| Center for Public Policy & Administration (University of Massachusetts Amherst) | Academic & Science |
| Constant Purchasing Power Accounting | Business |
| Central Power Purchasing Agency (Pakistan) | Business |
| Canada Pakistan Professionals Association | Business |
| Cerebral Palsy Parent Association | Community |
| Canadian Pulp and Paper Association | Community |
| Center for Public Policy Alternatives | Community |
| Conference For Progressive Political Action | Community |
| Canterbury Primary Principals' Association (New Zealand) | Community |
| Cameroon Press Photo Archive | Community |
| Canadian Positive Psychology Association | Community |
| California Potbellied Pig Association | Community |
| Center for Public Policy and Administration | General |
| Center for Public Policy Analysis | General |
| Collaboration Protocol Profile and | General |
| Center for Public Policy | General |
| Climate Prediction Program for the Americas | Governmental |
| Central Pennsylvania Paralegal Association | Governmental |
| California Public Parking Association | Governmental |
| Chesapeake Promotional Products Association | Governmental |
| California Protective Parents Association | Governmental |
| California Public Pension Advisers | Governmental |
| Colorado Police Protective Association | Governmental |
| Cleveland Police Patrolman's Association | Governmental |
| Centre Professionnel et de Pédagogie Appliquée | International |
| Certified Professional Public Adjuster | Jobs |
| Center for Pharmacy Practice Accreditation | Medical |
| Clinical Practice Performance Assessment | Medical |
| Child Pornography Prevention Act | Medical |
| Canada Pakistan Professional Association | Regional |
| Collaboration Protocol Profile and Agreement | Softwares |
| Christian Paintball Players Association | Sports |
