| CSPI | Canadian Scholars' Press Inc 
| Others |
| CSPI | Center for Science in the Public Interest
| Others |
| CSPI | Center for Social Policy Initiatives
| Others |
| CSPI | Center for the Study of Political Islam
| Others |
| CSPI | Centre for Science in the Public Interest
| Others |
| CSPI | Certified Specialist in Poison Information
| Others |
| CSPI | Certified Specialists in Poison Information
| Others |
| CSPI | Charter School Policy Institute
| Others |
| CSPI | Coastal Systems Portfolio Initiative
| Others |
| CSPI | Colorado Society of Private Investigators
| Others |
| CSPI | ConocoPhillips Specialty Products, Inc.
| Others |
| CSPI | Consiglio Superiore della Pubblica Istruzione
| Others |
| CSPI | Convention Sales Professionals International
| Others |
| CSPI | Corporate Service Price Index
| Others |
| CSPI | Corrugated Steel Pipe Institute
| Others |
| CSPI | Critical Systems Protection Initiative
| Others |
| CSPI | Cross Sector Partnership Initiative
| Others |
| CSPI | Cyber Security Performance Index
| Others |