Below you can find logos, similar to the Estonian Police Department.

Fire Department City of New York Fire Department City of New York vector
Health Department Health Department vector
U S Department of Commerce U S  Department of Commerce vector
US Department of Transportation US Department of Transportation vector
Department of the Navy Department of the Navy vector
Department of Transport and Regional Services Department of Transport and Regional Services vector
Department Of Conservation And Land Management Department Of Conservation And Land Management vector
Department of the Air Force Department of the Air Force vector
Kansas City Aviation Department Kansas City Aviation Department vector
Yaroslavl Education Department Yaroslavl Education Department vector
International Police Assosiation International Police Assosiation vector
Hyundai Department Store 223 Hyundai Department Store 223 vector
Department of Defense Department of Defense vector
Rural Metro Fire Department Rural Metro Fire Department vector
Police Nationale Francaise Police Nationale Francaise vector