National Bureau of Investigation

• Accident Investigation Bureau (disambiguation)
• Bureau of Investigation and Statistics
• Cambala Investigation Agency
• Central Bureau of Investigation
• Central Bureau of Investigation and Statistics
• Central Investigation Bureau
• Criminal Investigation Agency (Indonesia)
• Criminal Investigation Department (disambiguation)
• Criminal investigation
• Federal Bureau of Investigation
• Federal Investigation Agency
• Intelligence Bureau (disambiguation)
• Investigation Agency-ICTBD
• Military Intelligence Bureau
• Ministry of Justice Investigation Bureau
• NBI (disambiguation)
• National Bureau of Investigation (Finland)
• National Bureau of Investigation (Philippines)
• National Bureau of Investigation (Sweden)
• National Bureau of Investigation (Ukraine)
• National Investigation Agency (India)
• Police Bureau of Investigation
• Rwanda Investigation Bureau
• Special Investigations Bureau (disambiguation)
• State bureau of investigation