State agencies

• Connecticut Airport Police
• Connecticut Capitol Police
  Connecticut Capitol Police
  The Connecticut State Capitol Police is the law enforcement agency responsible for the Connecticut State Capitol complex in Hartford.-History:In 1974, the Connecticut State Legislature created the Office of the State Capitol Police...
  
  
• Connecticut Department of Correction
  Connecticut Department of Correction
  The Connecticut Department of Correction is the agency responsible for corrections in the U.S. state of Connecticut. The agency operates 18 correctional institutions. It has its headquarters in Wethersfield.-History:...
  
  
• Connecticut Department of Environmental Protection Police
• Connecticut Department of Mental Health and Addiction Services Police
• Connecticut Department of Public Works Police
• Connecticut Judicial Marshal
  Connecticut Judicial Marshal
  The Connecticut Judicial Marshals are Court Officers in the state of Connecticut. The Judicial Marshals are sworn peace officers but are not Connecticut POST Certified Police Officers...
  
  
• Connecticut Office of Adult Probation
• Connecticut State Marshal
  Connecticut State Marshal
  The Connecticut State Marshals are duly sworn peace Officers in the state of Connecticutin accordance with C.G.S. 53a-3Connecticut State Marshals are not Connecticut state employees...
  
  
  • Fairfield County Sheriff's Department
    Fairfield County CT Sheriff Department
    The Fairfield County Sheriffs Department was a law enforcement agency in Fairfield County, Connecticut in place until the year 2000 when a majority vote eliminated the position of High Sheriff in Connecticut counties after the topic being brought up by Connecticut...
    
    
  • Hartford County Sheriff's Department
  • Litchfield County Sheriff's Department
  • Middlesex County Sheriff's Department
  • New Haven County Sheriff's Department
  • New London County Sheriff's Department
  • Tolland County Sheriff's Department
  • Windham County Sheriff's Department
• Connecticut State Police
  Connecticut State Police
  The Connecticut State Police is a division of the Connecticut Department of Public Safety responsible for traffic regulation and law enforcement across the state of Connecticut, especially in areas not served by local police departments. The CSP currently has approximately 1,248 troopers, and is...
  
  
• Connecticut Water Authority Police

City agencies

• Ansonia Police Department
• Avon Police Department
• Berlin Police Department
• Bethel Police Department
• Bloomfield Police Department
• Branford Police Department
• Bridgeport Police Department
• Bridgeport Park Police Department
• Bristol Police Department
• Brookfield Police Department
• Canton Police Department
• Cheshire Police Department
• Clinton Police Department
• Coventry Police Department
• Cromwell Police Department
• Danbury Police Department
• Darien Police Department
• Derby Police Department
• East Hampton Police Department
• East Hartford Police Department
• East Haven Police Department
• East Lyme Police Department
• East Windsor Police Department
• Easton Police Department
• Enfield Police Department
• Fairfield Police Department
• Farmington Police Department
• Glastonbury Police Department
• Granby Police Department
• Greenwich Police Department
• Groton City Police Department
• Groton Town Police Department

• Groton Long Point Police Department
• Guilford Police Department
• Hamden Police Department
• Hartford Police Department
• Madison Department of Police Services
• Manchester Police Department
• Mansfield Police Department
• Meriden Police Department
• Middlebury Police Department
• Middletown Police Department
• Milford Police Department
• Monroe Police Department
• Montville Police Department
• Naugatuck Police Department
• New Britain Police Department
• New Canaan Police Department
• New Haven Police Department
• New London Police Department
• New Milford Police Department
• Newington Police Department
• Newtown Police Department
• North Branford Police Department
• North Haven Police Department
• Norwalk Police Department
• Norwich Police Department
• Old Saybrook Police Department
• Orange Police Department
• Plainfield Police Department
• Plainville Police Department
• Putnam Police Department
• Ridgefield Police Department
• Rocky Hill Police Department

• Seymour Police Department
• Shelton Police Department
• Simsbury Police Department
• South Windsor Police Department
• Southbury Police Department
• Southington Police Department
• Stamford Police Department
• Stonington Police Department
• Stratford Police Department
• Suffield Police Department
• Thomaston Police Department
• Torrington Police Department
• Trumbull Police Department
• Vernon Police Department
• Wallingford Police Department
• Waterbury Police Department
• Waterford Police Department
• Watertown Police Department
• West Hartford Police Department
• West Haven Police Department
• Weston Police Department
• Westport Police Department
• Wethersfield Police Department
• Willimantic Police Department
• Wilton Police Department
• Winchester Police Department
• Windsor Police Department
• Windsor Locks Police Department
• Wolcott Police Department
• Woodbridge Police Department

College and University agencies

• Central Connecticut State University Police Department
• Eastern Connecticut State University Police Department
• Southern Connecticut State University Police Department
• University of Connecticut Police Department

• University of New Haven Police Department
  University of New Haven Police
  The University of New Haven Police is the university police department of the University of New Haven, which has an campus in West Haven, Connecticut. Its 15 officers are state certified and sworn law enforcement officers, protecting the campus area 24 hours a day, 7 days a week...
  
  
• Western Connecticut State University Police Department
• Yale - New Haven Police (Yale University)

Security police agencies

• Metropolitan Transportation Authority Police (Commuter Rail)
• Submarine Base New London Police Department (US SUBASE)
• Metropolitan District Commission Police (Water Company)