| Entry name | Institution Type |
|---|
| AFR Engine | Company |
| AN2V | NGO |
| Adrian Police Department | Law Enforcement |
| Adrian Township Police Department | Law Enforcement |
| Agent Video Intelligence | Company |
| Alachua County Sheriff's Office | Law Enforcement |
| Albion Department Of Public Safety | Law Enforcement |
| Albuquerque Police Department | Law Enforcement |
| Alcona County Sheriff's Office | Law Enforcement |
| Alger County Sheriff's Office | Law Enforcement |
| AllGoVision Technologies | Company |
| Allegan City Police Department | Law Enforcement |
| Allegan County Sheriff's Office | Law Enforcement |
| Allegan Police Department | Law Enforcement |
| Allegheny County District Attorney’s Office | Law Enforcement |
| Allen Park Police Department | Law Enforcement |
| Alma Police Department | Law Enforcement |
| Almont Police Department | Law Enforcement |
| Alpena County Prosecuting Attorney's Office | Law Enforcement |
| Alpena County Sheriff's Office | Law Enforcement |
| Alpena Police Department | Law Enforcement |
| Altamonte Springs Police Department | Law Enforcement |
| AmberBox | Company |
| Anaheim Police Department | Law Enforcement |
| Ann Arbor Police Department | Law Enforcement |
| Anne Arundel County Sheriff's Office | Law Enforcement |
| Antioch Police Department | Law Enforcement |
| Antrim County Sheriff's Office | Law Enforcement |
| AnyVision | Company |
| Apopka Police Department | Law Enforcement |
| Argentine Federal Police | Government |
| Argentine Ministry of Security | Government |
| Argentine Township Police Department | Law Enforcement |
| Arlington WA Police Department | Law Enforcement |
| Armada Police Department | Law Enforcement |
| Asbury Park Police Department | Law Enforcement |
| Asura Technology | Company |
| Atlanta Police Department | Law Enforcement |
| Atlantic Beach Police Department | Law Enforcement |
| Atlantis Police Department | Law Enforcement |
| Atlas Security (SA) | Company |
| Auburn Hills Police Department | Law Enforcement |
| Auburndale Police Department | Law Enforcement |
| Auror | Company |
| Austin Police Department | Law Enforcement |
| Australian Defence Force | Military |
| Austrian Criminal Intelligence Service | Law Enforcement |
| Aventura Police Department | Law Enforcement |
| Avigilon | Company |
| Axis Communications | Company |