Investigation and Security Services

The Investigation and Security Services industry, classified under NAICS code 5616, primarily involves establishments engaged in providing security services, such as guard and patrol services, and investigative services. These establishments offer services including private detective work, security guard services, armored car services, and security systems services. The defining characteristic of this industry is the provision of protective and investigative services, distinguishing it from related industries that focus on manufacturing security equipment or providing security consulting services without direct protective or investigative activities.