| Abbreviation | Definition |
|---|---|
| LBID | Linked Birth Infant Death |
| LBY | Libbey, Inc. |
| LC | Liberty Corporation of South Carolina |
| LCP | Loews Cineplex Entertainment Corporation |
| LCX | L-3 Communications |
| LD | Louis Dreyfus National Gas Corporation |
| LDF | Latin American Discovery Fund, Inc. |
| LDG | Longs Drug Stores Corporation |
| LDL | Lydall, Inc. |
| LDP | London Pacific Group, LTD. |
| LDW | Laidlaw, Inc. (delisted on NYSE, now LDWIF on OTC) |
| LE | Lands End, Inc. (now de-listed, acquired by Sears) |
| LEA | Lear Corporation |
| LEE | Lee Enterprises, Inc. |
| LEG | Leggett & Platt, Inc. |
| LEH | Lehman Brothers Holdings, Inc. |
| LEHPC | Lehman Brothers Holdings, Inc. Preferred C |
| LEHPD | Lehman Brothers Holdings, Inc. Preferred D |
| LEHPI | Lehman Brothers Holdings Capital Trust I |
| LEHPJ | Lehman Brothers Holdings Capital Trust II |