| Abbreviation | Definition |
|---|---|
| ESDC | Empire State Development Corporation |
| ESDI | Engineering Synthesis Design Inc |
| ESDM | exeGesIS Spatial Data Management |
| ESE | Enterprise |
| ESENT | Esente |
| ESFY | eServices For You |
| ESGI | Environmental Services Group Inc |
| ESHA | European Small Hydropower Association |
| ESI | Edgebanding Services Inc |
| ESI | Education Success Inc |
| ESI | Electronic Strategies Inc |
| ESI | Electronic Systems Inc |
| ESI | Electronic Systems International |
| ESI | Element Solutions Inc |
| ESI | Elevate Salon Institute |
| ESI | Elite Sales, Inc. |
| ESI | Engineered Structures Inc |
| ESI | Engineering Systems Inc |
| ESI | Equity Services Inc |
| ESI | Ethanol Software Inc |