| Abbreviation | Definition |
|---|---|
| ESQS | Esquire Communications, LTD. |
| ESQSD | Esquire Communications, LTD. |
| ESREF | E S G Re, Ltd. |
| ESREF | ESG Re, LTD. |
| ESRX | Express Scripts, Inc. |
| ESSI | Eco Soil Systems, Inc. |
| ESST | E S S Technology, Inc. |
| ESTG | Elast Technologies, Inc. |
| ESTI | Eclipse Surgical Technology, Inc. |
| ESTM | E Stamp |
| ESWC | Echo Springs Water, Inc. |
| ESWW | Environmental Solutions WorldWide |
| ESYN | Esynch Corporation |
| ETAH | Eternity Healthcare, Inc. |
| ETCH | Elite Technologies, Inc. |
| ETCIA | Electronic TeleCommunication, Inc. Class A |
| ETCN | East County Bank of California |
| ETCO | Esco Transportation, Inc. |
| ETEC | Etec Systems, Inc. |
| ETEK | E-Tek Dynamics, Inc. |