Integrated Program Office 
Initial Public Offering 
International Project Office 
International Program Office 
International Programs Office 
IGES/PDES Organization 
Initial Public Offer 
Input-Process-Output 
Intellectual Property Office 
International Procurement Office 
International Progress Organization 
Industrial Property Officer 
Initial public offering. 
Institutional Program Office 
Institutional Property Officer 
Internet Parts Ordering 
IFES PDES Organization 
Illinois Periodicals Online 
Independent Provider Organization 
Indigenous Peoples' Organisations 
Indirect Program Office 
Indoctrination Petty Officer 
Industrial Partnership Office 
Industrial Preparedness Operations 
Initial Program Offering 
Initial Public Offerings 
Input, Processing and Output 
INSTALLATION PRODUCTIVITY OPTION 
Integration Project Office 
Interim Protection Order