The communications Division is responsible for answering both emergency and non-emergency calls for service. Other responsibilities include dispatching services for Police, Fire, and Emergency Medical Units.

The Crime Scene Investigations Section is a Unit that is responsible for providing forensic assistance to the Criminal Investigations Division with the collection, processing, and preservation of collected evidence from various crime scenes within Gwinnett County. The Crime Scene Investigations Section is equipped with personnel that can respond and process crime scenes ranging from stolen vehicles to complex death scenes. Crime Scene Specialists are trained in various specializations to include latent print examination, footwear and tread pattern analysis, ballistic analysis, and marijuana examinations.

The Gwinnett County Office of Emergency Management is a civilian unit that handles a variety of tasks, including planning for emergencies and disasters, responding to incidents as a coordinating agency, directing mitigation efforts against hazards, and assisting Gwinnett County Government and its residents in recovery after an incident. The Office of Emergency Management collaborates closely with all Gwinnett County departments, private/nonprofit partners, and city municipalities to achieve these goals.

The Situational Awareness and Crime Response Center functions as a real-time crime tracking and response hub. It uses advanced tools, including Flock Safety cameras, license plate readers, and predictive analytics, to monitor active 911 calls and respond swiftly to public safety incidents.