| Abbreviation | Definition |
|---|---|
| ESP | Expressive Software Projects Company |
| ESPC | Elm Street Production Company |
| ESPL | Equilibrium Solutions Pvt Ltd |
| ESPN | Entertainment and Sports Progressives Network |
| ESRI | Environmental Systems Research Institute |
| ESS | Electronic Still Store |
| ESS | Elevator Safety Solutions |
| ESS | Executive Search Services |
| ESS | Eye Safety Systems |
| ESSB | Excellent Strategy SDN, BHD |
| ESSCO | Electric Sweeper Service Company |
| ESSI | Earth Search Sciences, Inc. |
| ESSI | Earth Search Sciences, Incorporated |
| ESSI | Eco Science Solutions Inc |
| ESSI | Electronic Security Services Inc |
| ESSI | Elevator Safety Solutions, Inc. |
| ESSI | Elevator Safety Solutions, Incorporated |
| ESSI | Engineered Support Systems, Inc. |
| EST | Erhard Seminars Training |
| EST | Established |