| Abbreviation | Definition |
|---|---|
| EMCG | Emcor Group, Inc. |
| EMCGW | Emcor Group, Inc. Warrants |
| EMCGZ | Emcor Group, Inc. |
| EMCI | E M C Insurance Group, Inc. |
| EMCM | E M C Corporation of Minnesota |
| EMCO | Engineering Measurement Company |
| EMDG | Empyrean Bioscience |
| EMED | Medcom U S A. Inc. |
| EMIS | Emisphere Technology, Inc. |
| EMITF | Elbit Medical Imaging, LTD. |
| EMKR | Emcore Corporation |
| EMKT | EMarketplace, Inc. |
| EMLTF | E M C O, Ltd. |
| EMLX | Emulex Corporation |
| EMMS | Emmis Communications Corporation |
| EMMSP | Emmis Communications Corporation Preferred |
| EMON | Emon Transportation Group, Inc. |
| EMONP | Emon Transportation Group, Inc. Preferred |
| EMPE | Empiric Energy, Inc. |
| EMRG | Emerge Interactive, Inc. |