| ECCI | Economic Crime and Cybersecurity Institute 
| Others |
| ECCI | Edinburgh Centre for Carbon Innovation
| Others |
| ECCI | Education Choice and Competition Index
| Others |
| ECCI | Educator Cross Cultural Immersion
| Others |
| ECCI | Electron channeling contrast imaging
| Others |
| ECCI | Electron Chemistry and Catalysis at Interfaces
| Others |
| ECCI | Elite Custom Construction Inc
| Others |
| ECCI | Engineering and Construction Cost Index
| Others |
| ECCI | Engineering Compliance Construction Inc
| Others |
| ECCI | Escuela Colombiana de Carreras
| Others |
| ECCI | Escuela Colombiana de Carreras Industriales
| Others |
| ECCI | Esnard Computer Consultants Inc.
| Others |
| ECCI | Esperance Chamber of Commerce and Industry
| Others |
| ECCI | Estonian Chamber of Commerce and Industry
| Others |
| ECCI | European Conference On Creativity And Innovation
| Others |
| ECCI | Executive Cleaning Co Inc
| Others |
| ECCI | Executive Committee of the Communist International
| Others |
| ECCI | Extreme Competition Controls Inc
| Others |