City/County 

Iowa Colony 
Brazoria County
Brazoria County ESD 3
Brazoria County Fire Fighters Association
City of Alvin
City of Manvel
City of Pearland

Police/Fire/Ems

Fire
Manvel Fire Department
Alvin Fire Department
Pearland Fire Department
Rosharon Fire Department
Fresno Fire Department

Police Departments
Brazoria County Sheriffs Office
Manvel Police Department
Alvin Police Department
Alvin ISD Police Department
Pearland Police Department
Department of Public Safety

EMS
Manvel EMS 
Angleton EMS
Alvin EMS
Pearland EMS