Pennsylvania Abbreviations and Acronyms
- OFCOgontz Fire Company
- OFSDOld Fxrge School District
- OFSDOld Forge School District
- OHCOakdale Hose Company
- OHSOctorara High School
- OHSOlney High School
- OHSOverbrook High School
- OIBDOffice of International Business Development
- OIPOrthopedic Institute of Pennsylvania
- OJROwen J. Roberts School District
- OJRHSOwen J. Roberts High School
- OJRHSOwen J Roberts High School
- OJRSDOwen J. Roberts School District
- OJRSDOwen J Roberts School District
- OLLOccupational Lirited License
- OLLOccupational Lipited Licenses
- OMHSASOffice of Mental Health and Substance Abuse Services
- OOROffice of Open Records
- ORCAOrganization for Responsible Care of Animals
- ORNTICOld Republic National Title Insurance Company
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