| Abbreviation | Definition |
|---|---|
| LNDA | LindaTech, Inc. |
| LNDC | Landec Corporation |
| LNDL | Lindal Cedar Homes, Inc. |
| LNET | LodgeNet Entertainment Corporation |
| LNOP | Lanoptics, LTD. |
| LNROY | Lonrho, LTD. |
| LNSH | Lionshare Group, Inc. |
| LNTE | Lante Corporation |
| LNTY | 90 |
| LNTY | L90 |
| LNUX | V A Linux Systems, Inc. |
| LNXC | Lenox Bancorp, Inc. |
| LOAX | Log On America, Inc. |
| LOCH | Loch Harris, Inc. |
| LOCK | Saf T Lok, Inc. (delisted) |
| LODG | Sholodge, Inc. |
| LOFT | Photoloft.com, Inc. (delisted) |
| LOGC | Logic Devices, Inc. |
| LOGIY | Logitech International, S. A. |
| LOGN | Logansport Financial Corporation |