| Abbreviation | Definition |
|---|---|
| SMICE | Smith Investment Company |
| SMID | Smith Midland Corporation |
| SMIL | StreaMedia Communications |
| SMILW | Streamedia Communications |
| SMILW | treamedia Communications |
| SMINQ | Southern Mineral Corporation, in bankruptcy |
| SMIT | Schmitt Industries, Inc., of Oregon |
| SMIVE | Sound Money Investors, Inc. |
| SMIWC | Smith Midland Corporation |
| SMKEE | Tamboril Cigar Company |
| SMLME | Silver Mountain Lead Mines, LTD. |
| SMLX | SMLX Technologies, Inc. |
| SMMF | Summit Financial Group |
| SMMME | Stratcomm Media, LTD. |
| SMMT | Summit Design, Inc. |
| SMMX | Symyx Technologies, Inc. |
| SMNCY | Samancor, LTD. |
| SMNS | Seminis, Inc. |
| SMORE | Solomon Trading, Ltd. |
| SMPDF | Specialty Medical Products |