| Abbreviation | Definition |
|---|---|
| LSI | Lubrication Specialties Inc |
| LSIC | Lake Shirley Improvement Corporation |
| LSID | Lake Stevens Instrument Division, VXI Technology, Inc. |
| LSID | Lake Stevens Instrument Division, VXI Technology, Incorporated |
| LSJ | Lohf, Shaiman, Jacobs, & Hyman, P. C. |
| LSLWI | LSL World Initiative |
| LSM | Lee Street Management |
| LSP | LaBranche Structured Products, L.L.C. |
| LSP | Logistics Service Provider |
| LSP | Lou Scheimer Productions |
| LSPI | Life Science Products Inc |
| LSPI | Lightning Strike Products Inc |
| LSPI | Lubrizol Specialty Products Inc |
| LSPL | Logictech Solutions Pvt Ltd |
| LSR | Lindsey Star Roman |
| LSRL | Lawrence Semiconductor Research Laboratory, Inc. |
| LSS | Local Scrapbooking Store |
| LSSC | Linton Stockton School Corporation |
| LSSG | Little Skookum Shellfish Growers |
| LSW | Lenox Softworks |