This industry comprises government establishments primarily engaged in criminal and civil law enforcement, police, traffic safety, and other activities related to the enforcement of the law and preservation of order. Combined police and fire departments are included in this industry. Cross-References. ? Government establishments primarily engaged in prosecution are classified in Industry 922130, Legal Counsel and Prosecution; ? Government establishments primarily engaged in collection of law enforcement statistics are classified in Industry 922190, Other Justice, Public Order, and Safety Activities; ? Government establishments primarily engaged in providing police service for the military or National Guard are classified in Industry 928110, National Security; ? Government establishments primarily engaged in providing police service for tribal governments are classified in Industry 921150, American Indian and Alaska Native Tribal Governments; ? Government establishments primarily engaged in enforcing immigration laws are classified in Industry 928120, International Affairs; ? Sheriffs' offices conducting court functions only are classified in Industry 922110, Courts; and ? Private establishments primarily engaged in providing security and investigation services are classified in Industry 56161, Investigation, Guard, and Armored Car Services.