The following list the most common organized criminal groups operating in the United States.

For each group listed below, describe briefly the organization structure or lack thereof.

1. La Cosa Nostra.
2. Sicilians.
3. Outlaw Motorcycle Gangs.
4. Prison Gangs.
5. Street Gangs 6. Chinese Organized Crime.
7. Vietnamese 8. Japanese Organized Crime.
9. Cuban Organized Crime.
10. Colombian Cartels.
11. Irish Organized Crime.
12. Russian Organized Crime.
13. Canadian Organized Crime.
14. Jamaican Posse.
15. Israeli Mafia.
16. Gypsies/Travelers.
17. Haitians.
18. Nigerians.
19. Palestinians.