST Monte Carlo Event class |
| McIntegratingHit | Stores a single McIntegratingHit. This class mirrors the TDS Event::McIntegratingHit class |
| McObjectManager | A singleton manager for handling the MC root objects |
| McParticle | GLAST Monte Carlo particle class. This class mirrors the TDS McParticle class |
| McPositionHit | |
| McTkrStrip | Represent energy deposited (or charge) per Si Strip |
| McTrajectory | GLAST Monte Carlo Particle Trajectory class |
| McTrajectoryPoint | GLAST Monte Carlo Particle Trajectory "point" class |
1.3.3