- American Police Beat Online
- American Federation of Police and Concerned Citizens
- Anne Arundel County FOP Lodge #70
- Baltimore City FOP Lodge #3
- Baltimore Maryland Police History
- Baltimore Maryland Retired Police
- Behind The Badge
- Blue Knights International
- Blue Knights COPSRUN
- Brotherhood Of The Badge
- Coplink.Com
- Cops On Top
- FOP Grand Lodge
- International Association of Chiefs of Police
- International Brotherhood of Police Officers
- International Police Assoc-United States Section
- International Union of Police Associations
- Lawmen.org
- Looseleaf Law Publications
- Loveacop
- Maryland COPS
- Marylandcops
- Maryland State FOP
- National Association of Police Organizations
- National Concerns of Police Survivors (COPS)
- National Law Enforcement Officers Memorial
- National P.O.L.I.C.E. Suicide Foundation
- Officer Down Memorial Page
- Officer Down Memorial
- Police Emerald Society of Baltimore
- Policefamilies.Com
- PoliceLink.com
- PoliceOne.Com
- Survivors of Law Enforcement Suicide (S.O.L.E.S.)