| Abbreviation | Definition |
|---|---|
| LBYGF | Labyrinth Group, P. L. C. |
| LCAR | Lescarden, Inc. |
| LCAV | L C A-Vision, Inc. |
| LCBM | Lifecore Biomedical, Inc. |
| LCCI | L C C International, Inc. |
| LCCO | Lamar Capital Corporation |
| LCLDQ | LaClede Steel Company (in bankruptcy) |
| LCOR | LandaCorp, Inc. |
| LCOS | Lycos, Inc. |
| LCRY | LeCroy Corporation |
| LCSG | LCS Golf, Inc. |
| LCTO | El Sitio, Inc. |
| LCUT | Lifetime Hoan Corporation |
| LDIG | Liberty Digital, Inc. |
| LDMK | Landmark Systems Corporation |
| LDMM | Leadville Mining & Milling Corporation |
| LDNA | Lark Technologies, Inc. |
| LDSH | Ladish Company, Inc. |
| LDWIF | Laidlaw, Inc. |
| LDXPF | Lyndex Explorations, LTD. |