| Acronym | Definition |
|---|
| ECCI | Executive Committee of the Communist International (governing body of the Communist International 1919-1943) |
| ECCI | European Conference on Creativity and Innovation (Europe) |
| ECCI | European Car Company Impex (Belgium) |
| ECCI | Études Conceptions Constructions Industrielles (French: Industrial Construction Design Study) |
| ECCI | Engineering Compliance & Construction Inc (Little Rock, AR) |
| ECCI | Extreme Competition Controls Inc |
| ECCI | Education Communications Consortia Inc. |
| ECCI | English China Clay International |
| ECCI | Eastern Canada Cat Institute |
| ECCI | Environnement de Conception Cognitive en Informatique (French: Environmental Design in Cognitive Computing) |