| Abbreviation | Definition |
|---|---|
| LTC | Latchways |
| LTHM | Latham(james) |
| LTI | Lindsell Train |
| LTOD | Larsen&tbro.gds |
| LTS | Litho Supplies |
| LTTD | Lite-on Gdr Rgs |
| LTTG | Lite-on Gdr 144 |
| LUD | Ludorum |
| LUP | Lupus Capital |
| LVD | Lavendon Group |
| LWB | Low & Bonar |
| LWDB | Law Debentures Corporation (de-listed) |
| LWDB | Law Debentures Corporation (de-listed) |
| LWDB | Law.deb.corp |
| LWI | Lowland Inv. |
| LWT | Loudwater |
| LXB | Lxb Retail |
| LYXF | Lyxor Focus |
| LZM | Lonzim |
| MAB | Mitchells & But |