| CEIP | California Emerging Infections Program 
| Others |
| CEIP | Career Exploration Internship Program
| Others |
| CEIP | Carnegie Endowment for International Peace
| Others |
| CEIP | Centre on Emission Inventories and Projections
| Others |
| CEIP | Certified Employment Interview Professional
| Others |
| CEIP | Clean Energy Incentive Program
| Others |
| CEIP | Clinical Enterprise Intelligence Program
| Others |
| CEIP | Coastal Embankment Improvement Project
| Others |
| CEIP | Commonwealth Environmental Investment Platform
| Others |
| CEIP | Cooperative Education and Internship Program
| Others |
| CEIP | Culinary Enrichment and Innovation Program
| Others |
| CEIP | Customer Experience Improvement Program
| Others |