Rang 0: New Agent Trainee

Rang 1: New Agent
1.1 Agent I
1.2 Agent II
1.3 Agent III

Rang 2: Special Agent
2.1 Special Agent I
2.2 Special Agent II
2.3 Special Agent III

Rang 3: Senior Agent
3.1 Senior Agent I
3.2 Senior Agent II
3.3 Senior Agent III

Rang 4: Supervisory Special Agent
3.1 Supervisory Special Agent I
4.2 Supervisory Special Agent II
4.3 Supervisory Special Agent III

Rang 5: Chief of Staff
5.1 Chief of Staff
5.2 Division Chief
5.3 Section Chief

Rang 6: FBI Director
6.1 Associate Deputy Director
6.2 Deputy Director
6.3 FBI Director