Organizational Process Definition
optical path difference
Operations Planning Division
Office of Program Development
Obnoxious Personality Disorder
Officer Professional Development
One Per Desk
Operand
Organization Process Definition
outpatient department
Oakdale Police Department
Oakland Police Department
Oberlin Police Department
Oberpostdirektion
obstructive pulmonary disease
Ocala Police Department
Ocean Physics Division
Oceanside Police Department
oculopharyngeal dystrophy
O'Fallon Police Department
Office for Persons with Disabilities
Office of Policy Development
Officer Personnel Directorate
Ogden Police Department
Ogdensburg Police Department
Ola Police Department
Olathe Police Department
Olney Police Department
Olpadronate
Olympia Police Department