| Abbreviation | Definition |
|---|---|
| LAN | Lockwood, Andrews, & Newnam, Inc. |
| LAN | Los Altos Networks, Inc. |
| LANS | Los Alamos National Security, LLC |
| LANSRO | List of Academic and Not-for-Profit Survey Research Organizations |
| LAPL | Library Association Publishing, LTD. |
| LAPS | Laboratory And Agricultural Product Specialists |
| LARE | Lee & Associates Rescue Equipment, Inc. |
| LARE | Lee & Associates Rescue Equipment, Incorporated |
| LAS | Living Assistance Services |
| LASAA | Lagos State Signage Advertisement Agency |
| LASAA | Lagos State Signage & Advertisement Agency |
| LASAR | Lake Aero Styling And Repair |
| LASCA | Laboratory for Advanced Scientific Computing and Applications |
| LASH | Lipsticks And Style Heaven |
| LATA | Los Alamos Technical Associates, Inc. |
| LATC | Los Angeles Trading Company |
| LATI | Landhi Association of Trade & Industry |
| LAWC | Lincoln Avenue Water Company |
| LB | Lam And Bacchus |
| LB | Lehman Brothers |