| Acronym | Definition |
|---|
| CEII➣Critical Energy Infrastructure Information |
| CEII➣Cambridge Examinations and IELTS (International English Language Testing System) International |
| CEII➣Creative Enterprises International, Inc. (various locations) |
| CEII➣Community Enterprise Investments, Inc. (est. 1974; Pensacola, FL) |
| CEII➣Community Environmental Improvement Initiative (Trinidad & Tobago programme) |