| Acronym | Definition |
|---|
| ESCO➣Energy Service Company |
| ESCO➣Estonian Shipping Company |
| ESCO➣Esfahan Steel Company (Iran) |
| ESCO➣Eastern Self-reliant Community Awakening Organization (Sri Lanka) |
| ESCO➣Executive Secretariat Correspondence Office (US IRS) |
| ESCO➣Electric Steel Company, Inc. |
| ESCO➣Eastern Sydney Chamber Orchestra (Australia) |